Transatlantic Mining: Drilling Results at the Golden Jubilee Mine Include an Intersection of 6.1 m at 13.1 g/t Au
Original announcement by tmx on
- Company
- Transatlantic Mining Corp.
- Ticker
- TCO
- Exchange
- TSX
- Region
- Montana, USA
- Primary commodity
- Gold
- Secondary commodities
- Silver
- Document categories
- Drill results, Metallurgy
- Extracted
- 2026-09-13 03:09:29 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Transatlantic Mining has announced inaugural reverse circulation drilling results from the Golden Jubilee Mine in Montana, highlighting high-grade gold intercepts including 6.1 m at 13.1 g/t Au. The results confirm the continuity of the mineralized structure and suggest potential for further expansion along strike and into parallel zones.
Reasoning: Inaugural drilling campaign returned strong gold grades (up to 17.3 g/t) and demonstrated continuity of the mineralized structure, supporting potential for further expansion.
Positive factors
- High-grade gold intercepts
- True width disclosed
- Step-out extension
- QA/QC Disclosed
Facts used in scoring: 8
Classification and evidence
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: The release explicitly states true widths for the reported intercepts (e.g., 8.0 m true width).
Evidence · text
“8.0 m true width”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release mentions the use of blanks and standards in the assay process.
Evidence · text
“blanks and standards inserted on batches of 25”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Mineralization was intersected down dip and along strike of existing drill holes and underground workings.
Evidence · text
“mineralized structure continues down dip and along strike”
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: The 3.0 m at 17.3 g/t Au intercept is exceptionally high grade.
Evidence · text
“3.0 metres at 17.3 g/t Au”
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: the document describes a gravity route ("gravity")
Multi-Domain Testedpositive
Variability across ore domains (oxide, transition, fresh) has been addressed.
Why it applies: 3 distinct composites were tested
Extracted facts
Stored fact records: 8. Some facts used in scoring do not have a stored record.
Drill Results (5)
2201Golden Jubilee · goldGrade: 7.8Grade Unit: g/tIntercept: 9.1 mView all detailsHide details
Identity
- Hole ID
- 2201
- Project
- Golden Jubilee
- Commodity
- gold
- Region
- usa_mt
- Reported Region
- usa_mt
- Ticker
- TCO
Geometry
- Grade
- 7.8
- Grade Unit
- g/t
- Intercept
- 9.1 m
- True Width
- 8 m
- From
- 64 m
- To
- 73.1 m
- Intercept Depth
- 64 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 2201:64-73.1
- Mining Method
- underground
Location
- Location
- Main Zone
- Loc. Confidence
- medium
- Loc. Source
- document
QA/QC
- Laboratory
- Christofferson Laboratory
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, umpire
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-04-13T00:00:00.000Z
Reasoning: Solid gold intercept with reported true width.
Positive factors
- Strong grade
- True width disclosed
Evidence · text
“9.1 metres at 7.8 g/t Au from 64 metres depth ( 8.0 m true width)”
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 8
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
2201Golden Jubilee · goldGrade: 16.11Grade Unit: g/tIntercept: 1.5 mView all detailsHide details
Identity
- Hole ID
- 2201
- Project
- Golden Jubilee
- Commodity
- gold
- Region
- usa_mt
- Reported Region
- usa_mt
- Ticker
- TCO
Geometry
- Grade
- 16.11
- Grade Unit
- g/t
- Intercept
- 1.5 m
- True Width
- 8 m
- From
- 64 m
- To
- 73.1 m
- Intercept Depth
- 64 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 2201:64-73.1
- Mining Method
- underground
Location
- Location
- Main Zone
- Loc. Confidence
- medium
- Loc. Source
- document
QA/QC
- Laboratory
- Christofferson Laboratory
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, umpire
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-04-13T00:00:00.000Z
Reasoning: High grade sub-interval.
Positive factors
- Bonanza Intercept
Evidence · text
“Including 1.5 metres at 16.11 g/t Au”
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 8
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
2201Golden Jubilee · goldGrade: 5.5Grade Unit: g/tIntercept: 6.1 mView all detailsHide details
Identity
- Hole ID
- 2201
- Project
- Golden Jubilee
- Commodity
- gold
- Region
- usa_mt
- Reported Region
- usa_mt
- Ticker
- TCO
Geometry
- Grade
- 5.5
- Grade Unit
- g/t
- Intercept
- 6.1 m
- True Width
- 5.5 m
- From
- 86.9 m
- To
- 93 m
- Intercept Depth
- 86.9 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 2201:86.9-93
- Mining Method
- underground
Location
- Location
- Main Zone
- Loc. Confidence
- medium
- Loc. Source
- document
QA/QC
- Laboratory
- Christofferson Laboratory
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, umpire
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-04-13T00:00:00.000Z
Reasoning: Moderate gold intercept.
Evidence · text
“6.1 metres at 5.5 g/t Au from 86.9 metres depth ( 5.5 m true width)”
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 5.5
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
2203Golden Jubilee · goldGrade: 13.1Grade Unit: g/tIntercept: 6.1 mView all detailsHide details
Identity
- Hole ID
- 2203
- Project
- Golden Jubilee
- Commodity
- gold
- Region
- usa_mt
- Reported Region
- usa_mt
- Ticker
- TCO
Geometry
- Grade
- 13.1
- Grade Unit
- g/t
- Intercept
- 6.1 m
- True Width
- 6 m
- From
- 111.3 m
- To
- 117.4 m
- Intercept Depth
- 111.3 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 2203:111.3-117.4
- Mining Method
- underground
Location
- Location
- Main Zone
- Loc. Confidence
- medium
- Loc. Source
- document
QA/QC
- Laboratory
- Christofferson Laboratory
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, umpire
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-04-13T00:00:00.000Z
Reasoning: High grade intercept with reported true width.
Positive factors
- Strong grade
Evidence · text
“6.1 metres at 13.1 g/t Au from 111.3 metres depth (6.0 m true width)”
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 6
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
2203Golden Jubilee · goldGrade: 17.3Grade Unit: g/tIntercept: 3 mView all detailsHide details
Identity
- Hole ID
- 2203
- Project
- Golden Jubilee
- Commodity
- gold
- Region
- usa_mt
- Reported Region
- usa_mt
- Ticker
- TCO
Geometry
- Grade
- 17.3
- Grade Unit
- g/t
- Intercept
- 3 m
- True Width
- 6 m
- From
- 111.3 m
- To
- 117.4 m
- Intercept Depth
- 111.3 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- 2203:111.3-117.4
- Mining Method
- underground
Location
- Location
- Main Zone
- Loc. Confidence
- medium
- Loc. Source
- document
QA/QC
- Laboratory
- Christofferson Laboratory
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, umpire
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2023-04-13T00:00:00.000Z
Reasoning: Very high grade sub-interval.
Positive factors
- Bonanza Intercept
Evidence · text
“Including 3.0 metres at 17.3 g/t Au”
Tags used in scoring
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: true_width_m is 6
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
Metallurgical Results (3)
gravityGolden Jubilee · goldRecovery: 96.7 %Head Grade: 64.7Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Golden Jubilee
- Commodity
- gold
- Region
- usa_mt
- Reported Region
- Montana, USA
- Ticker
- TCO
Test Work
- Program Status
- scoping
- Test Type
- gravity
- Sample
- September 2000 bulk sample
Recovery
- Recovery
- 96.7 %
- Recovery Basis
- actual_test
- Head Grade
- 64.7
- Head Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-04-13T00:00:00.000Z
Reasoning: Historical bulk sample recovery.
Positive factors
- High recovery
Evidence · table
“96.7”
Context: 447
Tags used in scoring
Gravity Routeneutral
Gravity separation forms a material part of the flowsheet.
Why it applies: processing_route matches the gravity signal
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: 96.7% is at or above the exceptional band (95%)
flotationGolden Jubilee · goldRecovery: 78.2 %Head Grade: 10.47Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Golden Jubilee
- Commodity
- gold
- Region
- usa_mt
- Reported Region
- Montana, USA
- Ticker
- TCO
Test Work
- Program Status
- scoping
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- July-September 2014 parcel
Recovery
- Recovery
- 78.2 %
- Recovery Basis
- actual_test
- Head Grade
- 10.47
- Head Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-04-13T00:00:00.000Z
Reasoning: Historical recovery for flotation route is below exceptional/strong bands.
Negative factors
- Low Recovery
Evidence · table
“78.2”
Context: 3,864
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 78.2% is below the weak band (80%)
flotationGolden Jubilee · goldRecovery: 88.5 %Head Grade: 8.05Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Golden Jubilee
- Commodity
- gold
- Region
- usa_mt
- Reported Region
- Montana, USA
- Ticker
- TCO
Test Work
- Program Status
- scoping
- Test Type
- flotation
- Processing Route
- flotation
- Sample
- September-November 2014 parcel
Recovery
- Recovery
- 88.5 %
- Recovery Basis
- actual_test
- Head Grade
- 8.05
- Head Grade Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-04-13T00:00:00.000Z
Reasoning: Historical flotation recovery.
Evidence · table
“88.5”
Context: 5,908
Tags used in scoring
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: processing_route matches the flotation signal
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.