Pampa Medina Sulphide Drilling Intersects 16m of 5.70% Cu and 62.6 g/t Ag including 4m of 11.32% Cu and 144.0 g/t Ag in Significant Extension of UHG Bornite Zone
Original announcement by yahoo_press on
- Company
- Marimaca Copper Corp.
- Ticker
- MARI
- Exchange
- TSX
- Region
- Unavailable
- Primary commodity
- Copper
- Secondary commodities
- Silver
- Document categories
- Drill results
- Extracted
- 2026-08-20 22:02:29 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Marimaca Copper Corp. reported high-grade drill results at the Pampa Medina deposit, featuring a 16m intercept of 5.70% Cu and 62.6 g/t Ag. This result includes a high-grade sub-interval of 4m at 11.32% Cu and 144.0 g/t Ag, extending the known UHG Bornite Zone.
Reasoning: The intercept of 5.70% Cu is exceptional for a copper project and represents a significant extension of the UHG Bornite Zone.
Positive factors
- high grade copper intercept
- significant silver credits
- extension of known high grade zone
Facts used in scoring: 4

Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: The results represent a significant extension of the UHG Bornite Zone.
Evidence · text
“Significant Extension of UHG Bornite Zone”
Extracted facts
Stored fact records: 4. Some facts used in scoring do not have a stored record.
Drill Results (4)
Fact 1Pampa Medina · copperGrade: 5.7Grade Unit: %Intercept: 16 mNeeds review: ungroundedView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- copper
- Ticker
- MARI
Geometry
- Grade
- 5.7
- Grade Unit
- %
- Intercept
- 16 m
Classification
- Sample Type
- drill
Review
- Needs Review
- Yes
- Review Reason
- ungrounded
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-08T00:00:00.000Z
Reasoning: 5.70% Cu is an exceptional grade for a copper deposit.
Positive factors
- exceptional copper grade
Evidence · text
“16m of 5.70% Cu”
Fact 2Pampa Medina · silverGrade: 62.6Grade Unit: g/tIntercept: 16 mNeeds review: ungroundedView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- silver
- Ticker
- MARI
Geometry
- Grade
- 62.6
- Grade Unit
- g/t
- Intercept
- 16 m
Classification
- Sample Type
- drill
Review
- Needs Review
- Yes
- Review Reason
- ungrounded
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-08T00:00:00.000Z
Reasoning: 62.6 g/t Ag provides significant byproduct value.
Positive factors
- strong silver credits
Evidence · text
“62.6 g/t Ag”
Fact 3Pampa Medina · copperGrade: 11.32Grade Unit: %Intercept: 4 mNeeds review: ungroundedView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- copper
- Ticker
- MARI
Geometry
- Grade
- 11.32
- Grade Unit
- %
- Intercept
- 4 m
Classification
- Sample Type
- drill
Review
- Needs Review
- Yes
- Review Reason
- ungrounded
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-08T00:00:00.000Z
Reasoning: 11.32% Cu is an exceptional high-grade intercept.
Positive factors
- extremely high grade sub-interval
Evidence · text
“4m of 11.32% Cu”
Fact 4Pampa Medina · silverGrade: 144Grade Unit: g/tIntercept: 4 mNeeds review: ungroundedView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- silver
- Ticker
- MARI
Geometry
- Grade
- 144
- Grade Unit
- g/t
- Intercept
- 4 m
Classification
- Sample Type
- drill
Review
- Needs Review
- Yes
- Review Reason
- ungrounded
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-08T00:00:00.000Z
Reasoning: 144.0 g/t Ag is a strong silver grade within the high-grade copper interval.
Positive factors
- high grade silver sub-interval
Evidence · text
“144.0 g/t Ag”
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.