7 Things to Know as Marimaca Targets a 2027 Pampa Medina Resource
Original announcement by cruxinvestor on
- Company
- Marimaca Copper
- Ticker
- MARI
- Exchange
- Unavailable
- Region
- Antofagasta Region, Chile
- Primary commodity
- Copper
- Secondary commodities
- Silver
- Document categories
- Drill results, Other
- Extracted
- 2026-09-16 11:07:53 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Marimaca Copper is advancing the Pampa Medina project with simultaneous delineation of a central high-grade zone and scout drilling for extensions. While northern scout holes failed to reach target sediments due to depth, step-out drilling successfully extended the mineralized horizon 300m to the south and west.
Reasoning: Strong step-out results to the south and west extend the system, though northern/northwestern extensions are currently constrained by depth and drilling method (RC limits).
Positive factors
- Step-Out Extension
- delineation of central zone
Negative factors
- scout holes failed to reach target depth
- drilling method constraints
Facts used in scoring: 22
Extracted facts
Stored fact records: 22. Some facts used in scoring do not have a stored record.
Drill Results (22)
Fact 1Pampa Medina · copperGrade: 0.96Grade Unit: %Intercept: 216 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- copper
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 0.96
- Grade Unit
- %
- Intercept
- 216 m
- From
- 466 m
- To
- 682 m
- Intercept Depth
- 466 m
Classification
- Sample Type
- drill
- Group ID
- unknown:466-682
- Mining Method
- unknown
Location
- Location
- central zone
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Significant width and grade in a delineation grid.
Positive factors
- delineation drilling
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 2Pampa Medina · silverGrade: 7.2Grade Unit: g/tIntercept: 216 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- silver
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 7.2
- Grade Unit
- g/t
- Intercept
- 216 m
- From
- 466 m
- To
- 682 m
- Intercept Depth
- 466 m
Classification
- Sample Type
- drill
- Group ID
- unknown:466-682
- Mining Method
- unknown
Location
- Location
- central zone
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Silver grade accompanies copper in the central delineation zone.
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 3Pampa Medina · copperGrade: 2.2Grade Unit: %Intercept: 62 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- copper
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 2.2
- Grade Unit
- %
- Intercept
- 62 m
- From
- 602 m
- To
- 664 m
- Intercept Depth
- 602 m
Classification
- Sample Type
- drill
- Group ID
- unknown:602-664
- Mining Method
- unknown
Location
- Location
- central zone
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: High-grade sub-interval within the central zone.
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 4Pampa Medina · silverGrade: 21.5Grade Unit: g/tIntercept: 62 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- silver
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 21.5
- Grade Unit
- g/t
- Intercept
- 62 m
- From
- 602 m
- To
- 664 m
- Intercept Depth
- 602 m
Classification
- Sample Type
- drill
- Group ID
- unknown:602-664
- Mining Method
- unknown
Location
- Location
- central zone
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: High-grade silver sub-interval.
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 5Pampa Medina · copperGrade: 3.05Grade Unit: %Intercept: 14 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- copper
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 3.05
- Grade Unit
- %
- Intercept
- 14 m
- From
- 606 m
- To
- 620 m
- Intercept Depth
- 606 m
Classification
- Sample Type
- drill
- Group ID
- unknown:606-620
- Mining Method
- unknown
Location
- Location
- central zone
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Very high grade intercept.
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 6Pampa Medina · silverGrade: 26.7Grade Unit: g/tIntercept: 14 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- silver
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 26.7
- Grade Unit
- g/t
- Intercept
- 14 m
- From
- 606 m
- To
- 620 m
- Intercept Depth
- 606 m
Classification
- Sample Type
- drill
- Group ID
- unknown:606-620
- Mining Method
- unknown
Location
- Location
- central zone
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: High-grade silver sub-interval.
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 7Pampa Medina · copperGrade: 1.47Grade Unit: %Intercept: 8 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- copper
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 1.47
- Grade Unit
- %
- Intercept
- 8 m
- From
- 580 m
- To
- 588 m
- Intercept Depth
- 580 m
Classification
- Sample Type
- drill
- Group ID
- Pampa_Medina:580-588
- Mining Method
- unknown
Location
- Location
- scout holes north/northwest
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Mineralization found at the limits of RC drilling but did not reach target sediments.
Negative factors
- scout hole stopped in overlying rock
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 8Pampa Medina · silverGrade: 7.5Grade Unit: g/tIntercept: 8 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- silver
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 7.5
- Grade Unit
- g/t
- Intercept
- 8 m
- From
- 580 m
- To
- 588 m
- Intercept Depth
- 580 m
Classification
- Sample Type
- drill
- Group ID
- Pampa_Medina:580-588
- Mining Method
- unknown
Location
- Location
- scout holes north/northwest
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Silver grade accompanies copper in the limited RC intercept.
Negative factors
- scout hole stopped in overlying rock
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 9Pampa Medina · copperGrade: 1.17Grade Unit: %Intercept: 8 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- copper
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 1.17
- Grade Unit
- %
- Intercept
- 8 m
- From
- 578 m
- To
- 586 m
- Intercept Depth
- 578 m
Classification
- Sample Type
- drill
- Group ID
- Pampa_Medina:578-586
- Mining Method
- unknown
Location
- Location
- scout holes north/northwest
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Reached sedimentary horizon but limited by RC depth.
Negative factors
- drilling halted at technical limits of RC
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 10Pampa Medina · silverGrade: 11.8Grade Unit: g/tIntercept: 8 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- silver
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 11.8
- Grade Unit
- g/t
- Intercept
- 8 m
- From
- 578 m
- To
- 586 m
- Intercept Depth
- 578 m
Classification
- Sample Type
- drill
- Group ID
- Pampa_Medina:578-586
- Mining Method
- unknown
Location
- Location
- scout holes north/northwest
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Silver grade accompanies copper in the limited RC intercept.
Negative factors
- drilling halted at technical limits of RC
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 11Pampa Medina · copperGrade: 0.95Grade Unit: %Intercept: 56 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- copper
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 0.95
- Grade Unit
- %
- Intercept
- 56 m
- From
- 748 m
- To
- 804 m
- Intercept Depth
- 748 m
Classification
- Sample Type
- drill
- Group ID
- Pampa_Medina:748-804
- Mining Method
- unknown
Location
- Location
- western step-out
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Significant width and extension of the mineralized horizon.
Positive factors
- Step-Out Extension
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 12Pampa Medina · silverGrade: 4.2Grade Unit: g/tIntercept: 56 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- silver
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 4.2
- Grade Unit
- g/t
- Intercept
- 56 m
- From
- 748 m
- To
- 804 m
- Intercept Depth
- 748 m
Classification
- Sample Type
- drill
- Group ID
- Pampa_Medina:748-804
- Mining Method
- unknown
Location
- Location
- western step-out
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Silver grade accompanies copper in the western step-out.
Positive factors
- Step-Out Extension
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 13Pampa Medina · copperGrade: 1.8Grade Unit: %Intercept: 22 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- copper
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 1.8
- Grade Unit
- %
- Intercept
- 22 m
- From
- 750 m
- To
- 772 m
- Intercept Depth
- 750 m
Classification
- Sample Type
- drill
- Group ID
- Pampa_Medina:750-772
- Mining Method
- unknown
Location
- Location
- western step-out
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: High-grade sub-interval in the western step-out.
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 14Pampa Medina · silverGrade: 9.7Grade Unit: g/tIntercept: 22 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- silver
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 9.7
- Grade Unit
- g/t
- Intercept
- 22 m
- From
- 750 m
- To
- 772 m
- Intercept Depth
- 750 m
Classification
- Sample Type
- drill
- Group ID
- Pampa_Medina:750-772
- Mining Method
- unknown
Location
- Location
- western step-out
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: High-grade silver sub-interval in the western step-out.
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 15Pampa Medina · copperGrade: 2.42Grade Unit: %Intercept: 8 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- copper
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 2.42
- Grade Unit
- %
- Intercept
- 8 m
- From
- 750 m
- To
- 758 m
- Intercept Depth
- 750 m
Classification
- Sample Type
- drill
- Group ID
- Pampa_Medina:750-758
- Mining Method
- unknown
Location
- Location
- western step-out
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: High-grade sub-interval in the western step-out.
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 16Pampa Medina · silverGrade: 9Grade Unit: g/tIntercept: 8 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- silver
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 9
- Grade Unit
- g/t
- Intercept
- 8 m
- From
- 750 m
- To
- 758 m
- Intercept Depth
- 750 m
Classification
- Sample Type
- drill
- Group ID
- Pampa_Medina:750-758
- Mining Method
- unknown
Location
- Location
- western step-out
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: High-grade silver sub-interval in the western step-out.
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 17Pampa Medina · copperGrade: 0.5Grade Unit: %Intercept: 222 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- copper
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 0.5
- Grade Unit
- %
- Intercept
- 222 m
- From
- 194 m
- To
- 416 m
- Intercept Depth
- 194 m
Classification
- Sample Type
- drill
- Group ID
- Pampa_Medina:194-416
- Mining Method
- unknown
Location
- Location
- southeastern limit
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Very wide intercept through oxide, mixed, and sulfide material.
Positive factors
- Step-Out Extension
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 18Pampa Medina · copperGrade: 1.01Grade Unit: %Intercept: 18 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- copper
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 1.01
- Grade Unit
- %
- Intercept
- 18 m
- From
- 246 m
- To
- 264 m
- Intercept Depth
- 246 m
Classification
- Sample Type
- drill
- Group ID
- Pampa_Medina:246-264
- Mining Method
- unknown
Location
- Location
- southeastern limit
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: High-grade oxide sub-interval.
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 19Pampa Medina · copperGrade: 1.07Grade Unit: %Intercept: 28 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- copper
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 1.07
- Grade Unit
- %
- Intercept
- 28 m
- From
- 322 m
- To
- 350 m
- Intercept Depth
- 322 m
Classification
- Sample Type
- drill
- Group ID
- Pampa_Medina:322-350
- Mining Method
- unknown
Location
- Location
- southeastern limit
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: High-grade mixed zone sub-interval.
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 20Pampa Medina · copperGrade: 1.05Grade Unit: %Intercept: 48 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- copper
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 1.05
- Grade Unit
- %
- Intercept
- 48 m
- From
- 368 m
- To
- 416 m
- Intercept Depth
- 368 m
Classification
- Sample Type
- drill
- Group ID
- Pampa_Medina:368-416
- Mining Method
- unknown
Location
- Location
- southeastern limit
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: High-grade sulfide sub-interval.
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
Fact 21Pampa Medina · copperGrade: 0.65Grade Unit: %Intercept: 104 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Pampa Medina
- Commodity
- copper
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 0.65
- Grade Unit
- %
- Intercept
- 104 m
- From
- 522 m
- To
- 626 m
- Intercept Depth
- 522 m
Classification
- Sample Type
- drill
- Group ID
- Pampa_Medina:522-626
- Mining Method
- unknown
Location
- Location
- 150m east of earlier drilling
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Significant width extension of the system.
Positive factors
- Step-Out Extension
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
150mPampa Medina · copperGrade: 0.65Grade Unit: %Intercept: 104 mView all detailsHide details
Identity
- Hole ID
- 150m
- Project
- Pampa Medina
- Commodity
- copper
- Region
- chile
- Reported Region
- chile
- Ticker
- MARI
Geometry
- Grade
- 0.65
- Grade Unit
- %
- Intercept
- 104 m
- From
- 522 m
- To
- 626 m
Classification
- Sample Type
- drill
Location
- Location
- central zone
- Loc. Source
- document
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Significant width and grade in a delineation grid.
Positive factors
- delineation drilling
Evidence · text
“104m of 0.65% copper from 522m depth”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not 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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The first fills in a defined area of interest measuring 3 kilometers (km) by 1.5km in Chile's Antofagasta Region, about "
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.