Lahontan Drills 31m Grading 0.90 g/t Au Oxide at Calvada Central
Original announcement by tmx on
- Company
- Lahontan Gold Corp.
- Ticker
- LG
- Exchange
- TSX
- Region
- Nevada
- Primary commodity
- Gold
- Secondary commodities
- Silver
- Document categories
- Drill results, Resource update
- Extracted
- 2026-09-18 06:33:35 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Lahontan Gold Corp. reported significant gold mineralization at the Santa Fe Mine Project, including a 3.25 g/t Au intercept in hole CAL26-03C. The results from Calvada Central and the South Slab Open Pit reinforce the project's resource potential as it advances toward 2027 construction.
Reasoning: The release reports high-grade gold intercepts from holes originally intended for geotechnical work, reinforcing the resource at Calvada Central, supported by robust QA/QC disclosure.
Positive factors
- High-grade gold intercept (3.25 g/t Au) in CAL26-03C
- Significant gold mineralization intercepted in geotechnical holes
- QA/QC protocols clearly disclosed with certified lab (AAL)
- Continuity of mineralization described as excellent
Negative factors
- True width is only estimated (80-100% of drilled interval)
Facts used in scoring: 6
Classification and evidence
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: 3.25 g/t Au intercept in CAL26-03C is noted as high-grade for the deposit.
Evidence · text
“High grade gold mineralization grading 3.25 g/t Au (116.7 – 118.1m) in CAL26-03C”
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, including CRM and blank insertion rates and lab name.
Evidence · text
“Lahontan conducts an industry standard QA/QC program for its core and RC drilling programs.”
Apparent Width Onlynegative
Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.
Why it applies: True thickness is only estimated as a percentage of the drilled interval.
Evidence · text
“True thickness of the intercepts is estimated to be 80-100% of the drilled interval.”
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: A current resource fact retains the disclosed cut-off grade
Extracted facts
Stored fact records: 6. Some facts used in scoring do not have a stored record.
Drill Results (4)
CAL26-03CSanta Fe Mine · goldGrade: 0.93Grade Unit: g/tIntercept: 30.8 mView all detailsHide details
Identity
- Hole ID
- CAL26-03C
- Project
- Santa Fe Mine
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- LG
Geometry
- Grade
- 0.93
- Grade Unit
- g/t
- Intercept
- 30.8 m
- From
- 94.8 m
- To
- 125.6 m
- Intercept Depth
- 94.8 m
Classification
- Sample Type
- drill
- Group ID
- CAL26-03C:94.8-125.6
- Mining Method
- open_pit
Location
- Location
- Calvada Central
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.93
- Metal Eq. Unit
- g/t Au Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-22T00:00:00.000Z
Reasoning: Solid intercept of 0.93 g/t Au Eq over 30.8m.
Positive factors
- Significant intercept in geotechnical hole
Evidence · text
“intersected 30.8 metres (94.8 – 125.6m) grading 0.93 g/t Au Eq oxide”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
CAL26-03CSanta Fe Mine · goldGrade: 2.18Grade Unit: g/tIntercept: 10.7 mView all detailsHide details
Identity
- Hole ID
- CAL26-03C
- Project
- Santa Fe Mine
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- LG
Geometry
- Grade
- 2.18
- Grade Unit
- g/t
- Intercept
- 10.7 m
- From
- 114 m
- To
- 124.7 m
- Intercept Depth
- 114 m
Classification
- Sample Type
- drill
- Group ID
- CAL26-03C:114-124.7
- Mining Method
- open_pit
Location
- Location
- Calvada Central
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 2.18
- Metal Eq. Unit
- g/t Au Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-22T00:00:00.000Z
Reasoning: High-grade sub-interval of 2.18 g/t Au Eq.
Positive factors
- High-grade interval within the larger intercept
Evidence · text
“includes a 10.7 metre interval (114.0 -124.7 m) of high-grade material: 2.18 g/t Au Eq”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
CAL26-03CSanta Fe Mine · goldGrade: 3.25Grade Unit: g/tIntercept: 1.4 mView all detailsHide details
Identity
- Hole ID
- CAL26-03C
- Project
- Santa Fe Mine
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- LG
Geometry
- Grade
- 3.25
- Grade Unit
- g/t
- Intercept
- 1.4 m
- From
- 116.7 m
- To
- 118.1 m
- Intercept Depth
- 116.7 m
Classification
- Sample Type
- drill
- Group ID
- CAL26-03C:116.7-118.1
- Mining Method
- open_pit
Location
- Location
- Calvada Central
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-22T00:00:00.000Z
Reasoning: Very high grade intercept of 3.25 g/t Au.
Positive factors
- High-grade gold mineralization
Evidence · text
“High grade gold mineralization grading 3.25 g/t Au (116.7 – 118.1m) in CAL26-03C”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
CAL26-06RSanta Fe Mine · goldGrade: 0.4Grade Unit: g/tIntercept: 15.2 mView all detailsHide details
Identity
- Hole ID
- CAL26-06R
- Project
- Santa Fe Mine
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- LG
Geometry
- Grade
- 0.4
- Grade Unit
- g/t
- Intercept
- 15.2 m
- From
- 0 m
- To
- 15.2 m
- Intercept Depth
- 0 m
Classification
- Sample Type
- drill
- Group ID
- CAL26-06R:0-15.2
- Mining Method
- open_pit
Location
- Location
- South Slab Open Pit
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories (AAL)
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Metal Eq. Grade
- 0.4
- Metal Eq. Unit
- g/t Au Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-22T00:00:00.000Z
Reasoning: Moderate grade intercept in RC hole.
Evidence · text
“15.2 metres grading 0.40 g/t Au Eq (CAL26-06R; 0 – 15.2m)”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Resource Estimates (2)
indicatedSanta Fe Mine Project · goldTonnes: 48393000Grade: 0.92Grade Unit: g/tContained Metal: 1539000Contained Unit: oz au eqView all detailsHide details
Identity
- Project
- Santa Fe Mine Project
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- LG
Resource scope
- Estimate type
- resource
- Effective date
- 2024-12-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Brian J. Maher
- Resource group id
- resource:34d79629bbb0567fb009
- Deposit or zone
- Santa Fe Mine
- Mining method
- open_pit
- Material type
- oxide
Resource Data
- Category
- indicated
- Tonnes
- 48393000
- Grade
- 0.92
- Grade Unit
- g/t
- Contained Metal
- 1539000
- Contained Unit
- oz au eq
- Cutoff Grade
- 0.15
- Cutoff Unit
- g/t AuEq
Prior Estimate
- Resource Date
- 2024-12-10
Metal Equivalent
- Metal Eq. Grade
- 0.99
- Metal Eq. Unit
- g/t Au Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-07-22T00:00:00.000Z
Reasoning: Existing Indicated resource mentioned for context.
Positive factors
- NI 43-101 compliant
Evidence · text
“Indicated Mineral Resource of 1,539,000 oz Au Eq (48,393,000 tonnes grading 0.92 g/t Au and 7.18 g/t Ag, together grading 0.99 g/t Au Eq)”
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
inferredSanta Fe Mine Project · goldTonnes: 16760000Grade: 0.74Grade Unit: g/tContained Metal: 411000Contained Unit: oz au eqView all detailsHide details
Identity
- Project
- Santa Fe Mine Project
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- LG
Resource scope
- Estimate type
- resource
- Effective date
- 2024-12-10T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Brian J. Maher
- Resource group id
- resource:907ddec929d778c12a96
- Deposit or zone
- Santa Fe Mine
- Mining method
- open_pit
- Material type
- oxide
Resource Data
- Category
- inferred
- Tonnes
- 16760000
- Grade
- 0.74
- Grade Unit
- g/t
- Contained Metal
- 411000
- Contained Unit
- oz au eq
- Cutoff Grade
- 0.15
- Cutoff Unit
- g/t AuEq
Prior Estimate
- Resource Date
- 2024-12-10
Metal Equivalent
- Metal Eq. Grade
- 0.76
- Metal Eq. Unit
- g/t Au Eq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-07-22T00:00:00.000Z
Reasoning: Existing Inferred resource mentioned for context.
Evidence · text
“Inferred Mineral Resource of 411,000 oz Au Eq (16,760,000 grading 0.74 g/t Au and 3.25 g/t Ag, together grading 0.76 g/t Au Eq)”
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
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.