ATERRA Reports Totora Cu/Au Project Drilling Returns 284 m Grading 0.64% CuEq Including 180 m at 0.71% CuEq
Original announcement by yahoo_press on
- Company
- ATERRA Metals Inc.
- Ticker
- ATC
- Exchange
- TSXV
- Region
- Dos Amigo Mining District
- Primary commodity
- Copper
- Secondary commodities
- Gold
- Document categories
- Drill results
- Extracted
- 2026-08-20 20:24:22 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
ATERRA Metals reported Phase I drill results from the Totora Cu/Au Project, featuring a substantial 284m intercept at 0.64% CuEq. The intercept includes a high-grade 180m section at 0.71% CuEq.
Reasoning: The intercept of 284m is very wide, providing significant continuity, though the CuEq calculation lacks disclosed assumptions.
Positive factors
- significant intercept width
- copper equivalent reported
Negative factors
- metal equivalent assumptions not disclosed
Facts used in scoring: 4
Classification and evidence
Metal Equivalent Opaquenegative
Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used.
Why it applies: The release reports CuEq grades but does not disclose the price or recovery assumptions used for the calculation.
Evidence · text
“grading 0.64% copper equivalent ("CuEq")”
Extracted facts
Stored fact records: 4. Some facts used in scoring do not have a stored record.
Drill Results (4)
AFROD01Totora Cu/Au Project · copperGrade: 0.41Grade Unit: %Intercept: 284 mView all detailsHide details
Identity
- Hole ID
- AFROD01
- Project
- Totora Cu/Au Project
- Commodity
- copper
- Ticker
- ATC
Geometry
- Grade
- 0.41
- Grade Unit
- %
- Intercept
- 284 m
- From
- 0 m
- To
- 284 m
Classification
- Sample Type
- drill
- Group ID
- AFROD01:0-284
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-16T00:00:00.000Z
Reasoning: 284m width is a significant continuous interval.
Positive factors
- wide intercept
Evidence · text
“284 metres grading 0.64% copper equivalent ("CuEq") from surface... (0.41% Cu and 0.27 grams per tonne ("g/t") gold)”
AFROD01Totora Cu/Au Project · goldGrade: 0.27Grade Unit: g/tIntercept: 284 mView all detailsHide details
Identity
- Hole ID
- AFROD01
- Project
- Totora Cu/Au Project
- Commodity
- gold
- Ticker
- ATC
Geometry
- Grade
- 0.27
- Grade Unit
- g/t
- Intercept
- 284 m
- From
- 0 m
- To
- 284 m
Classification
- Sample Type
- drill
- Group ID
- AFROD01:0-284
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-16T00:00:00.000Z
Reasoning: Gold grade is present but secondary to copper in this intercept.
Evidence · text
“0.41% Cu and 0.27 grams per tonne ("g/t") gold”
AFROD01Totora Cu/Au Project · copperGrade: 0.71Grade Unit: %Intercept: 180 mView all detailsHide details
Identity
- Hole ID
- AFROD01
- Project
- Totora Cu/Au Project
- Commodity
- copper
- Ticker
- ATC
Geometry
- Grade
- 0.71
- Grade Unit
- %
- Intercept
- 180 m
Classification
- Sample Type
- drill
- Group ID
- AFROD01:sub-interval
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-16T00:00:00.000Z
Reasoning: Stronger grade within the main intercept.
Positive factors
- high grade for porphyry/large scale
Evidence · text
“including 180 metres... 0.71% CuEq”
AFROD01Totora Cu/Au Project · copperIntercept: 284 mView all detailsHide details
Identity
- Hole ID
- AFROD01
- Project
- Totora Cu/Au Project
- Commodity
- copper
- Ticker
- ATC
Geometry
- Intercept
- 284 m
- From
- 0 m
- To
- 284 m
Classification
- Sample Type
- drill
- Group ID
- AFROD01:0-284
Metal Equivalent
- Metal Eq. Grade
- 0.64
- Metal Eq. Unit
- % CuEq
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-07-16T00:00:00.000Z
Reasoning: CuEq reported without stated assumptions.
Negative factors
- Metal Equivalent Opaque
Evidence · text
“284 metres grading 0.64% copper equivalent ("CuEq")”
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.