Pinnacle Confirms High-Grade Mineralization in Underground Drilling at El Potrero with up to 58.2 g/t Au and 631 g/t Ag
Original announcement by orestocks on
- Company
- Pinnacle Silver and Gold Corp.
- Ticker
- PINN.V
- Exchange
- Unavailable
- Region
- Durango, Mexico
- Primary commodity
- Gold
- Secondary commodities
- Silver
- Document categories
- Drill results
- Extracted
- 2026-09-09 11:58:33 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Pinnacle Silver and Gold Corp. has confirmed high-grade gold and silver mineralization at the El Potrero property in Mexico through underground drilling. Notable intercepts include up to 58.2 g/t Au and 631 g/t Ag, demonstrating continuity along the Dos de Mayo vein.
Reasoning: The release reports high-grade gold and silver intercepts that confirm and extend previously known mineralization, supported by robust QA/QC disclosure.
Positive factors
- high-grade intercepts
- continuity of mineralization
- QA/QC disclosed
- epithermal deposit type
Negative factors
- assays pending for several holes
Facts used in scoring: 6

Classification and evidence
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: Hole EPUG26068 returned 58.2 g/t Au and 631 g/t Ag over 0.41m, which is exceptionally high grade.
Evidence · text
“returned 58.2 g/t Au and 631 g/t Ag over 0.41 metres”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release details QA/QC procedures including certified reference materials, blanks, and SGS laboratory accreditation.
Evidence · text
“including inserting certified reference material samples and blank samples into sample batches”
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: The release mentions that chip channel samples are reasonably close to representing true widths, but does not provide a specific true width for the drill intercepts.
Evidence · text
“these samples are reasonably close to representing the true widths of the structures”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: the document describes a mill_cil route ("CIL")
Extracted facts
Stored fact records: 6. Some facts used in scoring do not have a stored record.
Drill Results (6)
EPUG26035El Potrero · goldGrade: 9.69Grade Unit: g/tIntercept: 13.18 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- EPUG26035
- Project
- El Potrero
- Commodity
- gold
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PINN.V
Geometry
- Grade
- 9.69
- Grade Unit
- g/t
- Intercept
- 13.18 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- EPUG26035:0-13.18
- Mining Method
- underground
Location
- Location
- Dos de Mayo vein
- Loc. Confidence
- medium
- Loc. Source
- document
QA/QC
- Laboratory
- SGS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-08-18T00:00:00.000Z
Dates
- Event date
- 2026-09-09T00:00:00.000Z
Reasoning: This is a restatement of results previously announced on August 18, 2026.
Positive factors
- strong grade
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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: "About the Potrero Property El Potrero is located in the prolific Sierra Madre Occidental of western Mexico and lies wit"
EPUG26035El Potrero · silverGrade: 143Grade Unit: g/tIntercept: 13.18 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- EPUG26035
- Project
- El Potrero
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PINN.V
Geometry
- Grade
- 143
- Grade Unit
- g/t
- Intercept
- 13.18 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- EPUG26035:0-13.18
- Mining Method
- underground
Location
- Location
- Dos de Mayo vein
- Loc. Confidence
- medium
- Loc. Source
- document
QA/QC
- Laboratory
- SGS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2026-08-18T00:00:00.000Z
Dates
- Event date
- 2026-09-09T00:00:00.000Z
Reasoning: This is a restatement of results previously announced on August 18, 2026.
Positive factors
- strong grade
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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: "About the Potrero Property El Potrero is located in the prolific Sierra Madre Occidental of western Mexico and lies wit"
EPUG26068El Potrero · goldGrade: 6.19Grade Unit: g/tIntercept: 10.89 mView all detailsHide details
Identity
- Hole ID
- EPUG26068
- Project
- El Potrero
- Commodity
- gold
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PINN.V
Geometry
- Grade
- 6.19
- Grade Unit
- g/t
- Intercept
- 10.89 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- EPUG26068:0-10.89
- Mining Method
- underground
Location
- Location
- Dos de Mayo vein
- Loc. Confidence
- medium
- Loc. Source
- document
QA/QC
- Laboratory
- SGS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-09T00:00:00.000Z
Reasoning: Confirms continuity of mineralization in a new section of the vein.
Positive factors
- continuity of grade
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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: "About the Potrero Property El Potrero is located in the prolific Sierra Madre Occidental of western Mexico and lies wit"
EPUG26068El Potrero · silverGrade: 90Grade Unit: g/tIntercept: 10.89 mView all detailsHide details
Identity
- Hole ID
- EPUG26068
- Project
- El Potrero
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PINN.V
Geometry
- Grade
- 90
- Grade Unit
- g/t
- Intercept
- 10.89 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- EPUG26068:0-10.89
- Mining Method
- underground
Location
- Location
- Dos de Mayo vein
- Loc. Confidence
- medium
- Loc. Source
- document
QA/QC
- Laboratory
- SGS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-09T00:00:00.000Z
Reasoning: Confirms continuity of mineralization in a new section of the vein.
Positive factors
- continuity of grade
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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: "About the Potrero Property El Potrero is located in the prolific Sierra Madre Occidental of western Mexico and lies wit"
EPUG26068El Potrero · goldGrade: 58.2Grade Unit: g/tIntercept: 0.41 mView all detailsHide details
Identity
- Hole ID
- EPUG26068
- Project
- El Potrero
- Commodity
- gold
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PINN.V
Geometry
- Grade
- 58.2
- Grade Unit
- g/t
- Intercept
- 0.41 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- EPUG26068:0-0.41
- Mining Method
- underground
Location
- Location
- Dos de Mayo vein
- Loc. Confidence
- medium
- Loc. Source
- document
QA/QC
- Laboratory
- SGS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-09T00:00:00.000Z
Reasoning: Extremely high grade intercept (58.2 g/t Au) with visible gold.
Positive factors
- Bonanza Intercept
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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: "About the Potrero Property El Potrero is located in the prolific Sierra Madre Occidental of western Mexico and lies wit"
EPUG26068El Potrero · silverGrade: 631Grade Unit: g/tIntercept: 0.41 mView all detailsHide details
Identity
- Hole ID
- EPUG26068
- Project
- El Potrero
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PINN.V
Geometry
- Grade
- 631
- Grade Unit
- g/t
- Intercept
- 0.41 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- EPUG26068:0-0.41
- Mining Method
- underground
Location
- Location
- Dos de Mayo vein
- Loc. Confidence
- medium
- Loc. Source
- document
QA/QC
- Laboratory
- SGS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-09T00:00:00.000Z
Reasoning: Extremely high grade silver intercept (631 g/t Ag) accompanying the gold bonanza.
Positive factors
- Bonanza Intercept
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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: "About the Potrero Property El Potrero is located in the prolific Sierra Madre Occidental of western Mexico and lies wit"
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.