BKB: High Grade Silver and Gold Continues at Shafter
Original announcement by asx on
- Company
- Black Bear Minerals Limited
- Ticker
- BKB
- Exchange
- ASX
- Region
- Texas
- Primary commodity
- Silver
- Secondary commodities
- Gold, Lead, Zinc
- Document categories
- Drill results, Resource update
- Extracted
- 2026-10-14 22:30:07 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Black Bear Minerals Limited announced that re-analysis of historical drill core at its Shafter Silver Project in Texas continues to show significant uplift in silver grades and has confirmed high-grade gold mineralization. The re-assays, which include intercepts up to 2,992 g/t Ag and 4.1 g/t Au, are being incorporated into a planned maiden JORC Mineral Resource Estimate for Q4 2026. This work aims to validate and upgrade the existing foreign mineral resource, adding previously unconsidered gold potential.
Reasoning: The re-analysis of historical drill core at Shafter has significantly increased silver grades and identified previously unquantified high-grade gold mineralization, enhancing the project's multi-commodity potential. This work, conducted with modern QA/QC, is a crucial step towards a maiden JORC-compliant resource estimate, de-risking the project and adding value.
Positive factors
- significant_grade_uplift_in_silver
- identification_of_high_grade_gold_mineralisation
- rigorous_qaqc_protocols_for_reanalysis
- true_width_disclosed_for_key_intercepts
- progress_towards_maiden_jorc_resource
Negative factors
- reanalysis_of_historical_data_limits_novelty
- historical_resource_estimate_is_not_jorc_compliant
- cut_off_grades_for_historical_results_not_explicitly_stated
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 92
Extracted facts
Stored fact records: 92. Some facts used in scoring do not have a stored record.
Drill Results (92)
201200106Shafter · silverGrade: 542Grade Unit: g/tIntercept: 14.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 542
- Grade Unit
- g/t
- Intercept
- 14.6 m
- True Width
- 7 m
- From
- 64.6 m
- To
- 79.2 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 64.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:64.6-79.2
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay shows a significant increase in silver grade and contained metal compared to the historical result, with a high grade over a substantial width, and true width estimated.
Positive factors
- bonanza_intercept
- true_width_disclosed
- significant_grade_uplift_vs_historical
Evidence · text
“201200106: 14.6m @ 542g/t Ag from 64.6m, incl. 6.7m @ 1,038g/t Ag (re-assay)”
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 7
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · silverGrade: 1038Grade Unit: g/tIntercept: 6.7 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 1038
- Grade Unit
- g/t
- Intercept
- 6.7 m
- From
- 65.8 m
- To
- 72.5 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 64.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:65.8-72.5
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This high-grade sub-interval significantly contributes to the overall positive re-assay result, showing a substantial increase in silver grade.
Positive factors
- bonanza_intercept
- significant_grade_uplift_vs_historical
Evidence · text
“incl. 6.7m @ 1,038g/t Ag (re-assay)”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · silverGrade: 2992Grade Unit: g/tIntercept: 0.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 2992
- Grade Unit
- g/t
- Intercept
- 0.6 m
- From
- 66.5 m
- To
- 67.1 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 64.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:66.5-67.1
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is an exceptionally high-grade silver intercept, indicating bonanza grades within the mineralized envelope.
Positive factors
- bonanza_intercept
- exceptional_grade
Evidence · text
“Peak silver assays for this round of results include 0.6m @ 2,992g/t Ag from underground drillhole 201200106”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · silverGrade: 471Grade Unit: g/tIntercept: 14.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 471
- Grade Unit
- g/t
- Intercept
- 14.6 m
- From
- 64.6 m
- To
- 79.2 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 64.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:64.6-79.2
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Union Assay Office (UAO)
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical intercept, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · text
“14.6m @ 471g/t Ag, incl. 6.7m @ 932g/t Ag (original)”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · silverGrade: 932Grade Unit: g/tIntercept: 6.7 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 932
- Grade Unit
- g/t
- Intercept
- 6.7 m
- From
- 65.8 m
- To
- 72.5 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 64.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:65.8-72.5
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Union Assay Office (UAO)
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical sub-interval, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · text
“incl. 6.7m @ 932g/t Ag (original)”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · silverGrade: 1615Grade Unit: g/tIntercept: 0.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 1615
- Grade Unit
- g/t
- Intercept
- 0.6 m
- From
- 66.5 m
- To
- 67.1 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 64.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:66.5-67.1
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Union Assay Office (UAO)
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical sub-interval, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · table
“1,615”
Context: 0.6
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
S-12-406Shafter · silverGrade: 377Grade Unit: g/tIntercept: 7.9 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- S-12-406
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 377
- Grade Unit
- g/t
- Intercept
- 7.9 m
- From
- 141.4 m
- To
- 149.4 m
- Hole Depth
- 151.2 m
- Intercept Depth
- 141.4 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- S-12-406:141.4-149.4
- Mining Method
- mixed
Location
- Easting
- 565115
- Northing
- 3298290
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1300 m
- Azimuth
- 317 °
- Dip
- -71 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay shows a substantial increase in silver grade and contained metal compared to the historical result, with a high grade over a good width, and true width estimated.
Positive factors
- bonanza_intercept
- true_width_disclosed
- significant_grade_uplift_vs_historical
Evidence · text
“S-12-406: 7.9m @ 377g/t Ag from 141.4m, incl. 1.5m @ 867g/t Ag (re-assay)”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
S-12-406Shafter · silverGrade: 867Grade Unit: g/tIntercept: 1.5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- S-12-406
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 867
- Grade Unit
- g/t
- Intercept
- 1.5 m
- From
- 146.6 m
- To
- 148.1 m
- Hole Depth
- 151.2 m
- Intercept Depth
- 141.4 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- S-12-406:146.6-148.1
- Mining Method
- mixed
Location
- Easting
- 565115
- Northing
- 3298290
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1300 m
- Azimuth
- 317 °
- Dip
- -71 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This high-grade sub-interval significantly contributes to the overall positive re-assay result, showing a substantial increase in silver grade.
Positive factors
- bonanza_intercept
- significant_grade_uplift_vs_historical
Evidence · text
“incl. 1.5m @ 867g/t Ag (re-assay)”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
S-12-406Shafter · silverGrade: 250Grade Unit: g/tIntercept: 7.9 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- S-12-406
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 250
- Grade Unit
- g/t
- Intercept
- 7.9 m
- From
- 141.4 m
- To
- 149.4 m
- Hole Depth
- 151.2 m
- Intercept Depth
- 141.4 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- S-12-406:141.4-149.4
- Mining Method
- mixed
Location
- Easting
- 565115
- Northing
- 3298290
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1300 m
- Azimuth
- 317 °
- Dip
- -71 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Pinnacle Analytical Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical intercept, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · text
“7.9m @ 250g/t Ag, incl. 1.5m @ 407g/t Ag (original)”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
S-12-406Shafter · silverGrade: 407Grade Unit: g/tIntercept: 1.5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- S-12-406
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 407
- Grade Unit
- g/t
- Intercept
- 1.5 m
- From
- 146.6 m
- To
- 148.1 m
- Hole Depth
- 151.2 m
- Intercept Depth
- 141.4 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- S-12-406:146.6-148.1
- Mining Method
- mixed
Location
- Easting
- 565115
- Northing
- 3298290
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1300 m
- Azimuth
- 317 °
- Dip
- -71 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Pinnacle Analytical Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical sub-interval, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · text
“incl. 1.5m @ 407g/t Ag (original)”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200103Shafter · silverGrade: 433Grade Unit: g/tIntercept: 2.4 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200103
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 433
- Grade Unit
- g/t
- Intercept
- 2.4 m
- From
- 37.2 m
- To
- 39.6 m
- Hole Depth
- 40.2 m
- Intercept Depth
- 37.2 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200103:37.2-39.6
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298510
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 162 °
- Dip
- -11 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay shows a substantial increase in silver grade and contained metal compared to the historical result, with a high grade over a good width.
Positive factors
- bonanza_intercept
- significant_grade_uplift_vs_historical
Evidence · text
“201200103: 2.4m @ 433g/t Ag, incl. 0.6m @ 787g/t Ag (re-assay)”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200103Shafter · silverGrade: 787Grade Unit: g/tIntercept: 0.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200103
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 787
- Grade Unit
- g/t
- Intercept
- 0.6 m
- From
- 37.2 m
- To
- 37.8 m
- Hole Depth
- 40.2 m
- Intercept Depth
- 37.2 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200103:37.2-37.8
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298510
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 162 °
- Dip
- -11 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This high-grade sub-interval significantly contributes to the overall positive re-assay result, showing a substantial increase in silver grade.
Positive factors
- bonanza_intercept
- significant_grade_uplift_vs_historical
Evidence · text
“incl. 0.6m @ 787g/t Ag (re-assay)”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200103Shafter · silverGrade: 340Grade Unit: g/tIntercept: 2.4 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200103
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 340
- Grade Unit
- g/t
- Intercept
- 2.4 m
- From
- 37.2 m
- To
- 39.6 m
- Hole Depth
- 40.2 m
- Intercept Depth
- 37.2 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200103:37.2-39.6
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298510
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 162 °
- Dip
- -11 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Union Assay Office (UAO)
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical intercept, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · text
“2.4m @ 340g/t Ag, incl. 0.6m @ 469g/t Ag (original)”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200103Shafter · silverGrade: 469Grade Unit: g/tIntercept: 0.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200103
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 469
- Grade Unit
- g/t
- Intercept
- 0.6 m
- From
- 37.2 m
- To
- 37.8 m
- Hole Depth
- 40.2 m
- Intercept Depth
- 37.2 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200103:37.2-37.8
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298510
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 162 °
- Dip
- -11 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Union Assay Office (UAO)
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical sub-interval, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · text
“incl. 0.6m @ 469g/t Ag (original)”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200609Shafter · goldGrade: 0.5Grade Unit: g/tIntercept: 6.1 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200609
- Project
- Shafter
- Commodity
- gold
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.5
- Grade Unit
- g/t
- Intercept
- 6.1 m
- True Width
- 2.5 m
- From
- 0 m
- To
- 6.1 m
- Hole Depth
- 59.1 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200609:0-6.1
- Mining Method
- mixed
Location
- Easting
- 565285
- Northing
- 3298474
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1141 m
- Azimuth
- 41 °
- Dip
- -23 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This intercept identifies significant gold mineralization, which was previously not considered, adding new potential to the project.
Positive factors
- new_commodity_identified
- true_width_disclosed
Evidence · text
“201200609: 6.1m @ 0.5g/t Au, 227g/t Ag from 0m (collared underground)”
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 2.5
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200609Shafter · silverGrade: 227Grade Unit: g/tIntercept: 6.1 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200609
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 227
- Grade Unit
- g/t
- Intercept
- 6.1 m
- True Width
- 2.5 m
- From
- 0 m
- To
- 6.1 m
- Hole Depth
- 59.1 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200609:0-6.1
- Mining Method
- mixed
Location
- Easting
- 565285
- Northing
- 3298474
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1141 m
- Azimuth
- 41 °
- Dip
- -23 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This intercept identifies significant silver mineralization alongside gold, adding new potential to the project.
Positive factors
- new_commodity_identified
- true_width_disclosed
Evidence · text
“201200609: 6.1m @ 0.5g/t Au, 227g/t Ag from 0m (collared underground)”
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 2.5
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200609Shafter · goldGrade: 1.9Grade Unit: g/tIntercept: 1.2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200609
- Project
- Shafter
- Commodity
- gold
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 1.9
- Grade Unit
- g/t
- Intercept
- 1.2 m
- From
- 4.9 m
- To
- 6.1 m
- Hole Depth
- 59.1 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200609:4.9-6.1
- Mining Method
- mixed
Location
- Easting
- 565285
- Northing
- 3298474
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1141 m
- Azimuth
- 41 °
- Dip
- -23 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This sub-interval shows good gold grades, further highlighting the multi-commodity potential.
Positive factors
- new_commodity_identified
Evidence · text
“1.2m @ 1.9g/t Au, 36g/t Ag from 4.9m”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200609Shafter · silverGrade: 36Grade Unit: g/tIntercept: 1.2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200609
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 36
- Grade Unit
- g/t
- Intercept
- 1.2 m
- From
- 4.9 m
- To
- 6.1 m
- Hole Depth
- 59.1 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200609:4.9-6.1
- Mining Method
- mixed
Location
- Easting
- 565285
- Northing
- 3298474
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1141 m
- Azimuth
- 41 °
- Dip
- -23 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This sub-interval shows good silver grades alongside gold, further highlighting the multi-commodity potential.
Positive factors
- new_commodity_identified
Evidence · text
“1.2m @ 1.9g/t Au, 36g/t Ag from 4.9m”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200609Shafter · goldGrade: 1.3Grade Unit: g/tIntercept: 2.4 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200609
- Project
- Shafter
- Commodity
- gold
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 1.3
- Grade Unit
- g/t
- Intercept
- 2.4 m
- From
- 8.5 m
- To
- 11 m
- Hole Depth
- 59.1 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200609:8.5-11
- Mining Method
- mixed
Location
- Easting
- 565285
- Northing
- 3298474
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1141 m
- Azimuth
- 41 °
- Dip
- -23 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This sub-interval shows good gold grades, further highlighting the multi-commodity potential.
Positive factors
- new_commodity_identified
Evidence · text
“2.4m @ 1.3g/t Au, 14g/t Ag from 8.5m”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200609Shafter · silverGrade: 14Grade Unit: g/tIntercept: 2.4 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200609
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 14
- Grade Unit
- g/t
- Intercept
- 2.4 m
- From
- 8.5 m
- To
- 11 m
- Hole Depth
- 59.1 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200609:8.5-11
- Mining Method
- mixed
Location
- Easting
- 565285
- Northing
- 3298474
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1141 m
- Azimuth
- 41 °
- Dip
- -23 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This sub-interval shows good silver grades alongside gold, further highlighting the multi-commodity potential.
Positive factors
- new_commodity_identified
Evidence · text
“2.4m @ 1.3g/t Au, 14g/t Ag from 8.5m”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200609Shafter · goldGrade: 4.1Grade Unit: g/tIntercept: 0.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200609
- Project
- Shafter
- Commodity
- gold
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 4.1
- Grade Unit
- g/t
- Intercept
- 0.6 m
- From
- 9.1 m
- To
- 9.8 m
- Hole Depth
- 59.1 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200609:9.1-9.8
- Mining Method
- mixed
Location
- Easting
- 565285
- Northing
- 3298474
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1141 m
- Azimuth
- 41 °
- Dip
- -23 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This high-grade gold sub-interval further confirms the presence of significant gold mineralization.
Positive factors
- bonanza_intercept
- new_commodity_identified
Evidence · text
“0.6m @ 4.1g/t Au, 11g/t Ag from 9.1m”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200609Shafter · silverGrade: 11Grade Unit: g/tIntercept: 0.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200609
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 11
- Grade Unit
- g/t
- Intercept
- 0.6 m
- From
- 9.1 m
- To
- 9.8 m
- Hole Depth
- 59.1 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200609:9.1-9.8
- Mining Method
- mixed
Location
- Easting
- 565285
- Northing
- 3298474
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1141 m
- Azimuth
- 41 °
- Dip
- -23 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This sub-interval shows good silver grades alongside gold, further highlighting the multi-commodity potential.
Positive factors
- new_commodity_identified
Evidence · text
“0.6m @ 4.1g/t Au, 11g/t Ag from 9.1m”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · silverGrade: 59Grade Unit: g/tIntercept: 5.5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 59
- Grade Unit
- g/t
- Intercept
- 5.5 m
- From
- 53.6 m
- To
- 59.1 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 53.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:53.6-59.1
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay shows a slight increase in silver grade compared to the historical result, confirming mineralization.
Evidence · table
“59”
Context: 5.5
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · goldGrade: 0.2Grade Unit: g/tIntercept: 5.5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- gold
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.2
- Grade Unit
- g/t
- Intercept
- 5.5 m
- From
- 53.6 m
- To
- 59.1 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 53.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:53.6-59.1
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies gold mineralization in an interval previously not analyzed for gold, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.2”
Context: 5.5
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · leadGrade: 0.4Grade Unit: %Intercept: 5.5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- lead
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.4
- Grade Unit
- %
- Intercept
- 5.5 m
- From
- 53.6 m
- To
- 59.1 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 53.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:53.6-59.1
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies lead mineralization in an interval previously not analyzed for lead, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.4”
Context: 5.5
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · zincGrade: 0.5Grade Unit: %Intercept: 5.5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- zinc
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.5
- Grade Unit
- %
- Intercept
- 5.5 m
- From
- 53.6 m
- To
- 59.1 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 53.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:53.6-59.1
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies zinc mineralization in an interval previously not analyzed for zinc, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.5”
Context: 5.5
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · silverGrade: 58Grade Unit: g/tIntercept: 5.5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 58
- Grade Unit
- g/t
- Intercept
- 5.5 m
- From
- 53.6 m
- To
- 59.1 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 53.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:53.6-59.1
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Union Assay Office (UAO)
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical intercept, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · table
“58”
Context: 5.5
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · silverGrade: 115Grade Unit: g/tIntercept: 1.8 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 115
- Grade Unit
- g/t
- Intercept
- 1.8 m
- From
- 54.9 m
- To
- 56.7 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 53.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:54.9-56.7
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay shows a slight decrease in silver grade compared to the historical result, but still confirms mineralization.
Evidence · table
“115”
Context: 1.8
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · goldGrade: 0.3Grade Unit: g/tIntercept: 1.8 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- gold
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.3
- Grade Unit
- g/t
- Intercept
- 1.8 m
- From
- 54.9 m
- To
- 56.7 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 53.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:54.9-56.7
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies gold mineralization in an interval previously not analyzed for gold, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.3”
Context: 1.8
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · leadGrade: 0.5Grade Unit: %Intercept: 1.8 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- lead
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.5
- Grade Unit
- %
- Intercept
- 1.8 m
- From
- 54.9 m
- To
- 56.7 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 53.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:54.9-56.7
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies lead mineralization in an interval previously not analyzed for lead, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.5”
Context: 1.8
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · zincGrade: 0.9Grade Unit: %Intercept: 1.8 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- zinc
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.9
- Grade Unit
- %
- Intercept
- 1.8 m
- From
- 54.9 m
- To
- 56.7 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 53.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:54.9-56.7
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies zinc mineralization in an interval previously not analyzed for zinc, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.9”
Context: 1.8
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · silverGrade: 118Grade Unit: g/tIntercept: 1.8 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 118
- Grade Unit
- g/t
- Intercept
- 1.8 m
- From
- 54.9 m
- To
- 56.7 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 53.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:54.9-56.7
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Union Assay Office (UAO)
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical intercept, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · table
“118”
Context: 1.8
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · goldGrade: 0.1Grade Unit: g/tIntercept: 14.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- gold
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.1
- Grade Unit
- g/t
- Intercept
- 14.6 m
- From
- 64.6 m
- To
- 79.2 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 64.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:64.6-79.2
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies gold mineralization in an interval previously not analyzed for gold, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.1”
Context: 14.6
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · leadGrade: 1Grade Unit: %Intercept: 14.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- lead
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 1
- Grade Unit
- %
- Intercept
- 14.6 m
- From
- 64.6 m
- To
- 79.2 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 64.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:64.6-79.2
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies lead mineralization in an interval previously not analyzed for lead, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“1.0”
Context: 14.6
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · zincGrade: 1.2Grade Unit: %Intercept: 14.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- zinc
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 1.2
- Grade Unit
- %
- Intercept
- 14.6 m
- From
- 64.6 m
- To
- 79.2 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 64.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:64.6-79.2
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies zinc mineralization in an interval previously not analyzed for zinc, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“1.2”
Context: 14.6
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · goldGrade: 0.3Grade Unit: g/tIntercept: 6.7 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- gold
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.3
- Grade Unit
- g/t
- Intercept
- 6.7 m
- From
- 65.8 m
- To
- 72.5 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 64.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:65.8-72.5
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies gold mineralization in an interval previously not analyzed for gold, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.3”
Context: 6.7
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · leadGrade: 2.5Grade Unit: %Intercept: 6.7 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- lead
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 2.5
- Grade Unit
- %
- Intercept
- 6.7 m
- From
- 65.8 m
- To
- 72.5 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 64.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:65.8-72.5
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies lead mineralization in an interval previously not analyzed for lead, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“2.5”
Context: 6.7
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · zincGrade: 1.2Grade Unit: %Intercept: 6.7 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- zinc
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 1.2
- Grade Unit
- %
- Intercept
- 6.7 m
- From
- 65.8 m
- To
- 72.5 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 64.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:65.8-72.5
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies zinc mineralization in an interval previously not analyzed for zinc, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“1.2”
Context: 6.7
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · goldGrade: 0.3Grade Unit: g/tIntercept: 0.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- gold
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.3
- Grade Unit
- g/t
- Intercept
- 0.6 m
- From
- 66.5 m
- To
- 67.1 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 64.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:66.5-67.1
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies gold mineralization in an interval previously not analyzed for gold, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.3”
Context: 0.6
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · leadGrade: 4.7Grade Unit: %Intercept: 0.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- lead
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 4.7
- Grade Unit
- %
- Intercept
- 0.6 m
- From
- 66.5 m
- To
- 67.1 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 64.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:66.5-67.1
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies lead mineralization in an interval previously not analyzed for lead, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“4.7”
Context: 0.6
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · zincGrade: 0.4Grade Unit: %Intercept: 0.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- zinc
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.4
- Grade Unit
- %
- Intercept
- 0.6 m
- From
- 66.5 m
- To
- 67.1 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 64.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:66.5-67.1
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies zinc mineralization in an interval previously not analyzed for zinc, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.4”
Context: 0.6
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · silverGrade: 132Grade Unit: g/tIntercept: 0.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 132
- Grade Unit
- g/t
- Intercept
- 0.6 m
- From
- 84.1 m
- To
- 84.7 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 84.1 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:84.1-84.7
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay shows a slight increase in silver grade compared to the historical result, confirming mineralization.
Evidence · table
“132”
Context: 0.6
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · goldGrade: 0.1Grade Unit: g/tIntercept: 0.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- gold
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.1
- Grade Unit
- g/t
- Intercept
- 0.6 m
- From
- 84.1 m
- To
- 84.7 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 84.1 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:84.1-84.7
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies gold mineralization in an interval previously not analyzed for gold, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.1”
Context: 0.6
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · leadGrade: 0.1Grade Unit: %Intercept: 0.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- lead
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.1
- Grade Unit
- %
- Intercept
- 0.6 m
- From
- 84.1 m
- To
- 84.7 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 84.1 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:84.1-84.7
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies lead mineralization in an interval previously not analyzed for lead, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.1”
Context: 0.6
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · zincGrade: 0.9Grade Unit: %Intercept: 0.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- zinc
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.9
- Grade Unit
- %
- Intercept
- 0.6 m
- From
- 84.1 m
- To
- 84.7 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 84.1 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:84.1-84.7
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies zinc mineralization in an interval previously not analyzed for zinc, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.9”
Context: 0.6
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · silverGrade: 131Grade Unit: g/tIntercept: 0.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 131
- Grade Unit
- g/t
- Intercept
- 0.6 m
- From
- 84.1 m
- To
- 84.7 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 84.1 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:84.1-84.7
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Union Assay Office (UAO)
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical intercept, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · table
“131”
Context: 0.6
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · silverGrade: 213Grade Unit: g/tIntercept: 18 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 213
- Grade Unit
- g/t
- Intercept
- 18 m
- From
- 87.2 m
- To
- 105.2 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 87.2 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:87.2-105.2
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay shows an increase in silver grade compared to the historical result, confirming mineralization over a significant width.
Evidence · table
“213”
Context: 18.0
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · goldGrade: 0.1Grade Unit: g/tIntercept: 18 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- gold
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.1
- Grade Unit
- g/t
- Intercept
- 18 m
- From
- 87.2 m
- To
- 105.2 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 87.2 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:87.2-105.2
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies gold mineralization in an interval previously not analyzed for gold, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.1”
Context: 18.0
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · leadGrade: 0.2Grade Unit: %Intercept: 18 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- lead
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.2
- Grade Unit
- %
- Intercept
- 18 m
- From
- 87.2 m
- To
- 105.2 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 87.2 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:87.2-105.2
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies lead mineralization in an interval previously not analyzed for lead, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.2”
Context: 18.0
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · zincGrade: 1.7Grade Unit: %Intercept: 18 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- zinc
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 1.7
- Grade Unit
- %
- Intercept
- 18 m
- From
- 87.2 m
- To
- 105.2 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 87.2 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:87.2-105.2
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies zinc mineralization in an interval previously not analyzed for zinc, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“1.7”
Context: 18.0
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · silverGrade: 192Grade Unit: g/tIntercept: 18 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 192
- Grade Unit
- g/t
- Intercept
- 18 m
- From
- 87.2 m
- To
- 105.2 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 87.2 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:87.2-105.2
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Union Assay Office (UAO)
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical intercept, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · table
“192”
Context: 18.0
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · silverGrade: 569Grade Unit: g/tIntercept: 3 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 569
- Grade Unit
- g/t
- Intercept
- 3 m
- From
- 97.5 m
- To
- 100.6 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 87.2 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:97.5-100.6
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay shows a significant increase in silver grade compared to the historical result, confirming high-grade mineralization.
Positive factors
- bonanza_intercept
- significant_grade_uplift_vs_historical
Evidence · table
“569”
Context: 3.0
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · goldGrade: 0.1Grade Unit: g/tIntercept: 3 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- gold
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.1
- Grade Unit
- g/t
- Intercept
- 3 m
- From
- 97.5 m
- To
- 100.6 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 87.2 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:97.5-100.6
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies gold mineralization in an interval previously not analyzed for gold, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.1”
Context: 3.0
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · leadGrade: 0.5Grade Unit: %Intercept: 3 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- lead
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.5
- Grade Unit
- %
- Intercept
- 3 m
- From
- 97.5 m
- To
- 100.6 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 87.2 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:97.5-100.6
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies lead mineralization in an interval previously not analyzed for lead, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.5”
Context: 3.0
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · zincGrade: 2.3Grade Unit: %Intercept: 3 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- zinc
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 2.3
- Grade Unit
- %
- Intercept
- 3 m
- From
- 97.5 m
- To
- 100.6 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 87.2 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:97.5-100.6
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies zinc mineralization in an interval previously not analyzed for zinc, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“2.3”
Context: 3.0
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200106Shafter · silverGrade: 522Grade Unit: g/tIntercept: 3 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200106
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 522
- Grade Unit
- g/t
- Intercept
- 3 m
- From
- 97.5 m
- To
- 100.6 m
- Hole Depth
- 105.2 m
- Intercept Depth
- 87.2 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200106:97.5-100.6
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298511
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 118 °
- Dip
- -19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Union Assay Office (UAO)
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical intercept, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · table
“522”
Context: 3.0
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200105Shafter · silverGrade: 164Grade Unit: g/tIntercept: 11 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200105
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 164
- Grade Unit
- g/t
- Intercept
- 11 m
- From
- 25.6 m
- To
- 36.6 m
- Hole Depth
- 56.4 m
- Intercept Depth
- 25.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200105:25.6-36.6
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298510
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 151 °
- Dip
- -25 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay shows an increase in silver grade compared to the historical result, confirming mineralization over a significant width.
Evidence · table
“164”
Context: 11.0
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200105Shafter · leadGrade: 0.2Grade Unit: %Intercept: 11 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200105
- Project
- Shafter
- Commodity
- lead
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.2
- Grade Unit
- %
- Intercept
- 11 m
- From
- 25.6 m
- To
- 36.6 m
- Hole Depth
- 56.4 m
- Intercept Depth
- 25.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200105:25.6-36.6
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298510
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 151 °
- Dip
- -25 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies lead mineralization in an interval previously not analyzed for lead, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.2”
Context: 11.0
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200105Shafter · zincGrade: 0.2Grade Unit: %Intercept: 11 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200105
- Project
- Shafter
- Commodity
- zinc
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.2
- Grade Unit
- %
- Intercept
- 11 m
- From
- 25.6 m
- To
- 36.6 m
- Hole Depth
- 56.4 m
- Intercept Depth
- 25.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200105:25.6-36.6
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298510
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 151 °
- Dip
- -25 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies zinc mineralization in an interval previously not analyzed for zinc, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.2”
Context: 11.0
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200105Shafter · silverGrade: 155Grade Unit: g/tIntercept: 11 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200105
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 155
- Grade Unit
- g/t
- Intercept
- 11 m
- From
- 25.6 m
- To
- 36.6 m
- Hole Depth
- 56.4 m
- Intercept Depth
- 25.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200105:25.6-36.6
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298510
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1162 m
- Azimuth
- 151 °
- Dip
- -25 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Union Assay Office (UAO)
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical intercept, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · table
“155”
Context: 11.0
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200609Shafter · leadGrade: 0.6Grade Unit: %Intercept: 6.1 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200609
- Project
- Shafter
- Commodity
- lead
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.6
- Grade Unit
- %
- Intercept
- 6.1 m
- From
- 0 m
- To
- 6.1 m
- Hole Depth
- 59.1 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200609:0-6.1
- Mining Method
- mixed
Location
- Easting
- 565285
- Northing
- 3298474
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1141 m
- Azimuth
- 41 °
- Dip
- -23 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies lead mineralization in an interval previously not analyzed for lead, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.6”
Context: 6.1
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200609Shafter · zincGrade: 0.9Grade Unit: %Intercept: 6.1 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200609
- Project
- Shafter
- Commodity
- zinc
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.9
- Grade Unit
- %
- Intercept
- 6.1 m
- From
- 0 m
- To
- 6.1 m
- Hole Depth
- 59.1 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200609:0-6.1
- Mining Method
- mixed
Location
- Easting
- 565285
- Northing
- 3298474
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1141 m
- Azimuth
- 41 °
- Dip
- -23 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies zinc mineralization in an interval previously not analyzed for zinc, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.9”
Context: 6.1
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200609Shafter · silverGrade: 207Grade Unit: g/tIntercept: 6.1 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200609
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 207
- Grade Unit
- g/t
- Intercept
- 6.1 m
- From
- 0 m
- To
- 6.1 m
- Hole Depth
- 59.1 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200609:0-6.1
- Mining Method
- mixed
Location
- Easting
- 565285
- Northing
- 3298474
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1141 m
- Azimuth
- 41 °
- Dip
- -23 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Union Assay Office (UAO)
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical intercept, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · table
“207”
Context: 6.1
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200609Shafter · leadGrade: 0.2Grade Unit: %Intercept: 1.2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200609
- Project
- Shafter
- Commodity
- lead
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.2
- Grade Unit
- %
- Intercept
- 1.2 m
- From
- 4.9 m
- To
- 6.1 m
- Hole Depth
- 59.1 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200609:4.9-6.1
- Mining Method
- mixed
Location
- Easting
- 565285
- Northing
- 3298474
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1141 m
- Azimuth
- 41 °
- Dip
- -23 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies lead mineralization in an interval previously not analyzed for lead, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.2”
Context: 1.2
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200609Shafter · zincGrade: 0.3Grade Unit: %Intercept: 1.2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200609
- Project
- Shafter
- Commodity
- zinc
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.3
- Grade Unit
- %
- Intercept
- 1.2 m
- From
- 4.9 m
- To
- 6.1 m
- Hole Depth
- 59.1 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200609:4.9-6.1
- Mining Method
- mixed
Location
- Easting
- 565285
- Northing
- 3298474
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1141 m
- Azimuth
- 41 °
- Dip
- -23 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies zinc mineralization in an interval previously not analyzed for zinc, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.3”
Context: 1.2
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200609Shafter · silverGrade: 26Grade Unit: g/tIntercept: 1.2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200609
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 26
- Grade Unit
- g/t
- Intercept
- 1.2 m
- From
- 4.9 m
- To
- 6.1 m
- Hole Depth
- 59.1 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200609:4.9-6.1
- Mining Method
- mixed
Location
- Easting
- 565285
- Northing
- 3298474
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1141 m
- Azimuth
- 41 °
- Dip
- -23 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Union Assay Office (UAO)
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical intercept, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · table
“26”
Context: 1.2
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200609Shafter · zincGrade: 0.1Grade Unit: %Intercept: 2.4 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200609
- Project
- Shafter
- Commodity
- zinc
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.1
- Grade Unit
- %
- Intercept
- 2.4 m
- From
- 8.5 m
- To
- 11 m
- Hole Depth
- 59.1 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200609:8.5-11
- Mining Method
- mixed
Location
- Easting
- 565285
- Northing
- 3298474
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1141 m
- Azimuth
- 41 °
- Dip
- -23 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies zinc mineralization in an interval previously not analyzed for zinc, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.1”
Context: 2.4
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200609Shafter · silverGrade: 9Grade Unit: g/tIntercept: 2.4 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200609
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 9
- Grade Unit
- g/t
- Intercept
- 2.4 m
- From
- 8.5 m
- To
- 11 m
- Hole Depth
- 59.1 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200609:8.5-11
- Mining Method
- mixed
Location
- Easting
- 565285
- Northing
- 3298474
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1141 m
- Azimuth
- 41 °
- Dip
- -23 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Union Assay Office (UAO)
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical intercept, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · table
“9”
Context: 2.4
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200609Shafter · silverGrade: 9Grade Unit: g/tIntercept: 0.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200609
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 9
- Grade Unit
- g/t
- Intercept
- 0.6 m
- From
- 9.1 m
- To
- 9.8 m
- Hole Depth
- 59.1 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200609:9.1-9.8
- Mining Method
- mixed
Location
- Easting
- 565285
- Northing
- 3298474
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1141 m
- Azimuth
- 41 °
- Dip
- -23 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Union Assay Office (UAO)
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical intercept, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · table
“9”
Context: 0.6
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
S-12-439Shafter · silverGrade: 91Grade Unit: g/tIntercept: 10.4 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- S-12-439
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 91
- Grade Unit
- g/t
- Intercept
- 10.4 m
- From
- 171.3 m
- To
- 181.7 m
- Hole Depth
- 352.4 m
- Intercept Depth
- 171.3 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- S-12-439:171.3-181.7
- Mining Method
- mixed
Location
- Easting
- 565267
- Northing
- 3298035
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1267 m
- Azimuth
- 336 °
- Dip
- -62 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay shows a significant increase in silver grade compared to the historical result, confirming mineralization over a good width.
Evidence · table
“91”
Context: 10.4
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
S-12-439Shafter · goldGrade: 0.1Grade Unit: g/tIntercept: 10.4 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- S-12-439
- Project
- Shafter
- Commodity
- gold
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.1
- Grade Unit
- g/t
- Intercept
- 10.4 m
- From
- 171.3 m
- To
- 181.7 m
- Hole Depth
- 352.4 m
- Intercept Depth
- 171.3 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- S-12-439:171.3-181.7
- Mining Method
- mixed
Location
- Easting
- 565267
- Northing
- 3298035
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1267 m
- Azimuth
- 336 °
- Dip
- -62 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies gold mineralization in an interval previously not analyzed for gold, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.1”
Context: 10.4
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
S-12-439Shafter · leadGrade: 0.1Grade Unit: %Intercept: 10.4 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- S-12-439
- Project
- Shafter
- Commodity
- lead
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.1
- Grade Unit
- %
- Intercept
- 10.4 m
- From
- 171.3 m
- To
- 181.7 m
- Hole Depth
- 352.4 m
- Intercept Depth
- 171.3 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- S-12-439:171.3-181.7
- Mining Method
- mixed
Location
- Easting
- 565267
- Northing
- 3298035
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1267 m
- Azimuth
- 336 °
- Dip
- -62 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies lead mineralization in an interval previously not analyzed for lead, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.1”
Context: 10.4
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
S-12-439Shafter · zincGrade: 0.2Grade Unit: %Intercept: 10.4 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- S-12-439
- Project
- Shafter
- Commodity
- zinc
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.2
- Grade Unit
- %
- Intercept
- 10.4 m
- From
- 171.3 m
- To
- 181.7 m
- Hole Depth
- 352.4 m
- Intercept Depth
- 171.3 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- S-12-439:171.3-181.7
- Mining Method
- mixed
Location
- Easting
- 565267
- Northing
- 3298035
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1267 m
- Azimuth
- 336 °
- Dip
- -62 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies zinc mineralization in an interval previously not analyzed for zinc, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.2”
Context: 10.4
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
S-12-439Shafter · silverGrade: 66Grade Unit: g/tIntercept: 10.4 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- S-12-439
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 66
- Grade Unit
- g/t
- Intercept
- 10.4 m
- From
- 171.3 m
- To
- 181.7 m
- Hole Depth
- 352.4 m
- Intercept Depth
- 171.3 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- S-12-439:171.3-181.7
- Mining Method
- mixed
Location
- Easting
- 565267
- Northing
- 3298035
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1267 m
- Azimuth
- 336 °
- Dip
- -62 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Pinnacle Analytical Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical intercept, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · table
“66”
Context: 10.4
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
S-12-439Shafter · silverGrade: 262Grade Unit: g/tIntercept: 1.8 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- S-12-439
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 262
- Grade Unit
- g/t
- Intercept
- 1.8 m
- From
- 179.8 m
- To
- 181.7 m
- Hole Depth
- 352.4 m
- Intercept Depth
- 171.3 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- S-12-439:179.8-181.7
- Mining Method
- mixed
Location
- Easting
- 565267
- Northing
- 3298035
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1267 m
- Azimuth
- 336 °
- Dip
- -62 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay shows a significant increase in silver grade compared to the historical result, confirming high-grade mineralization.
Positive factors
- bonanza_intercept
- significant_grade_uplift_vs_historical
Evidence · table
“262”
Context: 1.8
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
S-12-439Shafter · goldGrade: 0.1Grade Unit: g/tIntercept: 1.8 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- S-12-439
- Project
- Shafter
- Commodity
- gold
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.1
- Grade Unit
- g/t
- Intercept
- 1.8 m
- From
- 179.8 m
- To
- 181.7 m
- Hole Depth
- 352.4 m
- Intercept Depth
- 171.3 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- S-12-439:179.8-181.7
- Mining Method
- mixed
Location
- Easting
- 565267
- Northing
- 3298035
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1267 m
- Azimuth
- 336 °
- Dip
- -62 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies gold mineralization in an interval previously not analyzed for gold, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.1”
Context: 1.8
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
S-12-439Shafter · leadGrade: 0.2Grade Unit: %Intercept: 1.8 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- S-12-439
- Project
- Shafter
- Commodity
- lead
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.2
- Grade Unit
- %
- Intercept
- 1.8 m
- From
- 179.8 m
- To
- 181.7 m
- Hole Depth
- 352.4 m
- Intercept Depth
- 171.3 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- S-12-439:179.8-181.7
- Mining Method
- mixed
Location
- Easting
- 565267
- Northing
- 3298035
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1267 m
- Azimuth
- 336 °
- Dip
- -62 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies lead mineralization in an interval previously not analyzed for lead, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.2”
Context: 1.8
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
S-12-439Shafter · zincGrade: 0.3Grade Unit: %Intercept: 1.8 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- S-12-439
- Project
- Shafter
- Commodity
- zinc
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.3
- Grade Unit
- %
- Intercept
- 1.8 m
- From
- 179.8 m
- To
- 181.7 m
- Hole Depth
- 352.4 m
- Intercept Depth
- 171.3 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- S-12-439:179.8-181.7
- Mining Method
- mixed
Location
- Easting
- 565267
- Northing
- 3298035
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1267 m
- Azimuth
- 336 °
- Dip
- -62 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies zinc mineralization in an interval previously not analyzed for zinc, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.3”
Context: 1.8
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
S-12-439Shafter · silverGrade: 183Grade Unit: g/tIntercept: 1.8 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- S-12-439
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 183
- Grade Unit
- g/t
- Intercept
- 1.8 m
- From
- 179.8 m
- To
- 181.7 m
- Hole Depth
- 352.4 m
- Intercept Depth
- 171.3 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- S-12-439:179.8-181.7
- Mining Method
- mixed
Location
- Easting
- 565267
- Northing
- 3298035
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1267 m
- Azimuth
- 336 °
- Dip
- -62 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Pinnacle Analytical Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical intercept, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · table
“183”
Context: 1.8
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200304Shafter · silverGrade: 177Grade Unit: g/tIntercept: 16.5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200304
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 177
- Grade Unit
- g/t
- Intercept
- 16.5 m
- From
- 9.1 m
- To
- 25.6 m
- Hole Depth
- 45.1 m
- Intercept Depth
- 9.1 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200304:9.1-25.6
- Mining Method
- mixed
Location
- Easting
- 565248
- Northing
- 3298439
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1150 m
- Azimuth
- 159 °
- Dip
- 8 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay shows a significant increase in silver grade compared to the historical result, confirming mineralization over a substantial width.
Positive factors
- significant_grade_uplift_vs_historical
Evidence · table
“177”
Context: 16.5
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200304Shafter · goldGrade: 0.2Grade Unit: g/tIntercept: 16.5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200304
- Project
- Shafter
- Commodity
- gold
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.2
- Grade Unit
- g/t
- Intercept
- 16.5 m
- From
- 9.1 m
- To
- 25.6 m
- Hole Depth
- 45.1 m
- Intercept Depth
- 9.1 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200304:9.1-25.6
- Mining Method
- mixed
Location
- Easting
- 565248
- Northing
- 3298439
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1150 m
- Azimuth
- 159 °
- Dip
- 8 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies gold mineralization in an interval previously not analyzed for gold, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.2”
Context: 16.5
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200304Shafter · leadGrade: 0.8Grade Unit: %Intercept: 16.5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200304
- Project
- Shafter
- Commodity
- lead
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.8
- Grade Unit
- %
- Intercept
- 16.5 m
- From
- 9.1 m
- To
- 25.6 m
- Hole Depth
- 45.1 m
- Intercept Depth
- 9.1 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200304:9.1-25.6
- Mining Method
- mixed
Location
- Easting
- 565248
- Northing
- 3298439
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1150 m
- Azimuth
- 159 °
- Dip
- 8 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies lead mineralization in an interval previously not analyzed for lead, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.8”
Context: 16.5
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200304Shafter · zincGrade: 0.2Grade Unit: %Intercept: 16.5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200304
- Project
- Shafter
- Commodity
- zinc
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.2
- Grade Unit
- %
- Intercept
- 16.5 m
- From
- 9.1 m
- To
- 25.6 m
- Hole Depth
- 45.1 m
- Intercept Depth
- 9.1 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200304:9.1-25.6
- Mining Method
- mixed
Location
- Easting
- 565248
- Northing
- 3298439
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1150 m
- Azimuth
- 159 °
- Dip
- 8 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies zinc mineralization in an interval previously not analyzed for zinc, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.2”
Context: 16.5
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200304Shafter · silverGrade: 138Grade Unit: g/tIntercept: 16.5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200304
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 138
- Grade Unit
- g/t
- Intercept
- 16.5 m
- From
- 9.1 m
- To
- 25.6 m
- Hole Depth
- 45.1 m
- Intercept Depth
- 9.1 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200304:9.1-25.6
- Mining Method
- mixed
Location
- Easting
- 565248
- Northing
- 3298439
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1150 m
- Azimuth
- 159 °
- Dip
- 8 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Union Assay Office (UAO)
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical intercept, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · table
“138”
Context: 16.5
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200403Shafter · silverGrade: 136Grade Unit: g/tIntercept: 9.2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200403
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 136
- Grade Unit
- g/t
- Intercept
- 9.2 m
- From
- 27.4 m
- To
- 36.6 m
- Hole Depth
- 47.6 m
- Intercept Depth
- 27.4 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200403:27.4-36.6
- Mining Method
- mixed
Location
- Easting
- 565215
- Northing
- 3298340
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1138 m
- Azimuth
- 183 °
- Dip
- 8 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay shows a slight increase in silver grade compared to the historical result, confirming mineralization over a good width.
Evidence · table
“136”
Context: 9.2
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200403Shafter · goldGrade: 0.1Grade Unit: g/tIntercept: 9.2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200403
- Project
- Shafter
- Commodity
- gold
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.1
- Grade Unit
- g/t
- Intercept
- 9.2 m
- From
- 27.4 m
- To
- 36.6 m
- Hole Depth
- 47.6 m
- Intercept Depth
- 27.4 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200403:27.4-36.6
- Mining Method
- mixed
Location
- Easting
- 565215
- Northing
- 3298340
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1138 m
- Azimuth
- 183 °
- Dip
- 8 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies gold mineralization in an interval previously not analyzed for gold, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.1”
Context: 9.2
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200403Shafter · leadGrade: 0.1Grade Unit: %Intercept: 9.2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200403
- Project
- Shafter
- Commodity
- lead
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.1
- Grade Unit
- %
- Intercept
- 9.2 m
- From
- 27.4 m
- To
- 36.6 m
- Hole Depth
- 47.6 m
- Intercept Depth
- 27.4 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200403:27.4-36.6
- Mining Method
- mixed
Location
- Easting
- 565215
- Northing
- 3298340
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1138 m
- Azimuth
- 183 °
- Dip
- 8 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies lead mineralization in an interval previously not analyzed for lead, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.1”
Context: 9.2
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200403Shafter · zincGrade: 0.5Grade Unit: %Intercept: 9.2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200403
- Project
- Shafter
- Commodity
- zinc
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.5
- Grade Unit
- %
- Intercept
- 9.2 m
- From
- 27.4 m
- To
- 36.6 m
- Hole Depth
- 47.6 m
- Intercept Depth
- 27.4 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200403:27.4-36.6
- Mining Method
- mixed
Location
- Easting
- 565215
- Northing
- 3298340
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1138 m
- Azimuth
- 183 °
- Dip
- 8 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies zinc mineralization in an interval previously not analyzed for zinc, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.5”
Context: 9.2
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200403Shafter · silverGrade: 132Grade Unit: g/tIntercept: 9.2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200403
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 132
- Grade Unit
- g/t
- Intercept
- 9.2 m
- From
- 27.4 m
- To
- 36.6 m
- Hole Depth
- 47.6 m
- Intercept Depth
- 27.4 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200403:27.4-36.6
- Mining Method
- mixed
Location
- Easting
- 565215
- Northing
- 3298340
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1138 m
- Azimuth
- 183 °
- Dip
- 8 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Union Assay Office (UAO)
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical intercept, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · table
“132”
Context: 9.2
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200404Shafter · silverGrade: 23Grade Unit: g/tIntercept: 0.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200404
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 23
- Grade Unit
- g/t
- Intercept
- 0.6 m
- From
- 50.6 m
- To
- 51.2 m
- Hole Depth
- 69.2 m
- Intercept Depth
- 50.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200404:50.6-51.2
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298341
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1139 m
- Azimuth
- 244 °
- Dip
- 19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 20
- Cutoff Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay shows an increase in silver grade compared to the historical result, confirming mineralization.
Evidence · table
“23”
Context: 0.6
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200404Shafter · zincGrade: 0.3Grade Unit: %Intercept: 0.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200404
- Project
- Shafter
- Commodity
- zinc
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 0.3
- Grade Unit
- %
- Intercept
- 0.6 m
- From
- 50.6 m
- To
- 51.2 m
- Hole Depth
- 69.2 m
- Intercept Depth
- 50.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200404:50.6-51.2
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298341
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1139 m
- Azimuth
- 244 °
- Dip
- 19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, check_assays
Compositing
- Cutoff Grade
- 0.2
- Cutoff Unit
- %
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2012-01-01T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This re-assay identifies zinc mineralization in an interval previously not analyzed for zinc, adding new potential.
Positive factors
- new_commodity_identified
Evidence · table
“0.3”
Context: 0.6
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
201200404Shafter · silverGrade: 20Grade Unit: g/tIntercept: 0.6 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 201200404
- Project
- Shafter
- Commodity
- silver
- Region
- texas
- Reported Region
- texas
- Ticker
- BKB
Geometry
- Grade
- 20
- Grade Unit
- g/t
- Intercept
- 0.6 m
- From
- 50.6 m
- To
- 51.2 m
- Hole Depth
- 69.2 m
- Intercept Depth
- 50.6 m
Classification
- Deposit Type
- other
- Program
- exploration
- Sample Type
- drill
- Group ID
- 201200404:50.6-51.2
- Mining Method
- mixed
Location
- Easting
- 565213
- Northing
- 3298341
- CRS
- NAD83 UTM Zone 13N
- Elevation
- 1139 m
- Azimuth
- 244 °
- Dip
- 19 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- Union Assay Office (UAO)
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-10-02T00:00:00.000Z
Dates
- Event date
- 2026-10-14T00:00:00.000Z
Reasoning: This is a historical intercept, now superseded by re-analysis, with limited QA/QC details available for the original assay.
Negative factors
- stale_data_re_release
- no_qaqc_disclosure_for_original_analysis
Evidence · table
“20”
Context: 0.6
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The material remaining within the historic Presidio Mine is currently excluded from the Mineral Resource Estimate, encom"
How Atlas produces this analysis
Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.