STM: Hong Kong Ignite presentation

Original announcement by asx on

Company
Sunstone Metals Limited
Ticker
STM
Exchange
ASX
Region
Unavailable
Primary commodity
Gold
Secondary commodities
Copper, Silver
Document categories
Resource update, Other, Metallurgy
Extracted
2026-10-14 00:12:17 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Sunstone Metals Limited announced a significant upgrade to its global mineral resource, now totaling 7.4 Moz AuEq, driven by a 72% increase at its Bramaderos project to 6.2 Moz AuEq. The Bramaderos update includes a substantial portion of Indicated Resources, enhancing project confidence. Additionally, the company reported improved metallurgical recoveries for gold and copper at Bramaderos, further de-risking future studies.

Reasoning: Sunstone Metals announced a significant upgrade to its global mineral resource, primarily driven by a 72% increase at the Bramaderos project, with a substantial portion now in the Indicated category. This de-risks the project and is complemented by improved metallurgical recoveries for gold and copper. The El Palmar project also has a maiden resource, though with a large inferred component.

Positive factors

  • Resource growth
  • Category upgrade
  • Contained metal growth
  • Recovery improving
  • JORC Compliant
  • QP/CP Signed

Negative factors

  • Cut-off Undisclosed
  • Large inferred component for El Palmar

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

Facts used in scoring: 16

Classification and evidence

Tonnage Growthpositive

Significant tonnage increase (≥15%) vs prior estimate with grade maintained or improved.

Why it applies: The Bramaderos Mineral Resource grew 72% to 6.2Moz AuEq.

Evidence · text

“Bramaderos Oct-26 Mineral Resource grew 72% to 6.2Moz AuEq”

Category Upgradepositive

Resource confidence improved — Inferred upgraded to Indicated, or Indicated to Measured. De-risking signal.

Why it applies: The expanded inventory includes Indicated Resources of 3.3Moz AuEq, derisking the Bramaderos resource.

Evidence · text

“Expanded inventory includes Indicated Resources of 3.3Moz AuEq”

Contained Metal Growthpositive

True scale improvement — contained metal ounces/tonnes increased vs prior, accounting for both tonnage and grade changes.

Why it applies: The Bramaderos Mineral Resource grew 72% to 6.2Moz AuEq, indicating a significant increase in contained metal.

Evidence · text

“Bramaderos Oct-26 Mineral Resource grew 72% to 6.2Moz AuEq”

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: Both Bramaderos and El Palmar resources are reported under JORC Code.

Evidence · text

“Maiden JORC Resource”

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: Ms Emily Henry and Mr Rob Spiers are named as Competent Persons for the respective Mineral Resources.

Evidence · text

“Ms Emily Henry, an employee of Exora Consulting Pty Ltd and a Member of the Australasian Institute of Mining and Metallurgy (MAusIMM).”

Cut-off Undisclosednegative

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

Why it applies: The resource tables for Bramaderos and El Palmar do not explicitly state the cut-off grades used for the estimates.

Evidence · table

“JORC Classification”

Context: Tonnage (Mt)

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: The document announces an updated Mineral Resource Estimate for Bramaderos.

Evidence · text

“Bramaderos Oct-26 MRE 6.2Moz AuEq”

Maiden Resourceneutral

First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component.

Why it applies: El Palmar contains an initial Mineral Resource estimate of 64Mt at 0.60g/t AuEq for 1.2Moz AuEq.

Evidence · text

“initial Mineral Resource estimate of 64Mt at 0.60g/t AuEq for 1.2Moz AuEq”

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: A significant portion of the El Palmar resource (59 Mt) is classified as Inferred.

Evidence · table

“Inferred”

Context: 59

Recovery Improvingpositive

Recovery improved versus a like-for-like prior test program on the same domain and route.

Why it applies: Metallurgical recoveries for gold improved from 85% to 93% and copper from 75% to 80% at Bramaderos.

Evidence · text

“Material upgrade to recoveries 1 Sept: Gold 85% -> 93% Copper 75% -> 80%”

Gravity Routeneutral

Gravity separation forms a material part of the flowsheet.

Why it applies: the document describes a gravity route ("gravity")

Extracted facts

Stored fact records: 16. Some facts used in scoring do not have a stored record.

Resource Estimates (12)

indicatedBramaderos · goldTonnes: 229000000Grade: 0.32Grade Unit: g/tView all details
Link to this fact

Identity

Project
Bramaderos
Commodity
gold
Region
ecuador
Reported Region
Loja province, southern Ecuador
Ticker
STM

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Emily Henry, Paul Merriner
Resource group id
resource:be4b6ce965286376da77

Resource Data

Category
indicated
Tonnes
229000000
Grade
0.32
Grade Unit
g/t

Prior Estimate

Resource Date
2026-10-13

Metal Equivalent

Metal Eq. Grade
0.45
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-13T00:00:00.000Z

Reasoning: This Indicated gold resource at Bramaderos represents a significant portion of the upgraded resource, enhancing confidence and de-risking the project.

Positive factors

  • Category upgrade
  • JORC Compliant
  • QP/CP Signed

Negative factors

  • Cut-off Undisclosed

Evidence · table

“0.32”

Context: 229

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

indicatedBramaderos · copperTonnes: 229000000Grade: 0.11Grade Unit: %View all details
Link to this fact

Identity

Project
Bramaderos
Commodity
copper
Region
ecuador
Reported Region
Loja province, southern Ecuador
Ticker
STM

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Emily Henry, Paul Merriner
Resource group id
resource:be4b6ce965286376da77

Resource Data

Category
indicated
Tonnes
229000000
Grade
0.11
Grade Unit
%

Prior Estimate

Resource Date
2026-10-13

Metal Equivalent

Metal Eq. Grade
0.45
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-13T00:00:00.000Z

Reasoning: This Indicated copper resource at Bramaderos contributes to the overall resource upgrade and project de-risking.

Positive factors

  • Category upgrade
  • JORC Compliant
  • QP/CP Signed

Negative factors

  • Cut-off Undisclosed

Evidence · table

“0.11”

Context: 229

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

indicatedBramaderos · silverTonnes: 229000000Grade: 1.23Grade Unit: g/tView all details
Link to this fact

Identity

Project
Bramaderos
Commodity
silver
Region
ecuador
Reported Region
Loja province, southern Ecuador
Ticker
STM

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Emily Henry, Paul Merriner
Resource group id
resource:be4b6ce965286376da77

Resource Data

Category
indicated
Tonnes
229000000
Grade
1.23
Grade Unit
g/t

Prior Estimate

Resource Date
2026-10-13

Metal Equivalent

Metal Eq. Grade
0.45
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-13T00:00:00.000Z

Reasoning: This Indicated silver resource at Bramaderos adds to the polymetallic nature of the deposit and contributes to the overall resource.

Positive factors

  • Category upgrade
  • JORC Compliant
  • QP/CP Signed

Negative factors

  • Cut-off Undisclosed

Evidence · table

“1.23”

Context: 229

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

inferredBramaderos · goldTonnes: 236000000Grade: 0.26Grade Unit: g/tView all details
Link to this fact

Identity

Project
Bramaderos
Commodity
gold
Region
ecuador
Reported Region
Loja province, southern Ecuador
Ticker
STM

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Emily Henry, Paul Merriner
Resource group id
resource:78590e4b82089927de68

Resource Data

Category
inferred
Tonnes
236000000
Grade
0.26
Grade Unit
g/t

Prior Estimate

Resource Date
2026-10-13

Metal Equivalent

Metal Eq. Grade
0.38
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-13T00:00:00.000Z

Reasoning: This Inferred gold resource contributes to the overall tonnage growth at Bramaderos, indicating significant potential for future conversion.

Positive factors

  • Tonnage Growth
  • JORC Compliant
  • QP/CP Signed

Negative factors

  • Inferred Resource
  • Cut-off Undisclosed

Evidence · table

“0.26”

Context: 236

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

inferredBramaderos · copperTonnes: 236000000Grade: 0.1Grade Unit: %View all details
Link to this fact

Identity

Project
Bramaderos
Commodity
copper
Region
ecuador
Reported Region
Loja province, southern Ecuador
Ticker
STM

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Emily Henry, Paul Merriner
Resource group id
resource:78590e4b82089927de68

Resource Data

Category
inferred
Tonnes
236000000
Grade
0.1
Grade Unit
%

Prior Estimate

Resource Date
2026-10-13

Metal Equivalent

Metal Eq. Grade
0.38
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-13T00:00:00.000Z

Reasoning: This Inferred copper resource adds to the overall potential of the Bramaderos project, requiring further drilling for higher confidence.

Positive factors

  • Tonnage Growth
  • JORC Compliant
  • QP/CP Signed

Negative factors

  • Inferred Resource
  • Cut-off Undisclosed

Evidence · table

“0.10”

Context: 236

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

inferredBramaderos · silverTonnes: 236000000Grade: 0.52Grade Unit: g/tView all details
Link to this fact

Identity

Project
Bramaderos
Commodity
silver
Region
ecuador
Reported Region
Loja province, southern Ecuador
Ticker
STM

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Emily Henry, Paul Merriner
Resource group id
resource:78590e4b82089927de68

Resource Data

Category
inferred
Tonnes
236000000
Grade
0.52
Grade Unit
g/t

Prior Estimate

Resource Date
2026-10-13

Metal Equivalent

Metal Eq. Grade
0.38
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-13T00:00:00.000Z

Reasoning: This Inferred silver resource contributes to the polymetallic potential of Bramaderos, but its inferred status indicates lower confidence.

Positive factors

  • Tonnage Growth
  • JORC Compliant
  • QP/CP Signed

Negative factors

  • Inferred Resource
  • Cut-off Undisclosed

Evidence · table

“0.52”

Context: 236

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

indicatedEl Palmar · goldTonnes: 5000000Grade: 0.42Grade Unit: g/tContained Metal: 100Contained Unit: kozView all details
Link to this fact

Identity

Project
El Palmar
Commodity
gold
Region
ecuador
Reported Region
Imbabura province, northern Ecuador
Ticker
STM

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Rob Spiers, Dr. Bruce Rohrlach
Resource group id
resource:a81af7d0666a13f539ff

Resource Data

Category
indicated
Tonnes
5000000
Grade
0.42
Grade Unit
g/t
Contained Metal
100
Contained Unit
koz

Prior Estimate

Resource Date
2024-10-22

Metal Equivalent

Metal Eq. Grade
0.63
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-13T00:00:00.000Z

Reasoning: This Indicated gold resource is part of the initial resource estimate for El Palmar, providing a baseline for the project.

Positive factors

  • Maiden Resource
  • JORC Compliant
  • QP/CP Signed

Negative factors

  • Cut-off Undisclosed

Evidence · table

“0.42”

Context: 5

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

indicatedEl Palmar · silverTonnes: 5000000Grade: 0.81Grade Unit: g/tContained Metal: 100Contained Unit: kozView all details
Link to this fact

Identity

Project
El Palmar
Commodity
silver
Region
ecuador
Reported Region
Imbabura province, northern Ecuador
Ticker
STM

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Rob Spiers, Dr. Bruce Rohrlach
Resource group id
resource:a81af7d0666a13f539ff

Resource Data

Category
indicated
Tonnes
5000000
Grade
0.81
Grade Unit
g/t
Contained Metal
100
Contained Unit
koz

Prior Estimate

Resource Date
2024-10-22

Metal Equivalent

Metal Eq. Grade
0.63
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-13T00:00:00.000Z

Reasoning: This Indicated silver resource contributes to the polymetallic nature of the initial El Palmar resource estimate.

Positive factors

  • Maiden Resource
  • JORC Compliant
  • QP/CP Signed

Negative factors

  • Cut-off Undisclosed

Evidence · table

“0.81”

Context: 5

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

indicatedEl Palmar · copperTonnes: 5000000Grade: 0.15Grade Unit: %Contained Metal: 7Contained Unit: ktView all details
Link to this fact

Identity

Project
El Palmar
Commodity
copper
Region
ecuador
Reported Region
Imbabura province, northern Ecuador
Ticker
STM

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Rob Spiers, Dr. Bruce Rohrlach
Resource group id
resource:a81af7d0666a13f539ff

Resource Data

Category
indicated
Tonnes
5000000
Grade
0.15
Grade Unit
%
Contained Metal
7
Contained Unit
kt

Prior Estimate

Resource Date
2024-10-22

Metal Equivalent

Metal Eq. Grade
0.63
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-13T00:00:00.000Z

Reasoning: This Indicated copper resource is part of the initial resource estimate for El Palmar, adding to its overall metal content.

Positive factors

  • Maiden Resource
  • JORC Compliant
  • QP/CP Signed

Negative factors

  • Cut-off Undisclosed

Evidence · table

“0.15”

Context: 5

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

inferredEl Palmar · goldTonnes: 59000000Grade: 0.4Grade Unit: g/tContained Metal: 700Contained Unit: kozView all details
Link to this fact

Identity

Project
El Palmar
Commodity
gold
Region
ecuador
Reported Region
Imbabura province, northern Ecuador
Ticker
STM

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Rob Spiers, Dr. Bruce Rohrlach
Resource group id
resource:5edc2089668e341ef4ee

Resource Data

Category
inferred
Tonnes
59000000
Grade
0.4
Grade Unit
g/t
Contained Metal
700
Contained Unit
koz

Prior Estimate

Resource Date
2024-10-22

Metal Equivalent

Metal Eq. Grade
0.59
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-13T00:00:00.000Z

Reasoning: This Inferred gold resource forms a large part of the initial El Palmar estimate, indicating potential but requiring further drilling to increase confidence.

Positive factors

  • Maiden Resource
  • JORC Compliant
  • QP/CP Signed

Negative factors

  • Inferred Resource
  • Cut-off Undisclosed

Evidence · table

“0.40”

Context: 59

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

inferredEl Palmar · silverTonnes: 59000000Grade: 0.65Grade Unit: g/tContained Metal: 1200Contained Unit: kozView all details
Link to this fact

Identity

Project
El Palmar
Commodity
silver
Region
ecuador
Reported Region
Imbabura province, northern Ecuador
Ticker
STM

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Rob Spiers, Dr. Bruce Rohrlach
Resource group id
resource:5edc2089668e341ef4ee

Resource Data

Category
inferred
Tonnes
59000000
Grade
0.65
Grade Unit
g/t
Contained Metal
1200
Contained Unit
koz

Prior Estimate

Resource Date
2024-10-22

Metal Equivalent

Metal Eq. Grade
0.59
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-13T00:00:00.000Z

Reasoning: This Inferred silver resource contributes to the overall metal content of El Palmar but is at an early stage of confidence.

Positive factors

  • Maiden Resource
  • JORC Compliant
  • QP/CP Signed

Negative factors

  • Inferred Resource
  • Cut-off Undisclosed

Evidence · table

“0.65”

Context: 59

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

inferredEl Palmar · copperTonnes: 59000000Grade: 0.13Grade Unit: %Contained Metal: 70Contained Unit: ktView all details
Link to this fact

Identity

Project
El Palmar
Commodity
copper
Region
ecuador
Reported Region
Imbabura province, northern Ecuador
Ticker
STM

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Rob Spiers, Dr. Bruce Rohrlach
Resource group id
resource:5edc2089668e341ef4ee

Resource Data

Category
inferred
Tonnes
59000000
Grade
0.13
Grade Unit
%
Contained Metal
70
Contained Unit
kt

Prior Estimate

Resource Date
2024-10-22

Metal Equivalent

Metal Eq. Grade
0.59
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-13T00:00:00.000Z

Reasoning: This Inferred copper resource is part of the initial El Palmar estimate, indicating potential but requiring further drilling to increase confidence.

Positive factors

  • Maiden Resource
  • JORC Compliant
  • QP/CP Signed

Negative factors

  • Inferred Resource
  • Cut-off Undisclosed

Evidence · table

“0.13”

Context: 59

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: qp_signed is true

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

Metallurgical Results (4)

Fact 1Bramaderos · goldRecovery: 93 %View all details
Link to this fact

Identity

Project
Bramaderos
Commodity
gold
Ticker
STM

Recovery

Recovery
93 %

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-13T00:00:00.000Z

Reasoning: Gold recovery at Bramaderos has significantly improved from 85% to 93%, which is a positive development for project economics.

Positive factors

  • Recovery Improving

Evidence · text

“Gold 85% -> 93%”
Fact 2Bramaderos · goldRecovery: 85 %Historical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Bramaderos
Commodity
gold
Ticker
STM

Recovery

Recovery
85 %

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes

Dates

Event date
2026-10-13T00:00:00.000Z

Reasoning: This represents the prior gold recovery figure for Bramaderos, which has since been improved upon.

Evidence · text

“Gold 85% -> 93%”
Fact 3Bramaderos · copperRecovery: 80 %View all details
Link to this fact

Identity

Project
Bramaderos
Commodity
copper
Ticker
STM

Recovery

Recovery
80 %

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-13T00:00:00.000Z

Reasoning: Copper recovery at Bramaderos has improved from 75% to 80%, which is a positive step for the project's metallurgical performance.

Positive factors

  • Recovery Improving

Evidence · text

“Copper 75% -> 80%”
Fact 4Bramaderos · copperRecovery: 75 %Historical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Bramaderos
Commodity
copper
Ticker
STM

Recovery

Recovery
75 %

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes

Dates

Event date
2026-10-13T00:00:00.000Z

Reasoning: This represents the prior copper recovery figure for Bramaderos, which has since been improved upon.

Evidence · text

“Copper 75% -> 80%”

Tags used in scoring

Low Recoverynegative

Recovery below the weak band for the commodity and processing route.

Why it applies: 75% is below the weak band (80%)

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.