Hercules Metals Intersects 670 m of 0.45% Copper, 4 g/t Ag and 95 ppm Mo, including 213 m of 0.67% Copper, 10 g/t Ag, 128 ppm Mo at the Leviathan Porphyry System in Idaho
Original announcement by tmx on
- Company
- Hercules Metals Corp.
- Ticker
- BIG
- Exchange
- TSX
- Region
- Idaho
- Primary commodity
- Copper
- Secondary commodities
- Silver, Molybdenum, Lead, Zinc
- Document categories
- Drill results
- Extracted
- 2026-08-21 02:31:03 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Hercules Metals Corp. announced significant drill results from its Leviathan porphyry copper system in Idaho, highlighted by drill hole HER-25-18 intersecting 670.44 meters of 0.45% copper, 4.0 g/t silver, and 95 ppm molybdenum, including a higher-grade sub-interval. This represents the longest mineralized interval to date and a 200-meter step-out, indicating strong continuity and expansion potential for the system. Additionally, reconnaissance drilling identified significant silver-lead-zinc mineralization in distal areas, suggesting further prospectivity.
Reasoning: Hercules Metals reported exceptional drill results from its Leviathan porphyry copper system, including the longest interval to date (670.44 m of 0.45% Cu) and high-grade sub-intervals, demonstrating significant scale and continuity in a 200-meter step-out. Reconnaissance drilling also identified significant silver-lead-zinc mineralization, expanding the overall prospectivity of the property.
Positive factors
- Longest interval to date
- Significant step-out extension
- High-grade zones within broader mineralization
- Strong continuity of mineralization
- Porphyry model consistent with results
- Comprehensive QA/QC disclosure
- Qualified Person sign-off
Negative factors
- Apparent width only reported for all intervals
- Metal equivalent assumptions not disclosed
- Cut-off grades for compositing not disclosed
Facts used in scoring: 76
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Drill hole HER-25-18 was drilled as a 200 metre step-out to the southwest of previously reported drill hole HER-25-15, extending the known mineralization.
Evidence · text
“HER-25-18 was drilled as a 200 metre step-out to the southwest of previously reported drill hole HER-25-15”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release includes a dedicated 'Sample Analysis and QAQC' section detailing laboratory certification, assay methods, and insertion of standards, duplicates, and blanks.
Evidence · text
“Sample Analysis and QAQC All drill core samples were prepped and analyzed at MSA Labs in Elko, Nevada and/or Langley, British Columbia, an ISO 17025 and ISO 9001 certified laboratory.”
Apparent Width Onlynegative
Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.
Why it applies: The document explicitly states that 'insufficient data are available at this time to state the true thickness of the mineralized intervals' for all reported intervals.
Evidence · text
“The intervals reported represent drill intercepts and insufficient data are available at this time to state the true thickness of the mineralized intervals.”
Metal Equivalent Opaquenegative
Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used.
Why it applies: Silver equivalent (AgEq) grades are reported in Table 2 and for HER-25-06 without disclosing the price or recovery assumptions used for their calculation.
Evidence · table
“AgEq (g/t)”
Context: Ag (g/t)
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: No cut-off grade is stated for the reported drill intervals, making it difficult to assess the compositing methodology.
Evidence · text
“The intervals reported represent drill intercepts and insufficient data are available at this time to state the true thickness of the mineralized intervals.”
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: The intercept in HER-25-18 of 57.36 m at 1.06% Cu is an exceptional grade for a porphyry copper deposit.
Evidence · table
“1.06”
Context: 57.36
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: The intercept in HER-25-20 of 39.5 m at 1.55% Cu is an exceptional grade for a porphyry copper deposit.
Evidence · table
“1.55”
Context: 39.5
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: The silver-lead-zinc results for HER-25-06 are explicitly stated as 'previously reported intervals'.
Evidence · text
“including the following previously reported intervals: 10.7 m of 257.2 g/t Ag, 2.18% Pb, and 4.62% Zn (420.5 g/t AgEq)”
Extracted facts
Stored fact records: 76. Some facts used in scoring do not have a stored record.
Drill Results (76)
HER-25-18Leviathan · copperGrade: 0.45Grade Unit: %Intercept: 670.44 mView all detailsHide details
Identity
- Hole ID
- HER-25-18
- Project
- Leviathan
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.45
- Grade Unit
- %
- Intercept
- 670.44 m
- From
- 172.21 m
- To
- 842.65 m
- Hole Depth
- 842.65 m
- Intercept Depth
- 172.21 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-18:172.21-842.65
- Mining Method
- open_pit
Location
- Easting
- 511656.9
- Northing
- 4956141.17
- Elevation
- 1363.04 m
- Azimuth
- 315 °
- Dip
- -45.25 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This is the longest and a strong copper intercept to date for a porphyry system, significantly extending the known mineralization in a 200-meter step-out.
Positive factors
- Longest interval to date
- Step-Out Extension
- Strong continuity
- Porphyry model consistent
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
Evidence · table
“0.45”
Context: 670.44
HER-25-18Leviathan · copperGrade: 0.67Grade Unit: %Intercept: 212.81 mView all detailsHide details
Identity
- Hole ID
- HER-25-18
- Project
- Leviathan
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.67
- Grade Unit
- %
- Intercept
- 212.81 m
- From
- 188 m
- To
- 400.81 m
- Hole Depth
- 842.65 m
- Intercept Depth
- 188 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-18:188.0-400.81
- Mining Method
- open_pit
Location
- Easting
- 511656.9
- Northing
- 4956141.17
- Elevation
- 1363.04 m
- Azimuth
- 315 °
- Dip
- -45.25 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This sub-interval contains strong copper grades within the broader significant intercept, indicating a high-grade zone.
Positive factors
- High-grade zone
- Strong continuity
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
Evidence · table
“0.67”
Context: 212.81
HER-25-18Leviathan · copperGrade: 1.06Grade Unit: %Intercept: 57.36 mView all detailsHide details
Identity
- Hole ID
- HER-25-18
- Project
- Leviathan
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 1.06
- Grade Unit
- %
- Intercept
- 57.36 m
- From
- 188 m
- To
- 245.36 m
- Hole Depth
- 842.65 m
- Intercept Depth
- 188 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-18:188.0-245.36
- Mining Method
- open_pit
Location
- Easting
- 511656.9
- Northing
- 4956141.17
- Elevation
- 1363.04 m
- Azimuth
- 315 °
- Dip
- -45.25 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This sub-interval contains exceptional copper grades, representing a bonanza intercept within the broader significant interval.
Positive factors
- Bonanza Intercept
- Exceptional grade for porphyry
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
Evidence · table
“1.06”
Context: 57.36
HER-25-18Leviathan · copperGrade: 0.49Grade Unit: %Intercept: 140.09 mView all detailsHide details
Identity
- Hole ID
- HER-25-18
- Project
- Leviathan
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.49
- Grade Unit
- %
- Intercept
- 140.09 m
- From
- 702.56 m
- To
- 842.65 m
- Hole Depth
- 842.65 m
- Intercept Depth
- 702.56 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-18:702.56-842.65
- Mining Method
- open_pit
Location
- Easting
- 511656.9
- Northing
- 4956141.17
- Elevation
- 1363.04 m
- Azimuth
- 315 °
- Dip
- -45.25 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This sub-interval shows strong copper grades over a good length within the main intercept.
Positive factors
- Strong copper grade
- Good interval length
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
Evidence · table
“0.49”
Context: 140.09
HER-25-13Leviathan · copperGrade: 0.57Grade Unit: %Intercept: 12.31 mView all detailsHide details
Identity
- Hole ID
- HER-25-13
- Project
- Leviathan
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.57
- Grade Unit
- %
- Intercept
- 12.31 m
- From
- 289.56 m
- To
- 301.87 m
- Hole Depth
- 631.85 m
- Intercept Depth
- 289.56 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-13:289.56-301.87
- Mining Method
- open_pit
Location
- Easting
- 512131.2
- Northing
- 4956963.39
- Elevation
- 1616.25 m
- Azimuth
- 355 °
- Dip
- -64.6 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This intercept shows a strong copper grade over a moderate length.
Positive factors
- Strong copper grade
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
Evidence · table
“0.57”
Context: 12.31
HER-25-14Leviathan · copperGrade: 1.08Grade Unit: %Intercept: 6.09 mView all detailsHide details
Identity
- Hole ID
- HER-25-14
- Project
- Leviathan
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 1.08
- Grade Unit
- %
- Intercept
- 6.09 m
- From
- 399.29 m
- To
- 405.38 m
- Hole Depth
- 832.1 m
- Intercept Depth
- 399.29 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-14:399.29-405.38
- Mining Method
- open_pit
Location
- Easting
- 511912.2
- Northing
- 4956733.27
- Elevation
- 1525.21 m
- Azimuth
- 315.11 °
- Dip
- -55.03 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This intercept shows exceptional copper grades, representing a bonanza intercept, though over a narrow width.
Positive factors
- Bonanza Intercept
- Exceptional grade for porphyry
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
Evidence · table
“1.08”
Context: 6.09
HER-25-14Leviathan · copperGrade: 0.57Grade Unit: %Intercept: 10.66 mView all detailsHide details
Identity
- Hole ID
- HER-25-14
- Project
- Leviathan
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.57
- Grade Unit
- %
- Intercept
- 10.66 m
- From
- 478.54 m
- To
- 489.2 m
- Hole Depth
- 832.1 m
- Intercept Depth
- 478.54 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-14:478.54-489.2
- Mining Method
- open_pit
Location
- Easting
- 511912.2
- Northing
- 4956733.27
- Elevation
- 1525.21 m
- Azimuth
- 315.11 °
- Dip
- -55.03 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This intercept shows a strong copper grade over a moderate length.
Positive factors
- Strong copper grade
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
Evidence · table
“0.57”
Context: 10.66
HER-25-14Leviathan · copperGrade: 0.31Grade Unit: %Intercept: 235.98 mView all detailsHide details
Identity
- Hole ID
- HER-25-14
- Project
- Leviathan
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.31
- Grade Unit
- %
- Intercept
- 235.98 m
- From
- 541.26 m
- To
- 777.24 m
- Hole Depth
- 832.1 m
- Intercept Depth
- 541.26 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-14:541.26-777.24
- Mining Method
- open_pit
Location
- Easting
- 511912.2
- Northing
- 4956733.27
- Elevation
- 1525.21 m
- Azimuth
- 315.11 °
- Dip
- -55.03 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This intercept shows a moderate copper grade over a very long length.
Positive factors
- Good interval length
- Moderate copper grade
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
Evidence · table
“0.31”
Context: 235.98
HER-25-14Leviathan · copperGrade: 0.47Grade Unit: %Intercept: 76.81 mView all detailsHide details
Identity
- Hole ID
- HER-25-14
- Project
- Leviathan
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.47
- Grade Unit
- %
- Intercept
- 76.81 m
- From
- 638.56 m
- To
- 715.37 m
- Hole Depth
- 832.1 m
- Intercept Depth
- 638.56 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-14:638.56-715.37
- Mining Method
- open_pit
Location
- Easting
- 511912.2
- Northing
- 4956733.27
- Elevation
- 1525.21 m
- Azimuth
- 315.11 °
- Dip
- -55.03 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This sub-interval shows strong copper grades over a good length within a broader intercept.
Positive factors
- Strong copper grade
- Good interval length
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
Evidence · table
“0.47”
Context: 76.81
HER-25-20Leviathan · copperGrade: 0.38Grade Unit: %Intercept: 300.1 mView all detailsHide details
Identity
- Hole ID
- HER-25-20
- Project
- Leviathan
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.38
- Grade Unit
- %
- Intercept
- 300.1 m
- From
- 158.62 m
- To
- 458.72 m
- Hole Depth
- 468.17 m
- Intercept Depth
- 158.62 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-20:158.62-458.72
- Mining Method
- open_pit
Location
- Easting
- 511931.3
- Northing
- 4956493.08
- Elevation
- 1511.26 m
- Azimuth
- 314.86 °
- Dip
- -61.72 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This intercept shows a moderate copper grade over a long length.
Positive factors
- Good interval length
- Moderate copper grade
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
Evidence · table
“0.38”
Context: 300.1
HER-25-20Leviathan · copperGrade: 1.55Grade Unit: %Intercept: 39.5 mView all detailsHide details
Identity
- Hole ID
- HER-25-20
- Project
- Leviathan
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 1.55
- Grade Unit
- %
- Intercept
- 39.5 m
- From
- 158.62 m
- To
- 198.12 m
- Hole Depth
- 468.17 m
- Intercept Depth
- 158.62 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-20:158.62-198.12
- Mining Method
- open_pit
Location
- Easting
- 511931.3
- Northing
- 4956493.08
- Elevation
- 1511.26 m
- Azimuth
- 314.86 °
- Dip
- -61.72 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This sub-interval contains exceptional copper grades, representing a bonanza intercept within a broader interval.
Positive factors
- Bonanza Intercept
- Exceptional grade for porphyry
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
Evidence · table
“1.55”
Context: 39.5
HER-25-16Leviathan · silverGrade: 10.5Grade Unit: g/tIntercept: 71.63 mView all detailsHide details
Identity
- Hole ID
- HER-25-16
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 10.5
- Grade Unit
- g/t
- Intercept
- 71.63 m
- From
- 574.55 m
- To
- 646.18 m
- Hole Depth
- 1068.32 m
- Intercept Depth
- 574.55 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-16:574.55-646.18
- Mining Method
- open_pit
Location
- Easting
- 512628.9
- Northing
- 4955042.4
- Elevation
- 1401.21 m
- Azimuth
- 270.34 °
- Dip
- -54.57 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Metal Equivalent
- Metal Eq. Grade
- 19.8
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This reconnaissance intercept shows moderate silver grades over a good length, with undisclosed metal equivalent assumptions.
Positive factors
- Reconnaissance drilling
- Good interval length
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
- Metal Equivalent Opaque
Evidence · table
“10.5”
Context: 71.63
HER-25-16Leviathan · silverGrade: 27Grade Unit: g/tIntercept: 15.24 mView all detailsHide details
Identity
- Hole ID
- HER-25-16
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 27
- Grade Unit
- g/t
- Intercept
- 15.24 m
- From
- 760.48 m
- To
- 775.72 m
- Hole Depth
- 1068.32 m
- Intercept Depth
- 760.48 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-16:760.48-775.72
- Mining Method
- open_pit
Location
- Easting
- 512628.9
- Northing
- 4955042.4
- Elevation
- 1401.21 m
- Azimuth
- 270.34 °
- Dip
- -54.57 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Metal Equivalent
- Metal Eq. Grade
- 30.5
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This reconnaissance intercept shows moderate silver grades over a narrow length, with undisclosed metal equivalent assumptions.
Positive factors
- Reconnaissance drilling
- Moderate silver grade
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
- Metal Equivalent Opaque
Evidence · table
“27.0”
Context: 15.24
HER-25-16Leviathan · silverGrade: 14.2Grade Unit: g/tIntercept: 18.29 mView all detailsHide details
Identity
- Hole ID
- HER-25-16
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 14.2
- Grade Unit
- g/t
- Intercept
- 18.29 m
- From
- 816.86 m
- To
- 835.15 m
- Hole Depth
- 1068.32 m
- Intercept Depth
- 816.86 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-16:816.86-835.15
- Mining Method
- open_pit
Location
- Easting
- 512628.9
- Northing
- 4955042.4
- Elevation
- 1401.21 m
- Azimuth
- 270.34 °
- Dip
- -54.57 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Metal Equivalent
- Metal Eq. Grade
- 15.4
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This reconnaissance intercept shows low silver grades over a narrow length, with undisclosed metal equivalent assumptions.
Positive factors
- Reconnaissance drilling
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
- Metal Equivalent Opaque
Evidence · table
“14.2”
Context: 18.29
HER-25-16Leviathan · silverGrade: 42.7Grade Unit: g/tIntercept: 1.52 mView all detailsHide details
Identity
- Hole ID
- HER-25-16
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 42.7
- Grade Unit
- g/t
- Intercept
- 1.52 m
- From
- 886.97 m
- To
- 888.49 m
- Hole Depth
- 1068.32 m
- Intercept Depth
- 886.97 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-16:886.97-888.49
- Mining Method
- open_pit
Location
- Easting
- 512628.9
- Northing
- 4955042.4
- Elevation
- 1401.21 m
- Azimuth
- 270.34 °
- Dip
- -54.57 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Metal Equivalent
- Metal Eq. Grade
- 44.4
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This reconnaissance intercept shows moderate silver grades over a very narrow length, with undisclosed metal equivalent assumptions.
Positive factors
- Reconnaissance drilling
- Moderate silver grade
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
- Metal Equivalent Opaque
Evidence · table
“42.7”
Context: 1.52
HER-25-16Leviathan · silverGrade: 342Grade Unit: g/tIntercept: 1.52 mView all detailsHide details
Identity
- Hole ID
- HER-25-16
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 342
- Grade Unit
- g/t
- Intercept
- 1.52 m
- From
- 1011.94 m
- To
- 1013.46 m
- Hole Depth
- 1068.32 m
- Intercept Depth
- 1011.94 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-16:1011.94-1013.46
- Mining Method
- open_pit
Location
- Easting
- 512628.9
- Northing
- 4955042.4
- Elevation
- 1401.21 m
- Azimuth
- 270.34 °
- Dip
- -54.57 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Metal Equivalent
- Metal Eq. Grade
- 342.5
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This reconnaissance intercept shows strong silver grades over a very narrow length, with undisclosed metal equivalent assumptions.
Positive factors
- Reconnaissance drilling
- Strong silver grade
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
- Metal Equivalent Opaque
Evidence · table
“342.0”
Context: 1.52
HER-25-22Leviathan · silverGrade: 7.5Grade Unit: g/tIntercept: 71.63 mView all detailsHide details
Identity
- Hole ID
- HER-25-22
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 7.5
- Grade Unit
- g/t
- Intercept
- 71.63 m
- From
- 396.24 m
- To
- 467.87 m
- Hole Depth
- 890.02 m
- Intercept Depth
- 396.24 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-22:396.24-467.87
- Mining Method
- open_pit
Location
- Easting
- 512644.6
- Northing
- 4954738.73
- Elevation
- 1397.09 m
- Azimuth
- 214.96 °
- Dip
- -70.43 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Metal Equivalent
- Metal Eq. Grade
- 12.5
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This reconnaissance intercept shows low silver grades over a good length, with undisclosed metal equivalent assumptions.
Positive factors
- Reconnaissance drilling
- Good interval length
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
- Metal Equivalent Opaque
Evidence · table
“7.5”
Context: 71.63
HER-25-23Leviathan · silverGrade: 3.4Grade Unit: g/tIntercept: 268.22 mView all detailsHide details
Identity
- Hole ID
- HER-25-23
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 3.4
- Grade Unit
- g/t
- Intercept
- 268.22 m
- From
- 167.64 m
- To
- 435.86 m
- Hole Depth
- 648.31 m
- Intercept Depth
- 167.64 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-23:167.64-435.86
- Mining Method
- open_pit
Location
- Easting
- 512417
- Northing
- 4954325.97
- Elevation
- 1267.92 m
- Azimuth
- 220 °
- Dip
- -69.52 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Metal Equivalent
- Metal Eq. Grade
- 12.1
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This reconnaissance intercept shows low silver grades over a very long length, with undisclosed metal equivalent assumptions.
Positive factors
- Reconnaissance drilling
- Very long interval length
Negative factors
- Low silver grade
- Apparent Width Only
- Cut-off Undisclosed
- Metal Equivalent Opaque
Evidence · table
“3.4”
Context: 268.22
HER-25-23Leviathan · silverGrade: 7.8Grade Unit: g/tIntercept: 41.15 mView all detailsHide details
Identity
- Hole ID
- HER-25-23
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 7.8
- Grade Unit
- g/t
- Intercept
- 41.15 m
- From
- 347.47 m
- To
- 388.62 m
- Hole Depth
- 648.31 m
- Intercept Depth
- 347.47 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-23:347.47-388.62
- Mining Method
- open_pit
Location
- Easting
- 512417
- Northing
- 4954325.97
- Elevation
- 1267.92 m
- Azimuth
- 220 °
- Dip
- -69.52 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Metal Equivalent
- Metal Eq. Grade
- 33.4
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This reconnaissance sub-interval shows moderate silver grades over a good length, with undisclosed metal equivalent assumptions.
Positive factors
- Reconnaissance drilling
- Moderate silver grade
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
- Metal Equivalent Opaque
Evidence · table
“7.8”
Context: 41.15
HER-25-23Leviathan · silverGrade: 10.1Grade Unit: g/tIntercept: 30.48 mView all detailsHide details
Identity
- Hole ID
- HER-25-23
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 10.1
- Grade Unit
- g/t
- Intercept
- 30.48 m
- From
- 358.14 m
- To
- 388.62 m
- Hole Depth
- 648.31 m
- Intercept Depth
- 358.14 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-23:358.14-388.62
- Mining Method
- open_pit
Location
- Easting
- 512417
- Northing
- 4954325.97
- Elevation
- 1267.92 m
- Azimuth
- 220 °
- Dip
- -69.52 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Metal Equivalent
- Metal Eq. Grade
- 41.6
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This reconnaissance sub-interval shows moderate silver grades over a good length, with undisclosed metal equivalent assumptions.
Positive factors
- Reconnaissance drilling
- Moderate silver grade
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
- Metal Equivalent Opaque
Evidence · table
“10.1”
Context: 30.48
HER-25-23Leviathan · silverGrade: 24.8Grade Unit: g/tIntercept: 9.14 mView all detailsHide details
Identity
- Hole ID
- HER-25-23
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 24.8
- Grade Unit
- g/t
- Intercept
- 9.14 m
- From
- 379.48 m
- To
- 388.62 m
- Hole Depth
- 648.31 m
- Intercept Depth
- 379.48 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- HER-25-23:379.48-388.62
- Mining Method
- open_pit
Location
- Easting
- 512417
- Northing
- 4954325.97
- Elevation
- 1267.92 m
- Azimuth
- 220 °
- Dip
- -69.52 °
- Loc. Confidence
- high
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Metal Equivalent
- Metal Eq. Grade
- 98
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This reconnaissance sub-interval shows moderate silver and strong zinc grades over a narrow length, with undisclosed metal equivalent assumptions.
Positive factors
- Reconnaissance drilling
- Moderate silver grade
- Strong zinc grade
Negative factors
- Apparent Width Only
- Cut-off Undisclosed
- Metal Equivalent Opaque
Evidence · table
“24.8”
Context: 9.14
HER-25-06Leviathan · silverGrade: 257.2Grade Unit: g/tIntercept: 10.7 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- HER-25-06
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 257.2
- Grade Unit
- g/t
- Intercept
- 10.7 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Mining Method
- open_pit
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Metal Equivalent
- Metal Eq. Grade
- 420.5
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This is a previously reported, high-grade silver intercept from reconnaissance drilling, with metal equivalent assumptions undisclosed.
Negative factors
- Stale Data Re-release
- Metal Equivalent Opaque
- Cut-off Undisclosed
- Apparent Width Only
Evidence · text
“10.7 m of 257.2 g/t Ag, 2.18% Pb, and 4.62% Zn (420.5 g/t AgEq)”
HER-25-06Leviathan · leadGrade: 2.18Grade Unit: %Intercept: 10.7 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- HER-25-06
- Project
- Leviathan
- Commodity
- lead
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 2.18
- Grade Unit
- %
- Intercept
- 10.7 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Mining Method
- open_pit
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This is a previously reported, moderate-grade lead intercept from reconnaissance drilling.
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
- Apparent Width Only
Evidence · text
“10.7 m of 257.2 g/t Ag, 2.18% Pb, and 4.62% Zn (420.5 g/t AgEq)”
HER-25-06Leviathan · zincGrade: 4.62Grade Unit: %Intercept: 10.7 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- HER-25-06
- Project
- Leviathan
- Commodity
- zinc
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 4.62
- Grade Unit
- %
- Intercept
- 10.7 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Mining Method
- open_pit
QA/QC
- Laboratory
- MSA Labs
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates, blanks
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: This is a previously reported, moderate-grade zinc intercept from reconnaissance drilling.
Negative factors
- Stale Data Re-release
- Cut-off Undisclosed
- Apparent Width Only
Evidence · text
“10.7 m of 257.2 g/t Ag, 2.18% Pb, and 4.62% Zn (420.5 g/t AgEq)”
HER-25-18Leviathan · moGrade: 95Grade Unit: ppmIntercept: 670.44 mView all detailsHide details
Identity
- Hole ID
- HER-25-18
- Project
- Leviathan
- Commodity
- mo
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 95
- Grade Unit
- ppm
- Intercept
- 670.44 m
- From
- 172.21 m
- To
- 842.65 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-18:172.21-842.65
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table: 95 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“95”
Context: HER-25-18
HER-25-18Leviathan · silverGrade: 4Grade Unit: g/tIntercept: 670.44 mView all detailsHide details
Identity
- Hole ID
- HER-25-18
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 4
- Grade Unit
- g/t
- Intercept
- 670.44 m
- From
- 172.21 m
- To
- 842.65 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-18:172.21-842.65
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 4 g/t silver is moderate against the default band [500, 200, 100, 30] g/t. Grade×width 2681.8 g/t·m is moderate (grade alone is below; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“4.0”
Context: HER-25-18
IncludingLeviathan · copperGrade: 0.67Grade Unit: %Intercept: 212.81 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.67
- Grade Unit
- %
- Intercept
- 212.81 m
- From
- 188 m
- To
- 400.81 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:188-400.81
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.67 % copper is strong against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 142.6 %·m is moderate (grade alone is strong; the better of the two is used).
Positive factors
- 0.67 % copper is strong on the porphyry deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.67”
Context: Including
IncludingLeviathan · moGrade: 128Grade Unit: ppmIntercept: 212.81 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- mo
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 128
- Grade Unit
- ppm
- Intercept
- 212.81 m
- From
- 188 m
- To
- 400.81 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:188-400.81
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table: 128 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“128”
Context: Including
IncludingLeviathan · silverGrade: 10.2Grade Unit: g/tIntercept: 212.81 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 10.2
- Grade Unit
- g/t
- Intercept
- 212.81 m
- From
- 188 m
- To
- 400.81 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:188-400.81
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 10.2 g/t silver is moderate against the default band [500, 200, 100, 30] g/t. Grade×width 2170.7 g/t·m is moderate (grade alone is below; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“10.2”
Context: Including
IncludingLeviathan · copperGrade: 1.06Grade Unit: %Intercept: 57.36 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 1.06
- Grade Unit
- %
- Intercept
- 57.36 m
- From
- 188 m
- To
- 245.36 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:188-245.36
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 1.06 % copper is exceptional against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 60.8 %·m is moderate (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.06 % copper is exceptional on the porphyry deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.06”
Context: Including
IncludingLeviathan · moGrade: 112Grade Unit: ppmIntercept: 57.36 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- mo
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 112
- Grade Unit
- ppm
- Intercept
- 57.36 m
- From
- 188 m
- To
- 245.36 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:188-245.36
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table: 112 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“112”
Context: Including
IncludingLeviathan · silverGrade: 3.6Grade Unit: g/tIntercept: 57.36 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 3.6
- Grade Unit
- g/t
- Intercept
- 57.36 m
- From
- 188 m
- To
- 245.36 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:188-245.36
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 3.6 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 206.5 g/t·m is weak (grade alone is below; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“3.6”
Context: Including
IncludingLeviathan · copperGrade: 0.49Grade Unit: %Intercept: 140.09 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.49
- Grade Unit
- %
- Intercept
- 140.09 m
- From
- 702.56 m
- To
- 842.65 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:702.56-842.65
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.49 % copper is strong against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 68.6 %·m is moderate (grade alone is strong; the better of the two is used).
Positive factors
- 0.49 % copper is strong on the porphyry deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.49”
Context: Including
IncludingLeviathan · moGrade: 84Grade Unit: ppmIntercept: 140.09 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- mo
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 84
- Grade Unit
- ppm
- Intercept
- 140.09 m
- From
- 702.56 m
- To
- 842.65 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:702.56-842.65
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table: 84 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“84”
Context: Including
IncludingLeviathan · silverGrade: 0.8Grade Unit: g/tIntercept: 140.09 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.8
- Grade Unit
- g/t
- Intercept
- 140.09 m
- From
- 702.56 m
- To
- 842.65 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:702.56-842.65
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.8 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 112.1 g/t·m is below.
Negative factors
- 0.8 g/t silver is below the weak threshold (30 g/t) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.8”
Context: Including
HER-25-13Leviathan · moGrade: 17Grade Unit: ppmIntercept: 12.31 mView all detailsHide details
Identity
- Hole ID
- HER-25-13
- Project
- Leviathan
- Commodity
- mo
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 17
- Grade Unit
- ppm
- Intercept
- 12.31 m
- From
- 289.56 m
- To
- 301.87 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-13:289.56-301.87
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table: 17 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“17”
Context: HER-25-13
HER-25-13Leviathan · silverGrade: 1.7Grade Unit: g/tIntercept: 12.31 mView all detailsHide details
Identity
- Hole ID
- HER-25-13
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 1.7
- Grade Unit
- g/t
- Intercept
- 12.31 m
- From
- 289.56 m
- To
- 301.87 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-13:289.56-301.87
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 1.7 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 20.9 g/t·m is below.
Negative factors
- 1.7 g/t silver is below the weak threshold (30 g/t) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.7”
Context: HER-25-13
HER-25-14Leviathan · moGrade: 4Grade Unit: ppmIntercept: 6.09 mView all detailsHide details
Identity
- Hole ID
- HER-25-14
- Project
- Leviathan
- Commodity
- mo
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 4
- Grade Unit
- ppm
- Intercept
- 6.09 m
- From
- 399.29 m
- To
- 405.38 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-14:399.29-405.38
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table: 4 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“4”
Context: HER-25-14
HER-25-14Leviathan · silverGrade: 12.4Grade Unit: g/tIntercept: 6.09 mView all detailsHide details
Identity
- Hole ID
- HER-25-14
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 12.4
- Grade Unit
- g/t
- Intercept
- 6.09 m
- From
- 399.29 m
- To
- 405.38 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-14:399.29-405.38
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 12.4 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 75.5 g/t·m is below.
Negative factors
- 12.4 g/t silver is below the weak threshold (30 g/t) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“12.4”
Context: HER-25-14
ANDLeviathan · copperGrade: 0.57Grade Unit: %Intercept: 10.66 mView all detailsHide details
Identity
- Hole ID
- AND
- Project
- Leviathan
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.57
- Grade Unit
- %
- Intercept
- 10.66 m
- From
- 478.54 m
- To
- 489.2 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- AND:478.54-489.2
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.57 % copper is strong against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 6.1 %·m is below (grade alone is strong; the better of the two is used).
Positive factors
- 0.57 % copper is strong on the porphyry deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.57”
Context: AND
ANDLeviathan · moGrade: 21Grade Unit: ppmIntercept: 10.66 mView all detailsHide details
Identity
- Hole ID
- AND
- Project
- Leviathan
- Commodity
- mo
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 21
- Grade Unit
- ppm
- Intercept
- 10.66 m
- From
- 478.54 m
- To
- 489.2 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- AND:478.54-489.2
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table: 21 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“21”
Context: AND
ANDLeviathan · silverGrade: 1.1Grade Unit: g/tIntercept: 10.66 mView all detailsHide details
Identity
- Hole ID
- AND
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 1.1
- Grade Unit
- g/t
- Intercept
- 10.66 m
- From
- 478.54 m
- To
- 489.2 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- AND:478.54-489.2
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 1.1 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 11.7 g/t·m is below.
Negative factors
- 1.1 g/t silver is below the weak threshold (30 g/t) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.1”
Context: AND
ANDLeviathan · copperGrade: 0.31Grade Unit: %Intercept: 235.98 mView all detailsHide details
Identity
- Hole ID
- AND
- Project
- Leviathan
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.31
- Grade Unit
- %
- Intercept
- 235.98 m
- From
- 541.26 m
- To
- 777.24 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- AND:541.26-777.24
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.31 % copper is moderate against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 73.2 %·m is moderate.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.31”
Context: AND
ANDLeviathan · moGrade: 95Grade Unit: ppmIntercept: 235.98 mView all detailsHide details
Identity
- Hole ID
- AND
- Project
- Leviathan
- Commodity
- mo
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 95
- Grade Unit
- ppm
- Intercept
- 235.98 m
- From
- 541.26 m
- To
- 777.24 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- AND:541.26-777.24
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table: 95 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“95”
Context: AND
ANDLeviathan · silverGrade: 0.9Grade Unit: g/tIntercept: 235.98 mView all detailsHide details
Identity
- Hole ID
- AND
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.9
- Grade Unit
- g/t
- Intercept
- 235.98 m
- From
- 541.26 m
- To
- 777.24 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- AND:541.26-777.24
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.9 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 212.4 g/t·m is weak (grade alone is below; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.9”
Context: AND
IncludingLeviathan · copperGrade: 0.47Grade Unit: %Intercept: 76.81 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.47
- Grade Unit
- %
- Intercept
- 76.81 m
- From
- 638.56 m
- To
- 715.37 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:638.56-715.37
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.47 % copper is strong against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 36.1 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 0.47 % copper is strong on the porphyry deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.47”
Context: Including
IncludingLeviathan · moGrade: 175Grade Unit: ppmIntercept: 76.81 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- mo
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 175
- Grade Unit
- ppm
- Intercept
- 76.81 m
- From
- 638.56 m
- To
- 715.37 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:638.56-715.37
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table: 175 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“175”
Context: Including
IncludingLeviathan · silverGrade: 1.4Grade Unit: g/tIntercept: 76.81 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 1.4
- Grade Unit
- g/t
- Intercept
- 76.81 m
- From
- 638.56 m
- To
- 715.37 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:638.56-715.37
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 1.4 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 107.5 g/t·m is below.
Negative factors
- 1.4 g/t silver is below the weak threshold (30 g/t) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.4”
Context: Including
HER-25-20Leviathan · moGrade: 35Grade Unit: ppmIntercept: 300.1 mView all detailsHide details
Identity
- Hole ID
- HER-25-20
- Project
- Leviathan
- Commodity
- mo
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 35
- Grade Unit
- ppm
- Intercept
- 300.1 m
- From
- 158.62 m
- To
- 458.72 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-20:158.62-458.72
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table: 35 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“35”
Context: HER-25-20
HER-25-20Leviathan · silverGrade: 1.2Grade Unit: g/tIntercept: 300.1 mView all detailsHide details
Identity
- Hole ID
- HER-25-20
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 1.2
- Grade Unit
- g/t
- Intercept
- 300.1 m
- From
- 158.62 m
- To
- 458.72 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-20:158.62-458.72
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 1.2 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 360.1 g/t·m is weak (grade alone is below; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.2”
Context: HER-25-20
IncludingLeviathan · copperGrade: 1.55Grade Unit: %Intercept: 39.5 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 1.55
- Grade Unit
- %
- Intercept
- 39.5 m
- From
- 158.62 m
- To
- 198.12 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:158.62-198.12
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 1.55 % copper is exceptional against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 61.2 %·m is moderate (grade alone is exceptional; the better of the two is used).
Positive factors
- 1.55 % copper is exceptional on the porphyry deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.55”
Context: Including
IncludingLeviathan · moGrade: 35Grade Unit: ppmIntercept: 39.5 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- mo
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 35
- Grade Unit
- ppm
- Intercept
- 39.5 m
- From
- 158.62 m
- To
- 198.12 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:158.62-198.12
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table: 35 ppm mo. No grade band defined for this commodity, so the score is a placeholder.
Negative factors
- No grade rubric for mo; intercept not scored.
Evidence · table
“35”
Context: Including
IncludingLeviathan · silverGrade: 2.4Grade Unit: g/tIntercept: 39.5 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 2.4
- Grade Unit
- g/t
- Intercept
- 39.5 m
- From
- 158.62 m
- To
- 198.12 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:158.62-198.12
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 2.4 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 94.8 g/t·m is below.
Negative factors
- 2.4 g/t silver is below the weak threshold (30 g/t) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“2.4”
Context: Including
HER-25-16Leviathan · leadGrade: 0.14Grade Unit: %Intercept: 71.63 mView all detailsHide details
Identity
- Hole ID
- HER-25-16
- Project
- Leviathan
- Commodity
- lead
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.14
- Grade Unit
- %
- Intercept
- 71.63 m
- From
- 574.55 m
- To
- 646.18 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-16:574.55-646.18
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.14 % lead is weak against the default band [10, 6, 3, 1] %. Grade×width 10.0 %·m is weak (grade alone is below; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.14”
Context: HER-25-16
HER-25-16Leviathan · zincGrade: 0.31Grade Unit: %Intercept: 71.63 mView all detailsHide details
Identity
- Hole ID
- HER-25-16
- Project
- Leviathan
- Commodity
- zinc
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.31
- Grade Unit
- %
- Intercept
- 71.63 m
- From
- 574.55 m
- To
- 646.18 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-16:574.55-646.18
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.31 % zinc is weak against the default band [18, 10, 5, 2] %. Grade×width 22.2 %·m is weak (grade alone is below; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.31”
Context: HER-25-16
ANDLeviathan · silverGrade: 27Grade Unit: g/tIntercept: 15.24 mView all detailsHide details
Identity
- Hole ID
- AND
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 27
- Grade Unit
- g/t
- Intercept
- 15.24 m
- From
- 760.48 m
- To
- 775.72 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- AND:760.48-775.72
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 27 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 411.5 g/t·m is weak (grade alone is below; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“27.0”
Context: AND
ANDLeviathan · zincGrade: 0.16Grade Unit: %Intercept: 15.24 mView all detailsHide details
Identity
- Hole ID
- AND
- Project
- Leviathan
- Commodity
- zinc
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.16
- Grade Unit
- %
- Intercept
- 15.24 m
- From
- 760.48 m
- To
- 775.72 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- AND:760.48-775.72
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.16 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 2.4 %·m is below.
Negative factors
- 0.16 % zinc is below the weak threshold (2 %) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.16”
Context: AND
ANDLeviathan · silverGrade: 14.2Grade Unit: g/tIntercept: 18.29 mView all detailsHide details
Identity
- Hole ID
- AND
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 14.2
- Grade Unit
- g/t
- Intercept
- 18.29 m
- From
- 816.86 m
- To
- 835.15 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- AND:816.86-835.15
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 14.2 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 259.7 g/t·m is weak (grade alone is below; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“14.2”
Context: AND
ANDLeviathan · zincGrade: 0.06Grade Unit: %Intercept: 18.29 mView all detailsHide details
Identity
- Hole ID
- AND
- Project
- Leviathan
- Commodity
- zinc
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.06
- Grade Unit
- %
- Intercept
- 18.29 m
- From
- 816.86 m
- To
- 835.15 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- AND:816.86-835.15
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.06 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 1.1 %·m is below.
Negative factors
- 0.06 % zinc is below the weak threshold (2 %) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.06”
Context: AND
ANDLeviathan · silverGrade: 42.7Grade Unit: g/tIntercept: 1.52 mView all detailsHide details
Identity
- Hole ID
- AND
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 42.7
- Grade Unit
- g/t
- Intercept
- 1.52 m
- From
- 886.97 m
- To
- 888.49 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- AND:886.97-888.49
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 42.7 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 64.9 g/t·m is below (grade alone is weak; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“42.7”
Context: AND
ANDLeviathan · zincGrade: 0.08Grade Unit: %Intercept: 1.52 mView all detailsHide details
Identity
- Hole ID
- AND
- Project
- Leviathan
- Commodity
- zinc
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.08
- Grade Unit
- %
- Intercept
- 1.52 m
- From
- 886.97 m
- To
- 888.49 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- AND:886.97-888.49
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.08 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.1 %·m is below.
Negative factors
- 0.08 % zinc is below the weak threshold (2 %) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.08”
Context: AND
ANDLeviathan · silverGrade: 342Grade Unit: g/tIntercept: 1.52 mView all detailsHide details
Identity
- Hole ID
- AND
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 342
- Grade Unit
- g/t
- Intercept
- 1.52 m
- From
- 1011.94 m
- To
- 1013.46 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- AND:1011.94-1013.46
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 342 g/t silver is strong against the default band [500, 200, 100, 30] g/t. Grade×width 519.8 g/t·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 342 g/t silver is strong on the default band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“342.0”
Context: AND
ANDLeviathan · zincGrade: 0.02Grade Unit: %Intercept: 1.52 mView all detailsHide details
Identity
- Hole ID
- AND
- Project
- Leviathan
- Commodity
- zinc
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.02
- Grade Unit
- %
- Intercept
- 1.52 m
- From
- 1011.94 m
- To
- 1013.46 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- AND:1011.94-1013.46
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.02 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 0.0 %·m is below.
Negative factors
- 0.02 % zinc is below the weak threshold (2 %) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.02”
Context: AND
HER-25-22Leviathan · leadGrade: 0.02Grade Unit: %Intercept: 71.63 mView all detailsHide details
Identity
- Hole ID
- HER-25-22
- Project
- Leviathan
- Commodity
- lead
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.02
- Grade Unit
- %
- Intercept
- 71.63 m
- From
- 396.24 m
- To
- 467.87 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-22:396.24-467.87
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.02 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 1.4 %·m is below.
Negative factors
- 0.02 % lead is below the weak threshold (1 %) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.02”
Context: HER-25-22
HER-25-22Leviathan · zincGrade: 0.2Grade Unit: %Intercept: 71.63 mView all detailsHide details
Identity
- Hole ID
- HER-25-22
- Project
- Leviathan
- Commodity
- zinc
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.2
- Grade Unit
- %
- Intercept
- 71.63 m
- From
- 396.24 m
- To
- 467.87 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-22:396.24-467.87
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.2 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 14.3 %·m is below.
Negative factors
- 0.2 % zinc is below the weak threshold (2 %) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.20”
Context: HER-25-22
HER-25-23Leviathan · leadGrade: 0.04Grade Unit: %Intercept: 268.22 mView all detailsHide details
Identity
- Hole ID
- HER-25-23
- Project
- Leviathan
- Commodity
- lead
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.04
- Grade Unit
- %
- Intercept
- 268.22 m
- From
- 167.64 m
- To
- 435.86 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-23:167.64-435.86
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.04 % lead is weak against the default band [10, 6, 3, 1] %. Grade×width 10.7 %·m is weak (grade alone is below; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.04”
Context: HER-25-23
HER-25-23Leviathan · zincGrade: 0.36Grade Unit: %Intercept: 268.22 mView all detailsHide details
Identity
- Hole ID
- HER-25-23
- Project
- Leviathan
- Commodity
- zinc
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.36
- Grade Unit
- %
- Intercept
- 268.22 m
- From
- 167.64 m
- To
- 435.86 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-23:167.64-435.86
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.36 % zinc is moderate against the default band [18, 10, 5, 2] %. Grade×width 96.6 %·m is moderate (grade alone is below; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.36”
Context: HER-25-23
IncludingLeviathan · silverGrade: 7.8Grade Unit: g/tIntercept: 41.15 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 7.8
- Grade Unit
- g/t
- Intercept
- 41.15 m
- From
- 347.47 m
- To
- 388.62 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:347.47-388.62
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 7.8 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 321.0 g/t·m is weak (grade alone is below; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“7.8”
Context: Including
IncludingLeviathan · leadGrade: 0.12Grade Unit: %Intercept: 41.15 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- lead
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.12
- Grade Unit
- %
- Intercept
- 41.15 m
- From
- 347.47 m
- To
- 388.62 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:347.47-388.62
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.12 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 4.9 %·m is below.
Negative factors
- 0.12 % lead is below the weak threshold (1 %) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.12”
Context: Including
IncludingLeviathan · zincGrade: 1.04Grade Unit: %Intercept: 41.15 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- zinc
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 1.04
- Grade Unit
- %
- Intercept
- 41.15 m
- From
- 347.47 m
- To
- 388.62 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:347.47-388.62
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 1.04 % zinc is moderate against the default band [18, 10, 5, 2] %. Grade×width 42.8 %·m is moderate (grade alone is below; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.04”
Context: Including
IncludingLeviathan · silverGrade: 10.1Grade Unit: g/tIntercept: 30.48 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 10.1
- Grade Unit
- g/t
- Intercept
- 30.48 m
- From
- 358.14 m
- To
- 388.62 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:358.14-388.62
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 10.1 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 307.8 g/t·m is weak (grade alone is below; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“10.1”
Context: Including
IncludingLeviathan · leadGrade: 0.15Grade Unit: %Intercept: 30.48 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- lead
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.15
- Grade Unit
- %
- Intercept
- 30.48 m
- From
- 358.14 m
- To
- 388.62 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:358.14-388.62
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.15 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 4.6 %·m is below.
Negative factors
- 0.15 % lead is below the weak threshold (1 %) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.15”
Context: Including
IncludingLeviathan · zincGrade: 1.28Grade Unit: %Intercept: 30.48 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- zinc
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 1.28
- Grade Unit
- %
- Intercept
- 30.48 m
- From
- 358.14 m
- To
- 388.62 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:358.14-388.62
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 1.28 % zinc is weak against the default band [18, 10, 5, 2] %. Grade×width 39.0 %·m is weak (grade alone is below; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“1.28”
Context: Including
IncludingLeviathan · silverGrade: 24.8Grade Unit: g/tIntercept: 9.14 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 24.8
- Grade Unit
- g/t
- Intercept
- 9.14 m
- From
- 379.48 m
- To
- 388.62 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:379.48-388.62
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 24.8 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 226.7 g/t·m is weak (grade alone is below; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“24.8”
Context: Including
IncludingLeviathan · leadGrade: 0.37Grade Unit: %Intercept: 9.14 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- lead
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.37
- Grade Unit
- %
- Intercept
- 9.14 m
- From
- 379.48 m
- To
- 388.62 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:379.48-388.62
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 0.37 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 3.4 %·m is below.
Negative factors
- 0.37 % lead is below the weak threshold (1 %) on the default band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.37”
Context: Including
IncludingLeviathan · zincGrade: 2.97Grade Unit: %Intercept: 9.14 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan
- Commodity
- zinc
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 2.97
- Grade Unit
- %
- Intercept
- 9.14 m
- From
- 379.48 m
- To
- 388.62 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:379.48-388.62
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-30T00:00:00.000Z
Reasoning: Expanded from assay table. 2.97 % zinc is weak against the default band [18, 10, 5, 2] %. Grade×width 27.1 %·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“2.97”
Context: Including
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.