Transatlantic Samples 36.1% Cu over 2.6 metres at Monitor Project - Big Elk Prospect
Original announcement by tmx on
- Company
- Transatlantic Mining Corp.
- Ticker
- TCO
- Exchange
- TSX
- Region
- Idaho, USA
- Primary commodity
- Copper
- Secondary commodities
- Gold, Silver
- Document categories
- Drill results, Other
- Extracted
- 2026-08-21 07:48:20 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Transatlantic Mining reported high-grade copper surface samples of up to 36.1% Cu at the Big Elk prospect. While recent drilling did not intersect new mineralization, it successfully confirmed the geometry of the known vein system.
Reasoning: High-grade surface samples (36.1% Cu) provide significant excitement, though the recent drill program was primarily structural validation rather than new discovery.
Positive factors
- exceptional surface grades
- confirmed geological structure
- QA/QC disclosed
Negative factors
- drilling did not intersect new vein material
Facts used in scoring: 5
Classification and evidence
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: 36.1% Cu is exceptionally high grade.
Evidence · text
“36.1% copper (Cu) over 2.6 metres”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release mentions Christofferson Labs and American Analytical Laboratories and internal QA/QC checks.
Evidence · text
“All analytical procedures adhered to industry-standard protocols, and results have passed internal QA/QC checks.”
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: True width is explicitly provided for surface samples in Table 1.
Evidence · table
“2.4”
Context: 2.6
Extracted facts
Stored fact records: 5. Some facts used in scoring do not have a stored record.
Drill Results (5)
MON_231019_1Monitor Project · copperGrade: 36.1Grade Unit: %Intercept: 2.6 mView all detailsHide details
Identity
- Hole ID
- MON_231019_1
- Project
- Monitor Project
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho, USA
- Ticker
- TCO
Geometry
- Grade
- 36.1
- Grade Unit
- %
- Intercept
- 2.6 m
- True Width
- 2.4 m
- From
- 0 m
- To
- 2.6 m
Classification
- Sample Type
- channel
- Group ID
- MON_231019_1:0.0-2.6
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-07-14T00:00:00.000Z
Reasoning: 36.1% Cu is an exceptional grade for copper.
Positive factors
- Bonanza Intercept
Evidence · table
“36.1”
Context: 2.6
MON_231019_1Monitor Project · goldGrade: 0.93Grade Unit: g/tIntercept: 2.6 mView all detailsHide details
Identity
- Hole ID
- MON_231019_1
- Project
- Monitor Project
- Commodity
- gold
- Region
- usa_id
- Reported Region
- Idaho, USA
- Ticker
- TCO
Geometry
- Grade
- 0.93
- Grade Unit
- g/t
- Intercept
- 2.6 m
- True Width
- 2.4 m
- From
- 0 m
- To
- 2.6 m
Classification
- Sample Type
- channel
- Group ID
- MON_231019_1:0.0-2.6
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-07-14T00:00:00.000Z
Reasoning: Moderate gold grade accompanying high copper.
Evidence · table
“0.93”
Context: 2.6
MON_231019_1Monitor Project · silverGrade: 29.55Grade Unit: g/tIntercept: 2.6 mView all detailsHide details
Identity
- Hole ID
- MON_231019_1
- Project
- Monitor Project
- Commodity
- silver
- Region
- usa_id
- Reported Region
- Idaho, USA
- Ticker
- TCO
Geometry
- Grade
- 29.55
- Grade Unit
- g/t
- Intercept
- 2.6 m
- True Width
- 2.4 m
- From
- 0 m
- To
- 2.6 m
Classification
- Sample Type
- channel
- Group ID
- MON_231019_1:0.0-2.6
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-07-14T00:00:00.000Z
Reasoning: Trace silver content.
Evidence · table
“29.55”
Context: 2.6
MON_230808_1Monitor Project · copperGrade: 6.6Grade Unit: %View all detailsHide details
Identity
- Hole ID
- MON_230808_1
- Project
- Monitor Project
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho, USA
- Ticker
- TCO
Geometry
- Grade
- 6.6
- Grade Unit
- %
Classification
- Sample Type
- surface
- Group ID
- MON_230808_1:N/A-N/A
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-07-14T00:00:00.000Z
Reasoning: Strong gossanous copper grade.
Evidence · table
“6.6”
Context: N/A
BEP_01Monitor Project · copperIntercept: 2.2 mView all detailsHide details
Identity
- Hole ID
- BEP_01
- Project
- Monitor Project
- Commodity
- copper
- Region
- usa_id
- Reported Region
- Idaho, USA
- Ticker
- TCO
Geometry
- Intercept
- 2.2 m
- True Width
- 2.2 m
- From
- 22.9 m
- To
- 25.1 m
Classification
- Sample Type
- drill
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-07-14T00:00:00.000Z
Reasoning: Drill hole intersected historical workings but did not report new analytical results in the summary table.
Evidence · table
“2.2”
Context: 22.9
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.