Hercules Metals Intersects 788 m of 0.54% Copper Equivalent and 802 m of 0.40% Copper Equivalent 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
- Molybdenum, Silver, Gold
- Document categories
- Drill results
- Extracted
- 2026-08-21 02:23:06 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Hercules Metals has reported significant drill results from the Leviathan Porphyry system in Idaho, including an 801.6 m intercept of 0.40% CuEq. The company also identified a strong new chargeability anomaly at the Hook target and is continuing exploration at the Pegasus target.
Reasoning: The announcement reports very wide, high-grade copper-equivalent intercepts at a porphyry system, extending known mineralization and identifying new targets via IP.
Positive factors
- significant intercept width
- high-grade near-surface intercepts
- extension of known mineralization
- strong geophysical anomalies
Negative factors
- true width not disclosed
Facts used in scoring: 44
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: HER-25-21 extends Leviathan's Footwall Zone to the southwest.
Evidence · text
“extends Leviathan's Footwall Zone to the southwest”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release includes detailed QA/QC protocols, lab certification (ISO 17025), and QP sign-off.
Evidence · text
“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 states that insufficient data is available to state the true thickness of the mineralized intervals.
Evidence · text
“insufficient data are available at this time to state the true thickness”
Extracted facts
Stored fact records: 44. Some facts used in scoring do not have a stored record.
Drill Results (44)
HER-25-18Leviathan Porphyry · copperGrade: 0.43Grade Unit: %Intercept: 787.91 mView all detailsHide details
Identity
- Hole ID
- HER-25-18
- Project
- Leviathan Porphyry
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.43
- Grade Unit
- %
- Intercept
- 787.91 m
- From
- 172.21 m
- To
- 960.12 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-18:172.21-960.12
- 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
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: 787.9m intercept is extremely wide for a porphyry system.
Positive factors
- exceptional width
Negative factors
- apparent width only
Evidence · table
“0.43”
Context: 787.91
HER-25-18Leviathan Porphyry · molybdenumGrade: 91Grade Unit: ppmIntercept: 787.91 mView all detailsHide details
Identity
- Hole ID
- HER-25-18
- Project
- Leviathan Porphyry
- Commodity
- molybdenum
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 91
- Grade Unit
- ppm
- Intercept
- 787.91 m
- From
- 172.21 m
- To
- 960.12 m
Classification
- Sample Type
- drill
- Group ID
- HER-25-18:172.21-960.12
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Molybdenum reported as a byproduct in a large copper intercept.
Evidence · table
“91”
Context: 787.91
HER-25-18Leviathan Porphyry · silverGrade: 3.5Grade Unit: g/tIntercept: 787.91 mView all detailsHide details
Identity
- Hole ID
- HER-25-18
- Project
- Leviathan Porphyry
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 3.5
- Grade Unit
- g/t
- Intercept
- 787.91 m
- From
- 172.21 m
- To
- 960.12 m
Classification
- Sample Type
- drill
- Group ID
- HER-25-18:172.21-960.12
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Silver reported as a byproduct.
Evidence · table
“3.5”
Context: 787.91
HER-25-18Leviathan Porphyry · goldGrade: 0.027Grade Unit: g/tIntercept: 787.91 mView all detailsHide details
Identity
- Hole ID
- HER-25-18
- Project
- Leviathan Porphyry
- Commodity
- gold
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.027
- Grade Unit
- g/t
- Intercept
- 787.91 m
- From
- 172.21 m
- To
- 960.12 m
Classification
- Sample Type
- drill
- Group ID
- HER-25-18:172.21-960.12
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Gold reported as a byproduct.
Evidence · table
“0.027”
Context: 787.91
HER-25-18Leviathan Porphyry · copperGrade: 0.67Grade Unit: %Intercept: 212.81 mView all detailsHide details
Identity
- Hole ID
- HER-25-18
- Project
- Leviathan Porphyry
- 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
- Sample Type
- drill
- Group ID
- HER-25-18:188.0-400.81
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Strong high-grade sub-interval within the main intercept.
Positive factors
- high grade
Evidence · table
“0.67”
Context: 212.81
HER-25-18Leviathan Porphyry · copperGrade: 1.06Grade Unit: %Intercept: 57.36 mView all detailsHide details
Identity
- Hole ID
- HER-25-18
- Project
- Leviathan Porphyry
- 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
- Sample Type
- drill
- Group ID
- HER-25-18:188.0-245.36
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: High grade intercept at the top of the system.
Positive factors
- Bonanza Intercept
Evidence · table
“1.06”
Context: 57.36
HER-25-21Leviathan Porphyry · copperGrade: 0.3Grade Unit: %Intercept: 801.62 mView all detailsHide details
Identity
- Hole ID
- HER-25-21
- Project
- Leviathan Porphyry
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.3
- Grade Unit
- %
- Intercept
- 801.62 m
- From
- 224.03 m
- To
- 1025.65 m
Classification
- Sample Type
- drill
- Group ID
- HER-25-21:224.03-1025.65
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Extremely wide intercept extending the footwall zone.
Positive factors
- exceptional width
Evidence · table
“0.30”
Context: 801.62
HER-25-21Leviathan Porphyry · copperGrade: 0.22Grade Unit: %Intercept: 21.33 mView all detailsHide details
Identity
- Hole ID
- HER-25-21
- Project
- Leviathan Porphyry
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.22
- Grade Unit
- %
- Intercept
- 21.33 m
- From
- 224.03 m
- To
- 245.36 m
Classification
- Sample Type
- drill
- Group ID
- HER-25-21:224.03-245.36
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: High silver grade sub-interval.
Evidence · table
“0.22”
Context: 21.33
HER-25-24Leviathan Porphyry · copperGrade: 1.28Grade Unit: %Intercept: 17.84 mView all detailsHide details
Identity
- Hole ID
- HER-25-24
- Project
- Leviathan Porphyry
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 1.28
- Grade Unit
- %
- Intercept
- 17.84 m
- From
- 236.52 m
- To
- 254.36 m
Classification
- Sample Type
- drill
- Group ID
- HER-25-24:236.52-254.36
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: High grade intercept at the top of the system.
Positive factors
- Bonanza Intercept
Evidence · table
“1.28”
Context: 17.84
HER-25-18Leviathan Porphyry · moGrade: 91Grade Unit: ppmIntercept: 787.91 mView all detailsHide details
Identity
- Hole ID
- HER-25-18
- Project
- Leviathan Porphyry
- Commodity
- mo
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 91
- Grade Unit
- ppm
- Intercept
- 787.91 m
- From
- 172.21 m
- To
- 960.12 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-18:172.21-960.12
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table: 91 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
“91”
Context: HER-25-18
IncludingLeviathan Porphyry · copperGrade: 0.67Grade Unit: %Intercept: 212.81 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- 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
- 2026-06-16T00:00:00.000Z
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 Porphyry · moGrade: 128Grade Unit: ppmIntercept: 212.81 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- 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
- 2026-06-16T00:00:00.000Z
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 Porphyry · silverGrade: 10.2Grade Unit: g/tIntercept: 212.81 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- 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
- 2026-06-16T00:00:00.000Z
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 Porphyry · goldGrade: 0.047Grade Unit: g/tIntercept: 212.81 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- Commodity
- gold
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.047
- 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
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 0.047 g/t gold is weak against the porphyry deposit band [1, 0.5, 0.3, 0.15] g/t. Grade×width 10.0 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
“0.047”
Context: Including
IncludingLeviathan Porphyry · copperGrade: 1.06Grade Unit: %Intercept: 57.36 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- 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
- 2026-06-16T00:00:00.000Z
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 Porphyry · moGrade: 112Grade Unit: ppmIntercept: 57.36 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- 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
- 2026-06-16T00:00:00.000Z
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 Porphyry · silverGrade: 3.6Grade Unit: g/tIntercept: 57.36 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- 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
- 2026-06-16T00:00:00.000Z
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 Porphyry · goldGrade: 0.036Grade Unit: g/tIntercept: 57.36 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- Commodity
- gold
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.036
- 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
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 0.036 g/t gold is below against the porphyry deposit band [1, 0.5, 0.3, 0.15] g/t. Grade×width 2.1 g/t·m is below.
Negative factors
- 0.036 g/t gold is below the weak threshold (0.15 g/t) on the porphyry deposit band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.036”
Context: Including
HER-25-21Leviathan Porphyry · moGrade: 82Grade Unit: ppmIntercept: 801.62 mView all detailsHide details
Identity
- Hole ID
- HER-25-21
- Project
- Leviathan Porphyry
- Commodity
- mo
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 82
- Grade Unit
- ppm
- Intercept
- 801.62 m
- From
- 224.03 m
- To
- 1025.65 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-21:224.03-1025.65
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table: 82 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
“82”
Context: HER-25-21
HER-25-21Leviathan Porphyry · silverGrade: 5.3Grade Unit: g/tIntercept: 801.62 mView all detailsHide details
Identity
- Hole ID
- HER-25-21
- Project
- Leviathan Porphyry
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 5.3
- Grade Unit
- g/t
- Intercept
- 801.62 m
- From
- 224.03 m
- To
- 1025.65 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-21:224.03-1025.65
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 5.3 g/t silver is strong against the default band [500, 200, 100, 30] g/t. Grade×width 4248.6 g/t·m is strong (grade alone is below; the better of the two is used).
Positive factors
- 5.3 g/t silver is strong on the default band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“5.3”
Context: HER-25-21
HER-25-21Leviathan Porphyry · goldGrade: 0.01Grade Unit: g/tIntercept: 801.62 mView all detailsHide details
Identity
- Hole ID
- HER-25-21
- Project
- Leviathan Porphyry
- Commodity
- gold
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.01
- Grade Unit
- g/t
- Intercept
- 801.62 m
- From
- 224.03 m
- To
- 1025.65 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-21:224.03-1025.65
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 0.01 g/t gold is below against the porphyry deposit band [1, 0.5, 0.3, 0.15] g/t. Grade×width 8.0 g/t·m is below.
Negative factors
- 0.01 g/t gold is below the weak threshold (0.15 g/t) on the porphyry deposit band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.010”
Context: HER-25-21
IncludingLeviathan Porphyry · copperGrade: 0.22Grade Unit: %Intercept: 21.33 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.22
- Grade Unit
- %
- Intercept
- 21.33 m
- From
- 224.03 m
- To
- 245.36 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:224.03-245.36
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 0.22 % copper is weak against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 4.7 %·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
“0.22”
Context: Including
IncludingLeviathan Porphyry · moGrade: 33Grade Unit: ppmIntercept: 21.33 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- Commodity
- mo
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 33
- Grade Unit
- ppm
- Intercept
- 21.33 m
- From
- 224.03 m
- To
- 245.36 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:224.03-245.36
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table: 33 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
“33”
Context: Including
IncludingLeviathan Porphyry · silverGrade: 165.7Grade Unit: g/tIntercept: 21.33 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 165.7
- Grade Unit
- g/t
- Intercept
- 21.33 m
- From
- 224.03 m
- To
- 245.36 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:224.03-245.36
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 165.7 g/t silver is strong against the default band [500, 200, 100, 30] g/t. Grade×width 3534.4 g/t·m is strong (grade alone is moderate; the better of the two is used).
Positive factors
- 165.7 g/t silver is strong on the default band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“165.7”
Context: Including
IncludingLeviathan Porphyry · goldGrade: 0.005Grade Unit: g/tIntercept: 21.33 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- Commodity
- gold
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.005
- Grade Unit
- g/t
- Intercept
- 21.33 m
- From
- 224.03 m
- To
- 245.36 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:224.03-245.36
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 0.005 g/t gold is below against the porphyry deposit band [1, 0.5, 0.3, 0.15] g/t. Grade×width 0.1 g/t·m is below.
Negative factors
- 0.005 g/t gold is below the weak threshold (0.15 g/t) on the porphyry deposit band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.005”
Context: Including
IncludingLeviathan Porphyry · copperGrade: 0.43Grade Unit: %Intercept: 107.83 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.43
- Grade Unit
- %
- Intercept
- 107.83 m
- From
- 427.09 m
- To
- 534.92 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:427.09-534.92
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 0.43 % copper is strong against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 46.4 %·m is weak (grade alone is strong; the better of the two is used).
Positive factors
- 0.43 % copper is strong on the porphyry deposit band.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.43”
Context: Including
IncludingLeviathan Porphyry · moGrade: 104Grade Unit: ppmIntercept: 107.83 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- Commodity
- mo
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 104
- Grade Unit
- ppm
- Intercept
- 107.83 m
- From
- 427.09 m
- To
- 534.92 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:427.09-534.92
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table: 104 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
“104”
Context: Including
IncludingLeviathan Porphyry · silverGrade: 1.8Grade Unit: g/tIntercept: 107.83 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 1.8
- Grade Unit
- g/t
- Intercept
- 107.83 m
- From
- 427.09 m
- To
- 534.92 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:427.09-534.92
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 1.8 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 194.1 g/t·m is below.
Negative factors
- 1.8 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
“1.8”
Context: Including
IncludingLeviathan Porphyry · goldGrade: 0.023Grade Unit: g/tIntercept: 107.83 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- Commodity
- gold
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.023
- Grade Unit
- g/t
- Intercept
- 107.83 m
- From
- 427.09 m
- To
- 534.92 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:427.09-534.92
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 0.023 g/t gold is below against the porphyry deposit band [1, 0.5, 0.3, 0.15] g/t. Grade×width 2.5 g/t·m is below.
Negative factors
- 0.023 g/t gold is below the weak threshold (0.15 g/t) on the porphyry deposit band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.023”
Context: Including
IncludingLeviathan Porphyry · copperGrade: 0.39Grade Unit: %Intercept: 206.28 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.39
- Grade Unit
- %
- Intercept
- 206.28 m
- From
- 661.42 m
- To
- 867.7 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:661.42-867.7
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 0.39 % copper is moderate against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 80.4 %·m is moderate.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.39”
Context: Including
IncludingLeviathan Porphyry · moGrade: 98Grade Unit: ppmIntercept: 206.28 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- Commodity
- mo
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 98
- Grade Unit
- ppm
- Intercept
- 206.28 m
- From
- 661.42 m
- To
- 867.7 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:661.42-867.7
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table: 98 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
“98”
Context: Including
IncludingLeviathan Porphyry · silverGrade: 0.7Grade Unit: g/tIntercept: 206.28 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.7
- Grade Unit
- g/t
- Intercept
- 206.28 m
- From
- 661.42 m
- To
- 867.7 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:661.42-867.7
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 0.7 g/t silver is below against the default band [500, 200, 100, 30] g/t. Grade×width 144.4 g/t·m is below.
Negative factors
- 0.7 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
“0.7”
Context: Including
IncludingLeviathan Porphyry · goldGrade: 0.009Grade Unit: g/tIntercept: 206.28 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- Commodity
- gold
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.009
- Grade Unit
- g/t
- Intercept
- 206.28 m
- From
- 661.42 m
- To
- 867.7 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:661.42-867.7
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 0.009 g/t gold is below against the porphyry deposit band [1, 0.5, 0.3, 0.15] g/t. Grade×width 1.9 g/t·m is below.
Negative factors
- 0.009 g/t gold is below the weak threshold (0.15 g/t) on the porphyry deposit band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.009”
Context: Including
HER-25-24Leviathan Porphyry · moGrade: 20Grade Unit: ppmIntercept: 17.84 mView all detailsHide details
Identity
- Hole ID
- HER-25-24
- Project
- Leviathan Porphyry
- Commodity
- mo
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 20
- Grade Unit
- ppm
- Intercept
- 17.84 m
- From
- 236.52 m
- To
- 254.36 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-24:236.52-254.36
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table: 20 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
“20”
Context: HER-25-24
HER-25-24Leviathan Porphyry · silverGrade: 19.7Grade Unit: g/tIntercept: 17.84 mView all detailsHide details
Identity
- Hole ID
- HER-25-24
- Project
- Leviathan Porphyry
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 19.7
- Grade Unit
- g/t
- Intercept
- 17.84 m
- From
- 236.52 m
- To
- 254.36 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-24:236.52-254.36
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 19.7 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 351.4 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
“19.7”
Context: HER-25-24
HER-25-24Leviathan Porphyry · goldGrade: 0.039Grade Unit: g/tIntercept: 17.84 mView all detailsHide details
Identity
- Hole ID
- HER-25-24
- Project
- Leviathan Porphyry
- Commodity
- gold
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.039
- Grade Unit
- g/t
- Intercept
- 17.84 m
- From
- 236.52 m
- To
- 254.36 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- HER-25-24:236.52-254.36
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 0.039 g/t gold is below against the porphyry deposit band [1, 0.5, 0.3, 0.15] g/t. Grade×width 0.7 g/t·m is below.
Negative factors
- 0.039 g/t gold is below the weak threshold (0.15 g/t) on the porphyry deposit band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.039”
Context: HER-25-24
AndLeviathan Porphyry · copperGrade: 0.22Grade Unit: %Intercept: 211.84 mView all detailsHide details
Identity
- Hole ID
- And
- Project
- Leviathan Porphyry
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.22
- Grade Unit
- %
- Intercept
- 211.84 m
- From
- 283.46 m
- To
- 495.3 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- And:283.46-495.3
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 0.22 % copper is weak against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 46.6 %·m is weak.
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.22”
Context: And
AndLeviathan Porphyry · moGrade: 83Grade Unit: ppmIntercept: 211.84 mView all detailsHide details
Identity
- Hole ID
- And
- Project
- Leviathan Porphyry
- Commodity
- mo
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 83
- Grade Unit
- ppm
- Intercept
- 211.84 m
- From
- 283.46 m
- To
- 495.3 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- And:283.46-495.3
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table: 83 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
“83”
Context: And
AndLeviathan Porphyry · silverGrade: 1.9Grade Unit: g/tIntercept: 211.84 mView all detailsHide details
Identity
- Hole ID
- And
- Project
- Leviathan Porphyry
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 1.9
- Grade Unit
- g/t
- Intercept
- 211.84 m
- From
- 283.46 m
- To
- 495.3 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- And:283.46-495.3
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 1.9 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 402.5 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
“1.9”
Context: And
AndLeviathan Porphyry · goldGrade: 0.005Grade Unit: g/tIntercept: 211.84 mView all detailsHide details
Identity
- Hole ID
- And
- Project
- Leviathan Porphyry
- Commodity
- gold
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.005
- Grade Unit
- g/t
- Intercept
- 211.84 m
- From
- 283.46 m
- To
- 495.3 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- And:283.46-495.3
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 0.005 g/t gold is below against the porphyry deposit band [1, 0.5, 0.3, 0.15] g/t. Grade×width 1.1 g/t·m is below.
Negative factors
- 0.005 g/t gold is below the weak threshold (0.15 g/t) on the porphyry deposit band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.005”
Context: And
IncludingLeviathan Porphyry · copperGrade: 0.3Grade Unit: %Intercept: 79.4 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.3
- Grade Unit
- %
- Intercept
- 79.4 m
- From
- 283.46 m
- To
- 362.86 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:283.46-362.86
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 0.3 % copper is moderate against the porphyry deposit band [0.8, 0.4, 0.25, 0.15] %. Grade×width 23.8 %·m is weak (grade alone is moderate; the better of the two is used).
Negative factors
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.30”
Context: Including
IncludingLeviathan Porphyry · moGrade: 32Grade Unit: ppmIntercept: 79.4 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- Commodity
- mo
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 32
- Grade Unit
- ppm
- Intercept
- 79.4 m
- From
- 283.46 m
- To
- 362.86 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:283.46-362.86
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table: 32 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
“32”
Context: Including
IncludingLeviathan Porphyry · silverGrade: 3.9Grade Unit: g/tIntercept: 79.4 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 3.9
- Grade Unit
- g/t
- Intercept
- 79.4 m
- From
- 283.46 m
- To
- 362.86 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:283.46-362.86
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 3.9 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 309.7 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
“3.9”
Context: Including
IncludingLeviathan Porphyry · goldGrade: 0.004Grade Unit: g/tIntercept: 79.4 mView all detailsHide details
Identity
- Hole ID
- Including
- Project
- Leviathan Porphyry
- Commodity
- gold
- Region
- usa_id
- Reported Region
- Idaho
- Ticker
- BIG
Geometry
- Grade
- 0.004
- Grade Unit
- g/t
- Intercept
- 79.4 m
- From
- 283.46 m
- To
- 362.86 m
Classification
- Deposit Type
- porphyry
- Sample Type
- drill
- Group ID
- Including:283.46-362.86
- Mining Method
- open_pit
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-16T00:00:00.000Z
Reasoning: Expanded from assay table. 0.004 g/t gold is below against the porphyry deposit band [1, 0.5, 0.3, 0.15] g/t. Grade×width 0.3 g/t·m is below.
Negative factors
- 0.004 g/t gold is below the weak threshold (0.15 g/t) on the porphyry deposit band.
- Scored from rubric bands during table expansion, not from document context.
Evidence · table
“0.004”
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.