Drilling Program at Pampa Medina Continues to Demonstrate Continuity and Scale of Sediment-Hosted Copper System

Original announcement by tmx on

Company
Marimaca Copper Corp.
Ticker
MARI
Exchange
TSX
Region
Chile
Primary commodity
Copper
Secondary commodities
Silver
Document categories
Drill results
Extracted
2026-09-14 10:49:38 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Marimaca Copper Corp. announced new assay results from its 2026 step-out exploration drilling program at the Pampa Medina copper-silver project in Chile. The program continues to demonstrate exceptional grade and continuity of the sediment-hosted manto-type mineralization, with multiple broad, high-grade copper and silver intercepts. Key results include 424m at 0.38% Cu and 2.2 g/t Ag in SPRD-06, and 166m at 0.50% Cu and 3.9 g/t Ag in SPRD-02, with several higher-grade sub-intervals. The company reports that the drilling validates the consistency of mineralization and expands the mineralized sedimentary horizon.

Reasoning: The new assay results from the ongoing step-out drilling program at Pampa Medina demonstrate exceptional high-grade copper and silver mineralization over significant widths, successfully expanding the known deposit and confirming geological continuity. The presence of multiple stacked mantos and robust QA/QC procedures further de-risk the project, indicating strong potential for a large-scale, high-quality copper-silver system.

Positive factors

  • Exceptional copper grades, with several intercepts exceeding 2% Cu, including 4.60% Cu over 4m and 4.14% Cu over 2m.
  • Significant intercept lengths, including 424m, 166m, and 146m, demonstrating broad mineralization.
  • Step-out drilling successfully expanded the known mineralized footprint, confirming continuity over significant distances.
  • Multiple high-grade stacked mantos identified, indicating a robust and extensive mineralized system.
  • Comprehensive QA/QC program disclosed, including blanks, standards, and duplicates, with sign-off by a Qualified/Competent Person under NI 43-101 and JORC standards.

Negative factors

  • Some intercepts were affected by pre and post mineral dyking, which can complicate continuity.
  • True width is estimated as 80-90% of downhole intersection, but not explicitly calculated for each intercept, requiring some interpretation.

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 108

Classification and evidence

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: SPRD-02 intersected 4m at 4.60% Cu, which is well above the exceptional threshold for open-pit copper deposits.

Evidence · table

“4.60”

Context: 4

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: SPRD-06 intersected 2m at 4.14% Cu, which is well above the exceptional threshold for open-pit copper deposits.

Evidence · table

“4.14”

Context: 2

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: SPRD-06 intersected 8m at 2.54% Cu, which is well above the exceptional threshold for open-pit copper deposits.

Evidence · table

“2.54”

Context: 8

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: SPRD-06 intersected 8m at 2.70% Cu, which is well above the exceptional threshold for open-pit copper deposits.

Evidence · table

“2.70”

Context: 8

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: SWRD-05 intersected 2m at 2.36% Cu, which is well above the exceptional threshold for open-pit copper deposits.

Evidence · table

“2.36”

Context: 2

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: SWRD-05 intersected 4m at 2.29% Cu, which is well above the exceptional threshold for open-pit copper deposits.

Evidence · table

“2.29”

Context: 4

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: The document states that 'True widths are estimated at 80-90% of the reported downhole intersection'.

Evidence · text

“True widths are estimated at 80-90% of the reported downhole intersection”

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: The drilling program is explicitly described as '2026 step-out exploration drilling programs' and 'Step-out drilling continues to expand the mineralized sedimentary horizon'.

Evidence · text

“2026 step-out exploration drilling programs”

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: The release states 'A full QA/QC program, involving insertion of appropriate blanks, standards and duplicates was employed with acceptable results.' and mentions QP/CP sign-off.

Evidence · text

“A full QA/QC program, involving insertion of appropriate blanks, standards and duplicates was employed with acceptable results.”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: The document states 'Length weighted averages were used to calculate grade over width. No specific grade cap or cut-off was used during grade width calculations.'

Evidence · text

“Length weighted averages were used to calculate grade over width. No specific grade cap or cut-off was used during grade width calculations.”

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: The program includes drilling on '150m intervals to test the continuity between previous 300m scouting holes', indicating an infill component.

Evidence · text

“The program includes drilling on 150m intervals to test the continuity between previous 300m scouting holes”

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: The document explicitly states 'No specific grade cap or cut-off was used during grade width calculations.' for the reported intervals.

Evidence · text

“No specific grade cap or cut-off was used during grade width calculations.”

Metal Equivalent Opaquenegative

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent.

Why it applies: The document explicitly states 'No metal equivalents have been reported.'

Evidence · text

“No metal equivalents have been reported.”

Extracted facts

Stored fact records: 108. Some facts used in scoring do not have a stored record.

Drill Results (108)

SPRD-01Pampa Medina · copperGrade: 0.41Grade Unit: %Intercept: 146 mView all details
Link to this fact

Identity

Hole ID
SPRD-01
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.41
Grade Unit
%
Intercept
146 m
From
286 m
To
432 m
Hole Depth
792 m
Intercept Depth
286 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-01:286-432
Mining Method
open_pit

Location

Location
Central Zone
Easting
407096.31
Northing
7440949.82
CRS
WGS84 UTM
Elevation
1269.09 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · table

“0.41”

Context: 146

Tags used in scoring

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

SPRD-01Pampa Medina · silverGrade: 1.9Grade Unit: g/tIntercept: 146 mView all details
Link to this fact

Identity

Hole ID
SPRD-01
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.9
Grade Unit
g/t
Intercept
146 m
From
286 m
To
432 m
Hole Depth
792 m
Intercept Depth
286 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-01:286-432
Mining Method
open_pit

Location

Location
Central Zone
Easting
407096.31
Northing
7440949.82
CRS
WGS84 UTM
Elevation
1269.09 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Evidence · table

“1.9”

Context: 146

Tags used in scoring

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

SPRD-01Pampa Medina · copperGrade: 0.56Grade Unit: %Intercept: 50 mView all details
Link to this fact

Identity

Hole ID
SPRD-01
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.56
Grade Unit
%
Intercept
50 m
From
290 m
To
340 m
Hole Depth
792 m
Intercept Depth
286 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-01:290-340
Mining Method
open_pit

Location

Location
Central Zone
Easting
407096.31
Northing
7440949.82
CRS
WGS84 UTM
Elevation
1269.09 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This sub-interval highlights a higher-grade core within the broader mineralization, enhancing the overall prospectivity.

Positive factors

  • Strong copper grade of 0.56% over a significant width of 50m, indicating a higher-grade zone within the broader intercept.

Evidence · table

“0.56”

Context: 50

Tags used in scoring

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

SPRD-01Pampa Medina · silverGrade: 2.4Grade Unit: g/tIntercept: 50 mView all details
Link to this fact

Identity

Hole ID
SPRD-01
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.4
Grade Unit
g/t
Intercept
50 m
From
290 m
To
340 m
Hole Depth
792 m
Intercept Depth
286 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-01:290-340
Mining Method
open_pit

Location

Location
Central Zone
Easting
407096.31
Northing
7440949.82
CRS
WGS84 UTM
Elevation
1269.09 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Evidence · table

“2.4”

Context: 50

Tags used in scoring

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

SPRD-01Pampa Medina · copperGrade: 1.9Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
SPRD-01
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.9
Grade Unit
%
Intercept
10 m
From
306 m
To
316 m
Hole Depth
792 m
Intercept Depth
286 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-01:306-316
Mining Method
open_pit

Location

Location
Central Zone
Easting
407096.31
Northing
7440949.82
CRS
WGS84 UTM
Elevation
1269.09 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This high-grade sub-interval significantly enhances the overall quality of the broader intercept, demonstrating excellent copper mineralization.

Positive factors

  • Exceptional copper grade of 1.90% over 10m, indicating a high-grade zone.
  • Contributes to the overall positive results of the drilling program.

Evidence · table

“1.90”

Context: 10

Tags used in scoring

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

SPRD-01Pampa Medina · silverGrade: 10.6Grade Unit: g/tIntercept: 10 mView all details
Link to this fact

Identity

Hole ID
SPRD-01
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
10.6
Grade Unit
g/t
Intercept
10 m
From
306 m
To
316 m
Hole Depth
792 m
Intercept Depth
286 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-01:306-316
Mining Method
open_pit

Location

Location
Central Zone
Easting
407096.31
Northing
7440949.82
CRS
WGS84 UTM
Elevation
1269.09 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade, while not exceptional, adds value as a byproduct to the high copper grade in this interval.

Positive factors

  • Silver grade of 10.6 g/t is a good byproduct credit.

Evidence · table

“10.6”

Context: 10

Tags used in scoring

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

SPRD-01Pampa Medina · copperGrade: 0.61Grade Unit: %Intercept: 24 mView all details
Link to this fact

Identity

Hole ID
SPRD-01
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.61
Grade Unit
%
Intercept
24 m
From
372 m
To
396 m
Hole Depth
792 m
Intercept Depth
286 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-01:372-396
Mining Method
open_pit

Location

Location
Central Zone
Easting
407096.31
Northing
7440949.82
CRS
WGS84 UTM
Elevation
1269.09 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept adds to the overall continuity and grade profile of the mineralization.

Positive factors

  • Strong copper grade of 0.61% over a moderate width of 24m.

Evidence · table

“0.61”

Context: 24

Tags used in scoring

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

SPRD-01Pampa Medina · silverGrade: 1.7Grade Unit: g/tIntercept: 24 mView all details
Link to this fact

Identity

Hole ID
SPRD-01
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.7
Grade Unit
g/t
Intercept
24 m
From
372 m
To
396 m
Hole Depth
792 m
Intercept Depth
286 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-01:372-396
Mining Method
open_pit

Location

Location
Central Zone
Easting
407096.31
Northing
7440949.82
CRS
WGS84 UTM
Elevation
1269.09 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Evidence · table

“1.7”

Context: 24

Tags used in scoring

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

SPRD-01Pampa Medina · copperGrade: 0.79Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
SPRD-01
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.79
Grade Unit
%
Intercept
14 m
From
382 m
To
396 m
Hole Depth
792 m
Intercept Depth
286 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-01:382-396
Mining Method
open_pit

Location

Location
Central Zone
Easting
407096.31
Northing
7440949.82
CRS
WGS84 UTM
Elevation
1269.09 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This sub-interval further enhances the overall grade profile of the mineralization, contributing to the positive results.

Positive factors

  • Strong copper grade of 0.79% over 14m, indicating a higher-grade zone within the broader intercept.

Evidence · table

“0.79”

Context: 14

Tags used in scoring

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

SPRD-01Pampa Medina · silverGrade: 2.9Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
SPRD-01
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.9
Grade Unit
g/t
Intercept
14 m
From
382 m
To
396 m
Hole Depth
792 m
Intercept Depth
286 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-01:382-396
Mining Method
open_pit

Location

Location
Central Zone
Easting
407096.31
Northing
7440949.82
CRS
WGS84 UTM
Elevation
1269.09 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Evidence · table

“2.9”

Context: 14

Tags used in scoring

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

SPRD-02Pampa Medina · copperGrade: 0.5Grade Unit: %Intercept: 166 mView all details
Link to this fact

Identity

Hole ID
SPRD-02
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.5
Grade Unit
%
Intercept
166 m
From
222 m
To
388 m
Hole Depth
750 m
Intercept Depth
222 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-02:222-388
Mining Method
open_pit

Location

Location
Central Zone
Easting
407098.68
Northing
7440648.05
CRS
WGS84 UTM
Elevation
1268.8 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This broad intercept in a step-out hole confirms significant continuity and scale of the copper system, representing a highly material result.

Positive factors

  • Very significant intercept length of 166m, indicating broad and continuous mineralization.
  • Copper grade of 0.50% is strong for an open-pit deposit.
  • Part of a step-out drilling program, successfully expanding the mineralized zone.

Evidence · table

“0.50”

Context: 166

Tags used in scoring

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

SPRD-02Pampa Medina · silverGrade: 3.9Grade Unit: g/tIntercept: 166 mView all details
Link to this fact

Identity

Hole ID
SPRD-02
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
3.9
Grade Unit
g/t
Intercept
166 m
From
222 m
To
388 m
Hole Depth
750 m
Intercept Depth
222 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-02:222-388
Mining Method
open_pit

Location

Location
Central Zone
Easting
407098.68
Northing
7440648.05
CRS
WGS84 UTM
Elevation
1268.8 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Evidence · table

“3.9”

Context: 166

Tags used in scoring

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

SPRD-02Pampa Medina · copperGrade: 1.17Grade Unit: %Intercept: 24 mView all details
Link to this fact

Identity

Hole ID
SPRD-02
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.17
Grade Unit
%
Intercept
24 m
From
222 m
To
246 m
Hole Depth
750 m
Intercept Depth
222 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-02:222-246
Mining Method
open_pit

Location

Location
Central Zone
Easting
407098.68
Northing
7440648.05
CRS
WGS84 UTM
Elevation
1268.8 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This sub-interval significantly boosts the overall grade profile of the mineralization, demonstrating excellent copper concentration.

Positive factors

  • Exceptional copper grade of 1.17% over 24m, indicating a high-grade zone within the broader intercept.

Evidence · table

“1.17”

Context: 24

Tags used in scoring

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

SPRD-02Pampa Medina · silverGrade: 11.8Grade Unit: g/tIntercept: 24 mView all details
Link to this fact

Identity

Hole ID
SPRD-02
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
11.8
Grade Unit
g/t
Intercept
24 m
From
222 m
To
246 m
Hole Depth
750 m
Intercept Depth
222 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-02:222-246
Mining Method
open_pit

Location

Location
Central Zone
Easting
407098.68
Northing
7440648.05
CRS
WGS84 UTM
Elevation
1268.8 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade, while not exceptional, adds value as a byproduct to the high copper grade in this interval.

Positive factors

  • Silver grade of 11.8 g/t provides a good byproduct credit.

Evidence · table

“11.8”

Context: 24

Tags used in scoring

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

SPRD-02Pampa Medina · copperGrade: 2.47Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
SPRD-02
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.47
Grade Unit
%
Intercept
10 m
From
228 m
To
238 m
Hole Depth
750 m
Intercept Depth
222 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-02:228-238
Mining Method
open_pit

Location

Location
Central Zone
Easting
407098.68
Northing
7440648.05
CRS
WGS84 UTM
Elevation
1268.8 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This bonanza-grade sub-interval is highly material, demonstrating the presence of very high-quality copper mineralization within the broader intercept.

Positive factors

  • Exceptional copper grade of 2.47% over 10m, indicating a very high-grade core.
  • Significantly enhances the overall prospectivity of the deposit.

Evidence · table

“2.47”

Context: 10

Tags used in scoring

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

SPRD-02Pampa Medina · silverGrade: 27.4Grade Unit: g/tIntercept: 10 mView all details
Link to this fact

Identity

Hole ID
SPRD-02
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
27.4
Grade Unit
g/t
Intercept
10 m
From
228 m
To
238 m
Hole Depth
750 m
Intercept Depth
222 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-02:228-238
Mining Method
open_pit

Location

Location
Central Zone
Easting
407098.68
Northing
7440648.05
CRS
WGS84 UTM
Elevation
1268.8 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade in this high-grade copper interval adds significant byproduct value.

Positive factors

  • Silver grade of 27.4 g/t is a good byproduct credit, approaching the weak threshold for silver.

Evidence · table

“27.4”

Context: 10

Tags used in scoring

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

SPRD-02Pampa Medina · copperGrade: 4.6Grade Unit: %Intercept: 4 mView all details
Link to this fact

Identity

Hole ID
SPRD-02
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
4.6
Grade Unit
%
Intercept
4 m
From
234 m
To
238 m
Hole Depth
750 m
Intercept Depth
222 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-02:234-238
Mining Method
open_pit

Location

Location
Central Zone
Easting
407098.68
Northing
7440648.05
CRS
WGS84 UTM
Elevation
1268.8 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This bonanza-grade intercept is a standout result, confirming the presence of very high-quality copper mineralization and significantly enhancing the project's potential.

Positive factors

  • Bonanza copper grade of 4.60% over 4m, indicating extremely high-grade mineralization.
  • This is a highly significant result, demonstrating exceptional quality within the deposit.

Evidence · table

“4.60”

Context: 4

Tags used in scoring

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

SPRD-02Pampa Medina · silverGrade: 50.5Grade Unit: g/tIntercept: 4 mView all details
Link to this fact

Identity

Hole ID
SPRD-02
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
50.5
Grade Unit
g/t
Intercept
4 m
From
234 m
To
238 m
Hole Depth
750 m
Intercept Depth
222 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-02:234-238
Mining Method
open_pit

Location

Location
Central Zone
Easting
407098.68
Northing
7440648.05
CRS
WGS84 UTM
Elevation
1268.8 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The high silver grade in this interval further enhances its economic potential as a byproduct.

Positive factors

  • Silver grade of 50.5 g/t is strong, adding significant byproduct value to the bonanza copper grade.

Evidence · table

“50.5”

Context: 4

Tags used in scoring

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

SPRD-02Pampa Medina · copperGrade: 1.07Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
SPRD-02
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.07
Grade Unit
%
Intercept
14 m
From
300 m
To
314 m
Hole Depth
750 m
Intercept Depth
222 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-02:300-314
Mining Method
open_pit

Location

Location
Central Zone
Easting
407098.68
Northing
7440648.05
CRS
WGS84 UTM
Elevation
1268.8 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This high-grade intercept further contributes to the overall positive results and demonstrates continuity of mineralization.

Positive factors

  • Exceptional copper grade of 1.07% over 14m, indicating a high-grade zone.

Evidence · table

“1.07”

Context: 14

Tags used in scoring

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

SPRD-02Pampa Medina · silverGrade: 6.6Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
SPRD-02
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
6.6
Grade Unit
g/t
Intercept
14 m
From
300 m
To
314 m
Hole Depth
750 m
Intercept Depth
222 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-02:300-314
Mining Method
open_pit

Location

Location
Central Zone
Easting
407098.68
Northing
7440648.05
CRS
WGS84 UTM
Elevation
1268.8 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Evidence · table

“6.6”

Context: 14

Tags used in scoring

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

SPRD-02Pampa Medina · copperGrade: 0.64Grade Unit: %Intercept: 12 mView all details
Link to this fact

Identity

Hole ID
SPRD-02
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.64
Grade Unit
%
Intercept
12 m
From
520 m
To
532 m
Hole Depth
750 m
Intercept Depth
222 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-02:520-532
Mining Method
open_pit

Location

Location
Central Zone
Easting
407098.68
Northing
7440648.05
CRS
WGS84 UTM
Elevation
1268.8 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates the persistence of copper mineralization at deeper levels, which is a positive indicator for the deposit's extent.

Positive factors

  • Strong copper grade of 0.64% over 12m, indicating continued mineralization at depth.

Evidence · table

“0.64”

Context: 12

Tags used in scoring

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

SPRD-02Pampa Medina · copperGrade: 0.94Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
SPRD-02
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.94
Grade Unit
%
Intercept
6 m
From
520 m
To
526 m
Hole Depth
750 m
Intercept Depth
222 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-02:520-526
Mining Method
open_pit

Location

Location
Central Zone
Easting
407098.68
Northing
7440648.05
CRS
WGS84 UTM
Elevation
1268.8 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This high-grade sub-interval confirms the presence of quality mineralization at deeper levels, which is a positive indicator for the deposit's extent.

Positive factors

  • Exceptional copper grade of 0.94% over 6m, indicating a high-grade zone at depth.

Evidence · table

“0.94”

Context: 6

Tags used in scoring

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

SPRD-03Pampa Medina · copperGrade: 0.31Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
SPRD-03
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.31
Grade Unit
%
Intercept
14 m
From
52 m
To
66 m
Hole Depth
700 m
Intercept Depth
52 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-03:52-66
Mining Method
open_pit

Location

Location
Central Zone
Easting
407341.64
Northing
7440651.25
CRS
WGS84 UTM
Elevation
1267.52 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept confirms near-surface mineralization, but its materiality is somewhat reduced by the presence of dyking.

Positive factors

  • Moderate copper grade of 0.31% over 14m, indicating near-surface mineralization.

Negative factors

  • Intercept was affected by pre and post mineral dyking, which may impact continuity.

Evidence · table

“0.31”

Context: 14

Tags used in scoring

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

SPRD-03Pampa Medina · copperGrade: 0.42Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-03
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.42
Grade Unit
%
Intercept
8 m
From
56 m
To
64 m
Hole Depth
700 m
Intercept Depth
52 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-03:56-64
Mining Method
open_pit

Location

Location
Central Zone
Easting
407341.64
Northing
7440651.25
CRS
WGS84 UTM
Elevation
1267.52 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This sub-interval shows a higher-grade core within the near-surface mineralization, but the dyking remains a factor.

Positive factors

  • Strong copper grade of 0.42% over 8m, indicating a higher-grade zone within the near-surface mineralization.

Negative factors

  • Intercept was affected by pre and post mineral dyking, which may impact continuity.

Evidence · table

“0.42”

Context: 8

Tags used in scoring

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

SPRD-06Pampa Medina · copperGrade: 0.38Grade Unit: %Intercept: 424 mView all details
Link to this fact

Identity

Hole ID
SPRD-06
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.38
Grade Unit
%
Intercept
424 m
From
424 m
To
848 m
Hole Depth
904 m
Intercept Depth
424 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-06:424-848
Mining Method
open_pit

Location

Location
Central Zone
Easting
406499.04
Northing
7440953.32
CRS
WGS84 UTM
Elevation
1282.57 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This extremely broad intercept is highly material, demonstrating the significant scale and continuity of the copper mineralization, which is a key positive for the project.

Positive factors

  • Exceptional intercept length of 424m, indicating a massive mineralized package.
  • Copper grade of 0.38% is strong for an open-pit deposit over such a broad interval.
  • Confirms the scale and continuity of the sediment-hosted copper system.

Evidence · table

“0.38”

Context: 424

Tags used in scoring

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

SPRD-06Pampa Medina · silverGrade: 2.2Grade Unit: g/tIntercept: 424 mView all details
Link to this fact

Identity

Hole ID
SPRD-06
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.2
Grade Unit
g/t
Intercept
424 m
From
424 m
To
848 m
Hole Depth
904 m
Intercept Depth
424 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-06:424-848
Mining Method
open_pit

Location

Location
Central Zone
Easting
406499.04
Northing
7440953.32
CRS
WGS84 UTM
Elevation
1282.57 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization over a very broad interval.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Evidence · table

“2.2”

Context: 424

Tags used in scoring

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

SPRD-06Pampa Medina · copperGrade: 1.02Grade Unit: %Intercept: 32 mView all details
Link to this fact

Identity

Hole ID
SPRD-06
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.02
Grade Unit
%
Intercept
32 m
From
432 m
To
464 m
Hole Depth
904 m
Intercept Depth
424 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-06:432-464
Mining Method
open_pit

Location

Location
Central Zone
Easting
406499.04
Northing
7440953.32
CRS
WGS84 UTM
Elevation
1282.57 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This high-grade sub-interval is highly material, demonstrating excellent copper concentration within the significant mineralized package.

Positive factors

  • Exceptional copper grade of 1.02% over 32m, indicating a high-grade zone within the broader intercept.
  • Contributes to the understanding of stacked mantos.

Evidence · table

“1.02”

Context: 32

Tags used in scoring

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

SPRD-06Pampa Medina · silverGrade: 3.1Grade Unit: g/tIntercept: 32 mView all details
Link to this fact

Identity

Hole ID
SPRD-06
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
3.1
Grade Unit
g/t
Intercept
32 m
From
432 m
To
464 m
Hole Depth
904 m
Intercept Depth
424 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-06:432-464
Mining Method
open_pit

Location

Location
Central Zone
Easting
406499.04
Northing
7440953.32
CRS
WGS84 UTM
Elevation
1282.57 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Evidence · table

“3.1”

Context: 32

Tags used in scoring

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

SPRD-06Pampa Medina · copperGrade: 1.23Grade Unit: %Intercept: 22 mView all details
Link to this fact

Identity

Hole ID
SPRD-06
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.23
Grade Unit
%
Intercept
22 m
From
492 m
To
514 m
Hole Depth
904 m
Intercept Depth
424 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-06:492-514
Mining Method
open_pit

Location

Location
Central Zone
Easting
406499.04
Northing
7440953.32
CRS
WGS84 UTM
Elevation
1282.57 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This high-grade intercept is highly material, confirming excellent copper concentration and contributing to the overall positive results.

Positive factors

  • Exceptional copper grade of 1.23% over 22m, indicating a high-grade zone.
  • Further supports the presence of stacked mantos.

Evidence · table

“1.23”

Context: 22

Tags used in scoring

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

SPRD-06Pampa Medina · silverGrade: 11.8Grade Unit: g/tIntercept: 22 mView all details
Link to this fact

Identity

Hole ID
SPRD-06
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
11.8
Grade Unit
g/t
Intercept
22 m
From
492 m
To
514 m
Hole Depth
904 m
Intercept Depth
424 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-06:492-514
Mining Method
open_pit

Location

Location
Central Zone
Easting
406499.04
Northing
7440953.32
CRS
WGS84 UTM
Elevation
1282.57 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade, while not exceptional, adds value as a byproduct to the high copper grade in this interval.

Positive factors

  • Silver grade of 11.8 g/t provides a good byproduct credit.

Evidence · table

“11.8”

Context: 22

Tags used in scoring

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

SPRD-06Pampa Medina · copperGrade: 2.54Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-06
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.54
Grade Unit
%
Intercept
8 m
From
494 m
To
502 m
Hole Depth
904 m
Intercept Depth
424 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-06:494-502
Mining Method
open_pit

Location

Location
Central Zone
Easting
406499.04
Northing
7440953.32
CRS
WGS84 UTM
Elevation
1282.57 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This bonanza-grade sub-interval is highly material, demonstrating the presence of very high-quality copper mineralization within the broader intercept.

Positive factors

  • Bonanza copper grade of 2.54% over 8m, indicating very high-grade mineralization.
  • Significantly enhances the overall prospectivity of the deposit.

Evidence · table

“2.54”

Context: 8

Tags used in scoring

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

SPRD-06Pampa Medina · silverGrade: 21Grade Unit: g/tIntercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-06
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
21
Grade Unit
g/t
Intercept
8 m
From
494 m
To
502 m
Hole Depth
904 m
Intercept Depth
424 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-06:494-502
Mining Method
open_pit

Location

Location
Central Zone
Easting
406499.04
Northing
7440953.32
CRS
WGS84 UTM
Elevation
1282.57 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade in this high-grade copper interval adds significant byproduct value.

Positive factors

  • Silver grade of 21.0 g/t provides a good byproduct credit.

Evidence · table

“21.0”

Context: 8

Tags used in scoring

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

SPRD-06Pampa Medina · copperGrade: 4.14Grade Unit: %Intercept: 2 mView all details
Link to this fact

Identity

Hole ID
SPRD-06
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
4.14
Grade Unit
%
Intercept
2 m
From
500 m
To
502 m
Hole Depth
904 m
Intercept Depth
424 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-06:500-502
Mining Method
open_pit

Location

Location
Central Zone
Easting
406499.04
Northing
7440953.32
CRS
WGS84 UTM
Elevation
1282.57 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This bonanza-grade intercept is a standout result, confirming the presence of very high-quality copper mineralization and significantly enhancing the project's potential.

Positive factors

  • Bonanza copper grade of 4.14% over 2m, indicating extremely high-grade mineralization.
  • This is a highly significant result, demonstrating exceptional quality within the deposit.

Evidence · table

“4.14”

Context: 2

Tags used in scoring

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

SPRD-06Pampa Medina · silverGrade: 29Grade Unit: g/tIntercept: 2 mView all details
Link to this fact

Identity

Hole ID
SPRD-06
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
29
Grade Unit
g/t
Intercept
2 m
From
500 m
To
502 m
Hole Depth
904 m
Intercept Depth
424 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-06:500-502
Mining Method
open_pit

Location

Location
Central Zone
Easting
406499.04
Northing
7440953.32
CRS
WGS84 UTM
Elevation
1282.57 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The high silver grade in this interval further enhances its economic potential as a byproduct.

Positive factors

  • Silver grade of 29.0 g/t provides a good byproduct credit, approaching the weak threshold for silver.

Evidence · table

“29.0”

Context: 2

Tags used in scoring

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

SPRD-06Pampa Medina · copperGrade: 1.53Grade Unit: %Intercept: 22 mView all details
Link to this fact

Identity

Hole ID
SPRD-06
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.53
Grade Unit
%
Intercept
22 m
From
562 m
To
584 m
Hole Depth
904 m
Intercept Depth
424 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-06:562-584
Mining Method
open_pit

Location

Location
Central Zone
Easting
406499.04
Northing
7440953.32
CRS
WGS84 UTM
Elevation
1282.57 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This high-grade intercept is highly material, confirming excellent copper concentration and contributing to the overall positive results.

Positive factors

  • Exceptional copper grade of 1.53% over 22m, indicating a high-grade zone.
  • Further supports the presence of stacked mantos.

Evidence · table

“1.53”

Context: 22

Tags used in scoring

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

SPRD-06Pampa Medina · silverGrade: 13.6Grade Unit: g/tIntercept: 22 mView all details
Link to this fact

Identity

Hole ID
SPRD-06
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
13.6
Grade Unit
g/t
Intercept
22 m
From
562 m
To
584 m
Hole Depth
904 m
Intercept Depth
424 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-06:562-584
Mining Method
open_pit

Location

Location
Central Zone
Easting
406499.04
Northing
7440953.32
CRS
WGS84 UTM
Elevation
1282.57 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade, while not exceptional, adds value as a byproduct to the high copper grade in this interval.

Positive factors

  • Silver grade of 13.6 g/t provides a good byproduct credit.

Evidence · table

“13.6”

Context: 22

Tags used in scoring

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

SPRD-06Pampa Medina · copperGrade: 2.7Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-06
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.7
Grade Unit
%
Intercept
8 m
From
568 m
To
576 m
Hole Depth
904 m
Intercept Depth
424 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-06:568-576
Mining Method
open_pit

Location

Location
Central Zone
Easting
406499.04
Northing
7440953.32
CRS
WGS84 UTM
Elevation
1282.57 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This bonanza-grade sub-interval is highly material, demonstrating the presence of very high-quality copper mineralization within the broader intercept.

Positive factors

  • Bonanza copper grade of 2.70% over 8m, indicating very high-grade mineralization.
  • Significantly enhances the overall prospectivity of the deposit.

Evidence · table

“2.70”

Context: 8

Tags used in scoring

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

SPRD-06Pampa Medina · silverGrade: 24.5Grade Unit: g/tIntercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-06
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
24.5
Grade Unit
g/t
Intercept
8 m
From
568 m
To
576 m
Hole Depth
904 m
Intercept Depth
424 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-06:568-576
Mining Method
open_pit

Location

Location
Central Zone
Easting
406499.04
Northing
7440953.32
CRS
WGS84 UTM
Elevation
1282.57 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade in this high-grade copper interval adds significant byproduct value.

Positive factors

  • Silver grade of 24.5 g/t provides a good byproduct credit.

Evidence · table

“24.5”

Context: 8

Tags used in scoring

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

SPRD-06Pampa Medina · copperGrade: 1.38Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
SPRD-06
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.38
Grade Unit
%
Intercept
10 m
From
698 m
To
708 m
Hole Depth
904 m
Intercept Depth
424 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-06:698-708
Mining Method
open_pit

Location

Location
Central Zone
Easting
406499.04
Northing
7440953.32
CRS
WGS84 UTM
Elevation
1282.57 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This high-grade intercept is highly material, confirming excellent copper concentration and contributing to the overall positive results at depth.

Positive factors

  • Exceptional copper grade of 1.38% over 10m, indicating a high-grade zone at depth.
  • Further supports the presence of stacked mantos.

Evidence · table

“1.38”

Context: 10

Tags used in scoring

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

SPRD-06Pampa Medina · silverGrade: 4.4Grade Unit: g/tIntercept: 10 mView all details
Link to this fact

Identity

Hole ID
SPRD-06
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
4.4
Grade Unit
g/t
Intercept
10 m
From
698 m
To
708 m
Hole Depth
904 m
Intercept Depth
424 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-06:698-708
Mining Method
open_pit

Location

Location
Central Zone
Easting
406499.04
Northing
7440953.32
CRS
WGS84 UTM
Elevation
1282.57 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Evidence · table

“4.4”

Context: 10

Tags used in scoring

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

SPRD-06Pampa Medina · copperGrade: 1.29Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-06
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.29
Grade Unit
%
Intercept
8 m
From
752 m
To
760 m
Hole Depth
904 m
Intercept Depth
424 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-06:752-760
Mining Method
open_pit

Location

Location
Central Zone
Easting
406499.04
Northing
7440953.32
CRS
WGS84 UTM
Elevation
1282.57 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This high-grade intercept is highly material, confirming excellent copper concentration and contributing to the overall positive results at depth.

Positive factors

  • Exceptional copper grade of 1.29% over 8m, indicating a high-grade zone at significant depth.
  • Further supports the presence of stacked mantos.

Evidence · table

“1.29”

Context: 8

Tags used in scoring

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

SPRD-06Pampa Medina · silverGrade: 10.8Grade Unit: g/tIntercept: 8 mView all details
Link to this fact

Identity

Hole ID
SPRD-06
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
10.8
Grade Unit
g/t
Intercept
8 m
From
752 m
To
760 m
Hole Depth
904 m
Intercept Depth
424 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SPRD-06:752-760
Mining Method
open_pit

Location

Location
Central Zone
Easting
406499.04
Northing
7440953.32
CRS
WGS84 UTM
Elevation
1282.57 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade, while not exceptional, adds value as a byproduct to the high copper grade in this interval.

Positive factors

  • Silver grade of 10.8 g/t provides a good byproduct credit.

Evidence · table

“10.8”

Context: 8

Tags used in scoring

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

SWRD-05Pampa Medina · copperGrade: 0.64Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
SWRD-05
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.64
Grade Unit
%
Intercept
10 m
From
26 m
To
36 m
Hole Depth
886 m
Intercept Depth
26 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-05:26-36
Mining Method
open_pit

Location

Location
Central Zone
Easting
406150.79
Northing
7440199.24
CRS
WGS84 UTM
Elevation
1285.23 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept confirms near-surface mineralization, contributing to the overall understanding of the deposit.

Positive factors

  • Strong copper grade of 0.64% over 10m, indicating near-surface mineralization.

Evidence · table

“0.64”

Context: 10

Tags used in scoring

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

SWRD-05Pampa Medina · copperGrade: 0.73Grade Unit: %Intercept: 68 mView all details
Link to this fact

Identity

Hole ID
SWRD-05
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.73
Grade Unit
%
Intercept
68 m
From
532 m
To
600 m
Hole Depth
886 m
Intercept Depth
26 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-05:532-600
Mining Method
open_pit

Location

Location
Central Zone
Easting
406150.79
Northing
7440199.24
CRS
WGS84 UTM
Elevation
1285.23 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This broad intercept demonstrates good copper grades over a substantial width, contributing positively to the deposit's scale.

Positive factors

  • Significant intercept length of 68m, indicating broad mineralization.
  • Copper grade of 0.73% is strong for an open-pit deposit.

Evidence · table

“0.73”

Context: 68

Tags used in scoring

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

SWRD-05Pampa Medina · silverGrade: 5.1Grade Unit: g/tIntercept: 68 mView all details
Link to this fact

Identity

Hole ID
SWRD-05
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
5.1
Grade Unit
g/t
Intercept
68 m
From
532 m
To
600 m
Hole Depth
886 m
Intercept Depth
26 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-05:532-600
Mining Method
open_pit

Location

Location
Central Zone
Easting
406150.79
Northing
7440199.24
CRS
WGS84 UTM
Elevation
1285.23 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Evidence · table

“5.1”

Context: 68

Tags used in scoring

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

SWRD-05Pampa Medina · copperGrade: 0.94Grade Unit: %Intercept: 36 mView all details
Link to this fact

Identity

Hole ID
SWRD-05
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.94
Grade Unit
%
Intercept
36 m
From
534 m
To
570 m
Hole Depth
886 m
Intercept Depth
26 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-05:534-570
Mining Method
open_pit

Location

Location
Central Zone
Easting
406150.79
Northing
7440199.24
CRS
WGS84 UTM
Elevation
1285.23 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This high-grade sub-interval significantly enhances the overall quality of the broader intercept, demonstrating excellent copper mineralization.

Positive factors

  • Exceptional copper grade of 0.94% over 36m, indicating a high-grade zone within the broader intercept.

Evidence · table

“0.94”

Context: 36

Tags used in scoring

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

SWRD-05Pampa Medina · silverGrade: 6.3Grade Unit: g/tIntercept: 36 mView all details
Link to this fact

Identity

Hole ID
SWRD-05
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
6.3
Grade Unit
g/t
Intercept
36 m
From
534 m
To
570 m
Hole Depth
886 m
Intercept Depth
26 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-05:534-570
Mining Method
open_pit

Location

Location
Central Zone
Easting
406150.79
Northing
7440199.24
CRS
WGS84 UTM
Elevation
1285.23 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Evidence · table

“6.3”

Context: 36

Tags used in scoring

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

SWRD-05Pampa Medina · copperGrade: 1Grade Unit: %Intercept: 30 mView all details
Link to this fact

Identity

Hole ID
SWRD-05
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1
Grade Unit
%
Intercept
30 m
From
536 m
To
566 m
Hole Depth
886 m
Intercept Depth
26 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-05:536-566
Mining Method
open_pit

Location

Location
Central Zone
Easting
406150.79
Northing
7440199.24
CRS
WGS84 UTM
Elevation
1285.23 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This high-grade sub-interval further enhances the overall quality of the broader intercept, demonstrating excellent copper mineralization.

Positive factors

  • Exceptional copper grade of 1.00% over 30m, indicating a high-grade core within the broader intercept.

Evidence · table

“1.00”

Context: 30

Tags used in scoring

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

SWRD-05Pampa Medina · silverGrade: 7.3Grade Unit: g/tIntercept: 30 mView all details
Link to this fact

Identity

Hole ID
SWRD-05
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
7.3
Grade Unit
g/t
Intercept
30 m
From
536 m
To
566 m
Hole Depth
886 m
Intercept Depth
26 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-05:536-566
Mining Method
open_pit

Location

Location
Central Zone
Easting
406150.79
Northing
7440199.24
CRS
WGS84 UTM
Elevation
1285.23 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Evidence · table

“7.3”

Context: 30

Tags used in scoring

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

SWRD-05Pampa Medina · copperGrade: 1.3Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
SWRD-05
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.3
Grade Unit
%
Intercept
10 m
From
536 m
To
546 m
Hole Depth
886 m
Intercept Depth
26 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-05:536-546
Mining Method
open_pit

Location

Location
Central Zone
Easting
406150.79
Northing
7440199.24
CRS
WGS84 UTM
Elevation
1285.23 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This high-grade sub-interval further enhances the overall quality of the broader intercept, demonstrating excellent copper mineralization.

Positive factors

  • Exceptional copper grade of 1.30% over 10m, indicating a high-grade core within the broader intercept.

Evidence · table

“1.30”

Context: 10

Tags used in scoring

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

SWRD-05Pampa Medina · silverGrade: 12.4Grade Unit: g/tIntercept: 10 mView all details
Link to this fact

Identity

Hole ID
SWRD-05
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
12.4
Grade Unit
g/t
Intercept
10 m
From
536 m
To
546 m
Hole Depth
886 m
Intercept Depth
26 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-05:536-546
Mining Method
open_pit

Location

Location
Central Zone
Easting
406150.79
Northing
7440199.24
CRS
WGS84 UTM
Elevation
1285.23 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade, while not exceptional, adds value as a byproduct to the high copper grade in this interval.

Positive factors

  • Silver grade of 12.4 g/t provides a good byproduct credit.

Evidence · table

“12.4”

Context: 10

Tags used in scoring

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

SWRD-05Pampa Medina · copperGrade: 2.36Grade Unit: %Intercept: 2 mView all details
Link to this fact

Identity

Hole ID
SWRD-05
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.36
Grade Unit
%
Intercept
2 m
From
564 m
To
566 m
Hole Depth
886 m
Intercept Depth
26 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-05:564-566
Mining Method
open_pit

Location

Location
Central Zone
Easting
406150.79
Northing
7440199.24
CRS
WGS84 UTM
Elevation
1285.23 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This bonanza-grade intercept is a standout result, confirming the presence of very high-quality copper mineralization.

Positive factors

  • Bonanza copper grade of 2.36% over 2m, indicating very high-grade mineralization.

Evidence · table

“2.36”

Context: 2

Tags used in scoring

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

SWRD-05Pampa Medina · silverGrade: 26Grade Unit: g/tIntercept: 2 mView all details
Link to this fact

Identity

Hole ID
SWRD-05
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
26
Grade Unit
g/t
Intercept
2 m
From
564 m
To
566 m
Hole Depth
886 m
Intercept Depth
26 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-05:564-566
Mining Method
open_pit

Location

Location
Central Zone
Easting
406150.79
Northing
7440199.24
CRS
WGS84 UTM
Elevation
1285.23 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade in this high-grade copper interval adds significant byproduct value.

Positive factors

  • Silver grade of 26.0 g/t provides a good byproduct credit.

Evidence · table

“26.0”

Context: 2

Tags used in scoring

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

SWRD-05Pampa Medina · copperGrade: 2.29Grade Unit: %Intercept: 4 mView all details
Link to this fact

Identity

Hole ID
SWRD-05
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.29
Grade Unit
%
Intercept
4 m
From
596 m
To
600 m
Hole Depth
886 m
Intercept Depth
26 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-05:596-600
Mining Method
open_pit

Location

Location
Central Zone
Easting
406150.79
Northing
7440199.24
CRS
WGS84 UTM
Elevation
1285.23 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This bonanza-grade intercept is a standout result, confirming the presence of very high-quality copper mineralization.

Positive factors

  • Bonanza copper grade of 2.29% over 4m, indicating very high-grade mineralization.

Evidence · table

“2.29”

Context: 4

Tags used in scoring

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

SWRD-05Pampa Medina · silverGrade: 29Grade Unit: g/tIntercept: 4 mView all details
Link to this fact

Identity

Hole ID
SWRD-05
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
29
Grade Unit
g/t
Intercept
4 m
From
596 m
To
600 m
Hole Depth
886 m
Intercept Depth
26 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-05:596-600
Mining Method
open_pit

Location

Location
Central Zone
Easting
406150.79
Northing
7440199.24
CRS
WGS84 UTM
Elevation
1285.23 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The high silver grade in this interval further enhances its economic potential as a byproduct.

Positive factors

  • Silver grade of 29.0 g/t provides a good byproduct credit, approaching the weak threshold for silver.

Evidence · table

“29.0”

Context: 4

Tags used in scoring

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

SWRD-06BPampa Medina · copperGrade: 1.15Grade Unit: %Intercept: 4 mView all details
Link to this fact

Identity

Hole ID
SWRD-06B
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.15
Grade Unit
%
Intercept
4 m
From
644 m
To
648 m
Hole Depth
860 m
Intercept Depth
644 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-06B:644-648
Mining Method
open_pit

Location

Location
Central Zone
Easting
405843.17
Northing
7440197.99
CRS
WGS84 UTM
Elevation
1291.39 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This high-grade intercept confirms the presence of quality mineralization at deeper levels, which is a positive indicator for the deposit's extent.

Positive factors

  • Exceptional copper grade of 1.15% over 4m, indicating a high-grade zone at depth.

Evidence · table

“1.15”

Context: 4

Tags used in scoring

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

SWRD-06BPampa Medina · silverGrade: 27Grade Unit: g/tIntercept: 4 mView all details
Link to this fact

Identity

Hole ID
SWRD-06B
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
27
Grade Unit
g/t
Intercept
4 m
From
644 m
To
648 m
Hole Depth
860 m
Intercept Depth
644 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-06B:644-648
Mining Method
open_pit

Location

Location
Central Zone
Easting
405843.17
Northing
7440197.99
CRS
WGS84 UTM
Elevation
1291.39 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade in this high-grade copper interval adds significant byproduct value.

Positive factors

  • Silver grade of 27.0 g/t provides a good byproduct credit, approaching the weak threshold for silver.

Evidence · table

“27.0”

Context: 4

Tags used in scoring

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

SWRD-07Pampa Medina · copperGrade: 0.42Grade Unit: %Intercept: 30 mView all details
Link to this fact

Identity

Hole ID
SWRD-07
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.42
Grade Unit
%
Intercept
30 m
From
428 m
To
458 m
Hole Depth
750 m
Intercept Depth
428 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-07:428-458
Mining Method
open_pit

Location

Location
Central Zone
Easting
405601.01
Northing
7440201.3
CRS
WGS84 UTM
Elevation
1297.84 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept confirms mineralization over a good width, but the presence of dykes introduces some geological complexity.

Positive factors

  • Strong copper grade of 0.42% over 30m, indicating broad mineralization.

Negative factors

  • Intercept was impacted by pre and post mineral dykes, which may affect continuity.

Evidence · table

“0.42”

Context: 30

Tags used in scoring

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

SWRD-07Pampa Medina · silverGrade: 3.4Grade Unit: g/tIntercept: 30 mView all details
Link to this fact

Identity

Hole ID
SWRD-07
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
3.4
Grade Unit
g/t
Intercept
30 m
From
428 m
To
458 m
Hole Depth
750 m
Intercept Depth
428 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-07:428-458
Mining Method
open_pit

Location

Location
Central Zone
Easting
405601.01
Northing
7440201.3
CRS
WGS84 UTM
Elevation
1297.84 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization, despite the presence of dykes.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Negative factors

  • Intercept was impacted by pre and post mineral dykes, which may affect continuity.

Evidence · table

“3.4”

Context: 30

Tags used in scoring

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

SWRD-07Pampa Medina · copperGrade: 0.52Grade Unit: %Intercept: 20 mView all details
Link to this fact

Identity

Hole ID
SWRD-07
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.52
Grade Unit
%
Intercept
20 m
From
436 m
To
456 m
Hole Depth
750 m
Intercept Depth
428 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-07:436-456
Mining Method
open_pit

Location

Location
Central Zone
Easting
405601.01
Northing
7440201.3
CRS
WGS84 UTM
Elevation
1297.84 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This sub-interval shows a higher-grade core within the mineralization, but the dyking remains a factor.

Positive factors

  • Strong copper grade of 0.52% over 20m, indicating a higher-grade zone within the broader intercept.

Negative factors

  • Intercept was impacted by pre and post mineral dykes, which may affect continuity.

Evidence · table

“0.52”

Context: 20

Tags used in scoring

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

SWRD-07Pampa Medina · silverGrade: 5.1Grade Unit: g/tIntercept: 20 mView all details
Link to this fact

Identity

Hole ID
SWRD-07
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
5.1
Grade Unit
g/t
Intercept
20 m
From
436 m
To
456 m
Hole Depth
750 m
Intercept Depth
428 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-07:436-456
Mining Method
open_pit

Location

Location
Central Zone
Easting
405601.01
Northing
7440201.3
CRS
WGS84 UTM
Elevation
1297.84 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization, despite the presence of dykes.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Negative factors

  • Intercept was impacted by pre and post mineral dykes, which may affect continuity.

Evidence · table

“5.1”

Context: 20

Tags used in scoring

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

SWRD-07Pampa Medina · copperGrade: 1.01Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
SWRD-07
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.01
Grade Unit
%
Intercept
6 m
From
454 m
To
460 m
Hole Depth
750 m
Intercept Depth
428 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-07:454-460
Mining Method
open_pit

Location

Location
Central Zone
Easting
405601.01
Northing
7440201.3
CRS
WGS84 UTM
Elevation
1297.84 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This high-grade intercept further contributes to the overall positive results and demonstrates continuity of mineralization.

Positive factors

  • Exceptional copper grade of 1.01% over 6m, indicating a high-grade zone.

Evidence · table

“1.01”

Context: 6

Tags used in scoring

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

SWRD-07Pampa Medina · silverGrade: 11Grade Unit: g/tIntercept: 6 mView all details
Link to this fact

Identity

Hole ID
SWRD-07
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
11
Grade Unit
g/t
Intercept
6 m
From
454 m
To
460 m
Hole Depth
750 m
Intercept Depth
428 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-07:454-460
Mining Method
open_pit

Location

Location
Central Zone
Easting
405601.01
Northing
7440201.3
CRS
WGS84 UTM
Elevation
1297.84 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade, while not exceptional, adds value as a byproduct to the high copper grade in this interval.

Positive factors

  • Silver grade of 11.0 g/t provides a good byproduct credit.

Evidence · table

“11.0”

Context: 6

Tags used in scoring

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

SWRD-07Pampa Medina · copperGrade: 0.35Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
SWRD-07
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.35
Grade Unit
%
Intercept
6 m
From
538 m
To
544 m
Hole Depth
750 m
Intercept Depth
428 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-07:538-544
Mining Method
open_pit

Location

Location
Central Zone
Easting
405601.01
Northing
7440201.3
CRS
WGS84 UTM
Elevation
1297.84 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept confirms the presence of mineralization, contributing to the overall understanding of the deposit.

Positive factors

  • Moderate copper grade of 0.35% over 6m, indicating continued mineralization.

Evidence · table

“0.35”

Context: 6

Tags used in scoring

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

SWRD-08APampa Medina · copperGrade: 0.52Grade Unit: %Intercept: 28 mView all details
Link to this fact

Identity

Hole ID
SWRD-08A
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.52
Grade Unit
%
Intercept
28 m
From
202 m
To
230 m
Hole Depth
500 m
Intercept Depth
202 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-08A:202-230
Mining Method
open_pit

Location

Location
Central Zone
Easting
405591.6
Northing
7440489.96
CRS
WGS84 UTM
Elevation
1300.92 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept confirms mineralization over a good width, contributing to the overall understanding of the deposit.

Positive factors

  • Strong copper grade of 0.52% over 28m, indicating broad mineralization.

Evidence · table

“0.52”

Context: 28

Tags used in scoring

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

SWRD-08APampa Medina · silverGrade: 1.5Grade Unit: g/tIntercept: 28 mView all details
Link to this fact

Identity

Hole ID
SWRD-08A
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.5
Grade Unit
g/t
Intercept
28 m
From
202 m
To
230 m
Hole Depth
500 m
Intercept Depth
202 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-08A:202-230
Mining Method
open_pit

Location

Location
Central Zone
Easting
405591.6
Northing
7440489.96
CRS
WGS84 UTM
Elevation
1300.92 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Evidence · table

“1.5”

Context: 28

Tags used in scoring

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

SWRD-08APampa Medina · copperGrade: 0.67Grade Unit: %Intercept: 12 mView all details
Link to this fact

Identity

Hole ID
SWRD-08A
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.67
Grade Unit
%
Intercept
12 m
From
418 m
To
430 m
Hole Depth
500 m
Intercept Depth
202 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-08A:418-430
Mining Method
open_pit

Location

Location
Central Zone
Easting
405591.6
Northing
7440489.96
CRS
WGS84 UTM
Elevation
1300.92 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates the persistence of copper mineralization at deeper levels, which is a positive indicator for the deposit's extent.

Positive factors

  • Strong copper grade of 0.67% over 12m, indicating continued mineralization at depth.

Evidence · table

“0.67”

Context: 12

Tags used in scoring

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

SWRD-08APampa Medina · silverGrade: 3.2Grade Unit: g/tIntercept: 12 mView all details
Link to this fact

Identity

Hole ID
SWRD-08A
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
3.2
Grade Unit
g/t
Intercept
12 m
From
418 m
To
430 m
Hole Depth
500 m
Intercept Depth
202 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-08A:418-430
Mining Method
open_pit

Location

Location
Central Zone
Easting
405591.6
Northing
7440489.96
CRS
WGS84 UTM
Elevation
1300.92 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Evidence · table

“3.2”

Context: 12

Tags used in scoring

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

SWRD-08APampa Medina · copperGrade: 1.01Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
SWRD-08A
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.01
Grade Unit
%
Intercept
6 m
From
454 m
To
460 m
Hole Depth
500 m
Intercept Depth
202 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-08A:454-460
Mining Method
open_pit

Location

Location
Central Zone
Easting
405591.6
Northing
7440489.96
CRS
WGS84 UTM
Elevation
1300.92 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This high-grade intercept further contributes to the overall positive results and demonstrates continuity of mineralization.

Positive factors

  • Exceptional copper grade of 1.01% over 6m, indicating a high-grade zone.

Evidence · table

“1.01”

Context: 6

Tags used in scoring

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

SWRD-08APampa Medina · silverGrade: 11Grade Unit: g/tIntercept: 6 mView all details
Link to this fact

Identity

Hole ID
SWRD-08A
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
11
Grade Unit
g/t
Intercept
6 m
From
454 m
To
460 m
Hole Depth
500 m
Intercept Depth
202 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-08A:454-460
Mining Method
open_pit

Location

Location
Central Zone
Easting
405591.6
Northing
7440489.96
CRS
WGS84 UTM
Elevation
1300.92 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade, while not exceptional, adds value as a byproduct to the high copper grade in this interval.

Positive factors

  • Silver grade of 11.0 g/t provides a good byproduct credit.

Evidence · table

“11.0”

Context: 6

Tags used in scoring

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

SWRD-09Pampa Medina · copperGrade: 0.45Grade Unit: %Intercept: 16 mView all details
Link to this fact

Identity

Hole ID
SWRD-09
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.45
Grade Unit
%
Intercept
16 m
From
166 m
To
182 m
Hole Depth
950 m
Intercept Depth
166 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-09:166-182
Mining Method
open_pit

Location

Location
Central Zone
Easting
405898.26
Northing
7441100.06
CRS
WGS84 UTM
Elevation
1299.97 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept confirms mineralization over a good width, contributing to the overall understanding of the deposit.

Positive factors

  • Strong copper grade of 0.45% over 16m, indicating continued mineralization.

Evidence · table

“0.45”

Context: 16

Tags used in scoring

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

SWRD-09Pampa Medina · silverGrade: 5.3Grade Unit: g/tIntercept: 16 mView all details
Link to this fact

Identity

Hole ID
SWRD-09
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
5.3
Grade Unit
g/t
Intercept
16 m
From
166 m
To
182 m
Hole Depth
950 m
Intercept Depth
166 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-09:166-182
Mining Method
open_pit

Location

Location
Central Zone
Easting
405898.26
Northing
7441100.06
CRS
WGS84 UTM
Elevation
1299.97 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Evidence · table

“5.3”

Context: 16

Tags used in scoring

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

SWRD-09Pampa Medina · copperGrade: 0.62Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
SWRD-09
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.62
Grade Unit
%
Intercept
10 m
From
168 m
To
178 m
Hole Depth
950 m
Intercept Depth
166 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-09:168-178
Mining Method
open_pit

Location

Location
Central Zone
Easting
405898.26
Northing
7441100.06
CRS
WGS84 UTM
Elevation
1299.97 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This sub-interval highlights a higher-grade core within the broader mineralization, enhancing the overall prospectivity.

Positive factors

  • Strong copper grade of 0.62% over 10m, indicating a higher-grade zone within the broader intercept.

Evidence · table

“0.62”

Context: 10

Tags used in scoring

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

SWRD-09Pampa Medina · silverGrade: 7.8Grade Unit: g/tIntercept: 10 mView all details
Link to this fact

Identity

Hole ID
SWRD-09
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
7.8
Grade Unit
g/t
Intercept
10 m
From
168 m
To
178 m
Hole Depth
950 m
Intercept Depth
166 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-09:168-178
Mining Method
open_pit

Location

Location
Central Zone
Easting
405898.26
Northing
7441100.06
CRS
WGS84 UTM
Elevation
1299.97 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Evidence · table

“7.8”

Context: 10

Tags used in scoring

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

SWRD-09Pampa Medina · copperGrade: 0.68Grade Unit: %Intercept: 16 mView all details
Link to this fact

Identity

Hole ID
SWRD-09
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.68
Grade Unit
%
Intercept
16 m
From
592 m
To
608 m
Hole Depth
950 m
Intercept Depth
166 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-09:592-608
Mining Method
open_pit

Location

Location
Central Zone
Easting
405898.26
Northing
7441100.06
CRS
WGS84 UTM
Elevation
1299.97 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates the persistence of copper mineralization at deeper levels, which is a positive indicator for the deposit's extent.

Positive factors

  • Strong copper grade of 0.68% over 16m, indicating continued mineralization at depth.

Evidence · table

“0.68”

Context: 16

Tags used in scoring

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

SWRD-09Pampa Medina · silverGrade: 3.4Grade Unit: g/tIntercept: 16 mView all details
Link to this fact

Identity

Hole ID
SWRD-09
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
3.4
Grade Unit
g/t
Intercept
16 m
From
592 m
To
608 m
Hole Depth
950 m
Intercept Depth
166 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-09:592-608
Mining Method
open_pit

Location

Location
Central Zone
Easting
405898.26
Northing
7441100.06
CRS
WGS84 UTM
Elevation
1299.97 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Evidence · table

“3.4”

Context: 16

Tags used in scoring

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

SWRD-09Pampa Medina · copperGrade: 0.82Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
SWRD-09
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.82
Grade Unit
%
Intercept
6 m
From
594 m
To
600 m
Hole Depth
950 m
Intercept Depth
166 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-09:594-600
Mining Method
open_pit

Location

Location
Central Zone
Easting
405898.26
Northing
7441100.06
CRS
WGS84 UTM
Elevation
1299.97 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This high-grade sub-interval confirms the presence of quality mineralization at deeper levels, which is a positive indicator for the deposit's extent.

Positive factors

  • Exceptional copper grade of 0.82% over 6m, indicating a high-grade zone at depth.

Evidence · table

“0.82”

Context: 6

Tags used in scoring

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

SWRD-09Pampa Medina · silverGrade: 3.7Grade Unit: g/tIntercept: 6 mView all details
Link to this fact

Identity

Hole ID
SWRD-09
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
3.7
Grade Unit
g/t
Intercept
6 m
From
594 m
To
600 m
Hole Depth
950 m
Intercept Depth
166 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SWRD-09:594-600
Mining Method
open_pit

Location

Location
Central Zone
Easting
405898.26
Northing
7441100.06
CRS
WGS84 UTM
Elevation
1299.97 m
Azimuth
270 °
Dip
-55 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Evidence · table

“3.7”

Context: 6

Tags used in scoring

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

SMRD-14Pampa Medina · copperGrade: 0.4Grade Unit: %Intercept: 12 mView all details
Link to this fact

Identity

Hole ID
SMRD-14
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.4
Grade Unit
%
Intercept
12 m
From
406 m
To
418 m
Hole Depth
838 m
Intercept Depth
406 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SMRD-14:406-418
Mining Method
open_pit

Location

Location
Central Zone
Easting
405498.93
Northing
7440800.38
CRS
WGS84 UTM
Elevation
1305.9 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept confirms mineralization over a good width, contributing to the overall understanding of the deposit.

Positive factors

  • Strong copper grade of 0.40% over 12m, indicating continued mineralization.

Evidence · table

“0.40”

Context: 12

Tags used in scoring

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

SMRD-14Pampa Medina · copperGrade: 0.52Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
SMRD-14
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.52
Grade Unit
%
Intercept
8 m
From
408 m
To
416 m
Hole Depth
838 m
Intercept Depth
406 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SMRD-14:408-416
Mining Method
open_pit

Location

Location
Central Zone
Easting
405498.93
Northing
7440800.38
CRS
WGS84 UTM
Elevation
1305.9 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This sub-interval highlights a higher-grade core within the broader mineralization, enhancing the overall prospectivity.

Positive factors

  • Strong copper grade of 0.52% over 8m, indicating a higher-grade zone within the broader intercept.

Evidence · table

“0.52”

Context: 8

Tags used in scoring

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

SMRD-14Pampa Medina · copperGrade: 0.54Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
SMRD-14
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.54
Grade Unit
%
Intercept
14 m
From
428 m
To
442 m
Hole Depth
838 m
Intercept Depth
406 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SMRD-14:428-442
Mining Method
open_pit

Location

Location
Central Zone
Easting
405498.93
Northing
7440800.38
CRS
WGS84 UTM
Elevation
1305.9 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept confirms mineralization over a good width, contributing to the overall understanding of the deposit.

Positive factors

  • Strong copper grade of 0.54% over 14m, indicating continued mineralization.

Evidence · table

“0.54”

Context: 14

Tags used in scoring

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

SMRD-14Pampa Medina · copperGrade: 0.67Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
SMRD-14
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.67
Grade Unit
%
Intercept
8 m
From
432 m
To
440 m
Hole Depth
838 m
Intercept Depth
406 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SMRD-14:432-440
Mining Method
open_pit

Location

Location
Central Zone
Easting
405498.93
Northing
7440800.38
CRS
WGS84 UTM
Elevation
1305.9 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This sub-interval highlights a higher-grade core within the broader mineralization, enhancing the overall prospectivity.

Positive factors

  • Strong copper grade of 0.67% over 8m, indicating a higher-grade zone within the broader intercept.

Evidence · table

“0.67”

Context: 8

Tags used in scoring

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

SMRD-14Pampa Medina · copperGrade: 0.51Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
SMRD-14
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.51
Grade Unit
%
Intercept
14 m
From
478 m
To
492 m
Hole Depth
838 m
Intercept Depth
406 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SMRD-14:478-492
Mining Method
open_pit

Location

Location
Central Zone
Easting
405498.93
Northing
7440800.38
CRS
WGS84 UTM
Elevation
1305.9 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept confirms mineralization over a good width, contributing to the overall understanding of the deposit.

Positive factors

  • Strong copper grade of 0.51% over 14m, indicating continued mineralization.

Evidence · table

“0.51”

Context: 14

Tags used in scoring

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

SMRD-14Pampa Medina · silverGrade: 1.1Grade Unit: g/tIntercept: 14 mView all details
Link to this fact

Identity

Hole ID
SMRD-14
Project
Pampa Medina
Commodity
silver
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.1
Grade Unit
g/t
Intercept
14 m
From
478 m
To
492 m
Hole Depth
838 m
Intercept Depth
406 m

Classification

Deposit Type
other
Program
exploration
Sample Type
drill
Group ID
SMRD-14:478-492
Mining Method
open_pit

Location

Location
Central Zone
Easting
405498.93
Northing
7440800.38
CRS
WGS84 UTM
Elevation
1305.9 m
Azimuth
270 °
Dip
-60 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: The silver grade is low but contributes to the overall polymetallic nature of the mineralization.

Positive factors

  • Silver is present as a secondary commodity alongside copper.

Evidence · table

“1.1”

Context: 14

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 0.58Grade Unit: %Intercept: 424 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.58
Grade Unit
%
Intercept
424 m
From
424 m
To
848 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“424m of 0.58% Cu and 2.2g/t Ag from 424m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 1.02Grade Unit: %Intercept: 32 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.02
Grade Unit
%
Intercept
32 m
From
432 m
To
464 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“32m of 1.02% Cu and 3.1 g/t Ag from 432m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 2.54Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.54
Grade Unit
%
Intercept
8 m
From
494 m
To
502 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“8m of 2.54% Cu and 21.0 g/t Ag from 494m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 1.23Grade Unit: %Intercept: 22 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.23
Grade Unit
%
Intercept
22 m
From
492 m
To
514 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“22m of 1.23% Cu and 11.8 g/t Ag from 492m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 2.23Grade Unit: %Intercept: 12 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.23
Grade Unit
%
Intercept
12 m
From
568 m
To
580 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“12m of 2.23% Cu and 19.7 g/t Ag from 568m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 1.53Grade Unit: %Intercept: 22 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.53
Grade Unit
%
Intercept
22 m
From
564 m
To
586 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“22m of 1.53% Cu and 13.6 g/t Ag from 564m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 1.38Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.38
Grade Unit
%
Intercept
10 m
From
698 m
To
708 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“10m of 1.38% Cu and 4.4 g/t Ag from 698m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 1.29Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.29
Grade Unit
%
Intercept
8 m
From
752 m
To
760 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“8m of 1.29% Cu and 10.8 g/t Ag from 752m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 0.5Grade Unit: %Intercept: 166 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.5
Grade Unit
%
Intercept
166 m
From
222 m
To
388 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“166m of 0.50% Cu and 3.9 g/t Ag from 222m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 1.17Grade Unit: %Intercept: 24 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.17
Grade Unit
%
Intercept
24 m
From
222 m
To
246 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“24m of 1.17% Cu and 11.8g/t Ag from 222m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 2.47Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.47
Grade Unit
%
Intercept
10 m
From
228 m
To
238 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“10m of 2.47% Cu and 27.4g/t Ag from 228m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 1.07Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.07
Grade Unit
%
Intercept
14 m
From
300 m
To
314 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“14m of 1.07% Cu and 6.6 g/t Ag from 300m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 0.94Grade Unit: %Intercept: 6 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.94
Grade Unit
%
Intercept
6 m
From
520 m
To
526 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“6m of 0.94% Cu from 520m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 0.64Grade Unit: %Intercept: 12 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.64
Grade Unit
%
Intercept
12 m
From
520 m
To
532 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“12m of 0.64% Cu from 520m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 1Grade Unit: %Intercept: 30 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1
Grade Unit
%
Intercept
30 m
From
536 m
To
566 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“30m of 1.00% Cu and 7.3 g/t Ag (sulphide) from 536m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 2.29Grade Unit: %Intercept: 4 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
2.29
Grade Unit
%
Intercept
4 m
From
596 m
To
600 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“4m of 2.29% Cu and 29.0 g/t Ag from 596m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 0.73Grade Unit: %Intercept: 68 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.73
Grade Unit
%
Intercept
68 m
From
532 m
To
600 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“68m of 0.73% Cu and 5.1 g/t Ag from 532m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 0.41Grade Unit: %Intercept: 146 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.41
Grade Unit
%
Intercept
146 m
From
286 m
To
432 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“146m of 0.41% Cu and 1.9g/t Ag from 286m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 0.56Grade Unit: %Intercept: 50 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.56
Grade Unit
%
Intercept
50 m
From
290 m
To
340 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“50m of 0.56% Cu and 2.4g/t Ag (oxide) from 290m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 1.9Grade Unit: %Intercept: 10 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
1.9
Grade Unit
%
Intercept
10 m
From
306 m
To
316 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“10m of 1.90% Cu and 10.6g/t Ag from 306m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 0.61Grade Unit: %Intercept: 24 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.61
Grade Unit
%
Intercept
24 m
From
372 m
To
396 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“24m of 0.61% Cu and 1.7g/t Ag from 372m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 0.79Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.79
Grade Unit
%
Intercept
14 m
From
382 m
To
396 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“14m of 0.79% Cu and 2.9g/t Ag from 382m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 0.31Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.31
Grade Unit
%
Intercept
14 m
From
52 m
To
66 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“14m of 0.31% Cu from 52m”

Tags used in scoring

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

SMRD-13Pampa Medina · copperGrade: 0.42Grade Unit: %Intercept: 8 mView all details
Link to this fact

Identity

Hole ID
SMRD-13
Project
Pampa Medina
Commodity
copper
Region
chile
Reported Region
chile
Ticker
MARI

Geometry

Grade
0.42
Grade Unit
%
Intercept
8 m
From
56 m
To
64 m

Classification

Deposit Type
other
Sample Type
drill

Location

Location
Central Zone
Loc. Source
document

QA/QC

Laboratory
Andes Analytical Assay
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-05-19T00:00:00.000Z

Reasoning: This intercept demonstrates significant width and a strong copper grade, contributing positively to the understanding of the deposit's scale and continuity in a step-out context.

Positive factors

  • Significant intercept length of 146m, indicating broad mineralization.
  • Copper grade of 0.41% is strong for an open-pit deposit.
  • Part of a step-out drilling program, contributing to resource expansion.

Evidence · text

“8m of 0.42% Cu from 56 m”

Tags used in scoring

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

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.