HCH: Corporate Presentation London Metals Exchange Week

Original announcement by asx on

Company
Hot Chili Limited
Ticker
HCH
Exchange
ASX
Region
Huasco Valley, Chile
Primary commodity
Copper
Secondary commodities
Gold, Molybdenum, Silver
Document categories
Drill results, Other, Resource update, Metallurgy
Extracted
2026-10-19 22:38:01 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Hot Chili Limited presented a corporate overview highlighting the recent discovery of a second porphyry center, La Verde South, with a significant copper-gold intercept from drill hole DKP084. The company also reiterated strong pre-feasibility study results for its Costa Fuego copper-gold project, demonstrating robust economics and strategic advantages including water assets. Ongoing drilling at La Verde aims to support a maiden Mineral Resource Estimate, and metallurgical testwork indicates clean concentrates.

Reasoning: The presentation highlights a new copper-gold porphyry discovery at La Verde South with a significant drill intercept, strong economic study results for the Costa Fuego project, and strategic water assets, all contributing to a positive outlook for the company. While some information is a summary of prior releases, the new discovery and ongoing drilling provide fresh positive updates.

Positive factors

  • New porphyry discovery (La Verde South)
  • Significant drill intercept (DKP084) with strong copper grades and width
  • Strong economic study results (PFS) for Costa Fuego project (NPV, IRR, low C1 cost)
  • Strategic water assets with positive PFS economics
  • High Measured and Indicated (M&I) percentage in Costa Fuego resources (80%)
  • JORC and NI 43-101 compliant reporting for resources and reserves
  • Detailed metal equivalent assumptions disclosed for both drill results and resource estimates
  • Extensive metallurgical testwork completed with clean concentrate and low deleterious elements

Negative factors

  • Some drill results are visual estimates only (DKD100) without assays
  • Assays pending for a significant number of holes (25)
  • PFS and MREs are from March 2025, so not brand new information in October 2026
  • Arsenic present in concentrate, though at low levels (44 ppm)

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

Facts used in scoring: 74

Classification and evidence

Mill Routeneutral

Processing via mill or concentrator (CIL, CIP, tank leach, flotation).

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

Extracted facts

Stored fact records: 74. Some facts used in scoring do not have a stored record.

Drill Results (25)

DKP002La Verde South · copperGrade: 0.5Grade Unit: %Intercept: 308 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
DKP002
Project
La Verde South
Commodity
copper
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Grade
0.5
Grade Unit
%
Intercept
308 m
From
46 m
To
354 m
Intercept Depth
46 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKP002:46-354
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical intercept shows strong copper grades over a significant width, indicative of a robust porphyry system.

Positive factors

  • Strong copper grade for porphyry deposit
  • Continuous intercept width
  • Good grade-thickness product

Negative factors

  • Historical result, low novelty

Evidence · text

“DKP002 – 308m @ 0.65% CuEq1 (0.5% Cu, 0.3 g/t Au) from 46m”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

DKP002La Verde South · goldGrade: 0.3Grade Unit: g/tIntercept: 308 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
DKP002
Project
La Verde South
Commodity
gold
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Grade
0.3
Grade Unit
g/t
Intercept
308 m
From
46 m
To
354 m
Intercept Depth
46 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKP002:46-354
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical intercept shows good gold grades over a significant width, contributing to the overall value of the porphyry system.

Positive factors

  • Good gold grade for porphyry deposit
  • Continuous intercept width

Negative factors

  • Historical result, low novelty

Evidence · text

“DKP002 – 308m @ 0.65% CuEq1 (0.5% Cu, 0.3 g/t Au) from 46m”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

DKP002La Verde South · copperIntercept: 308 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
DKP002
Project
La Verde South
Commodity
copper
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Intercept
308 m
From
46 m
To
354 m
Intercept Depth
46 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKP002:46-354
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Metal Eq. Grade
0.65
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical intercept shows a strong copper equivalent grade over a significant width, indicating good overall mineralization.

Positive factors

  • Strong copper equivalent grade for porphyry deposit
  • Continuous intercept width
  • Detailed metal equivalent assumptions disclosed

Negative factors

  • Historical result, low novelty

Evidence · text

“DKP002 – 308m @ 0.65% CuEq1 (0.5% Cu, 0.3 g/t Au) from 46m”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

DKD032La Verde South · copperGrade: 0.41Grade Unit: %Intercept: 529 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
DKD032
Project
La Verde South
Commodity
copper
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Grade
0.41
Grade Unit
%
Intercept
529 m
From
41 m
To
570 m
Intercept Depth
41 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKD032:41-570
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical intercept shows strong copper grades over a very significant width, confirming the scale of the La Verde discovery.

Positive factors

  • Strong copper grade for porphyry deposit
  • Continuous intercept width
  • Good grade-thickness product

Negative factors

  • Historical result, low novelty

Evidence · text

“DKD032 – 529m @ 0.56% CuEq (0.41% Cu, 0.21 g/t Au) from 41m”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

DKD032La Verde South · goldGrade: 0.21Grade Unit: g/tIntercept: 529 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
DKD032
Project
La Verde South
Commodity
gold
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Grade
0.21
Grade Unit
g/t
Intercept
529 m
From
41 m
To
570 m
Intercept Depth
41 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKD032:41-570
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical intercept shows good gold grades over a very significant width, contributing to the overall value of the porphyry system.

Positive factors

  • Good gold grade for porphyry deposit
  • Continuous intercept width

Negative factors

  • Historical result, low novelty

Evidence · text

“DKD032 – 529m @ 0.56% CuEq (0.41% Cu, 0.21 g/t Au) from 41m”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

DKD032La Verde South · copperIntercept: 529 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
DKD032
Project
La Verde South
Commodity
copper
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Intercept
529 m
From
41 m
To
570 m
Intercept Depth
41 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKD032:41-570
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Metal Eq. Grade
0.56
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical intercept shows a strong copper equivalent grade over a very significant width, confirming the scale of the La Verde discovery.

Positive factors

  • Strong copper equivalent grade for porphyry deposit
  • Continuous intercept width
  • Detailed metal equivalent assumptions disclosed

Negative factors

  • Historical result, low novelty

Evidence · text

“DKD032 – 529m @ 0.56% CuEq (0.41% Cu, 0.21 g/t Au) from 41m”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

DKD039La Verde South · copperGrade: 0.36Grade Unit: %Intercept: 725 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
DKD039
Project
La Verde South
Commodity
copper
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Grade
0.36
Grade Unit
%
Intercept
725 m
From
18 m
To
743 m
Intercept Depth
18 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKD039:18-743
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical intercept shows strong copper grades over an exceptionally wide interval, representing the widest intersection to date and continued expansion of the higher-grade core.

Positive factors

  • Strong copper grade for porphyry deposit
  • Exceptional intercept width
  • Good grade-thickness product

Negative factors

  • Historical result, low novelty

Evidence · text

“DKD039 – 725m @ 0.42% CuEq (0.36% Cu, 0.07 g/t Au) from 18m”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

DKD039La Verde South · goldGrade: 0.07Grade Unit: g/tIntercept: 725 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
DKD039
Project
La Verde South
Commodity
gold
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Grade
0.07
Grade Unit
g/t
Intercept
725 m
From
18 m
To
743 m
Intercept Depth
18 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKD039:18-743
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical intercept shows moderate gold grades over an exceptionally wide interval, contributing to the overall mineralization.

Positive factors

  • Moderate gold grade for porphyry deposit
  • Exceptional intercept width

Negative factors

  • Historical result, low novelty

Evidence · text

“DKD039 – 725m @ 0.42% CuEq (0.36% Cu, 0.07 g/t Au) from 18m”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

DKD039La Verde South · copperIntercept: 725 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
DKD039
Project
La Verde South
Commodity
copper
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Intercept
725 m
From
18 m
To
743 m
Intercept Depth
18 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKD039:18-743
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Metal Eq. Grade
0.42
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical intercept shows a strong copper equivalent grade over an exceptionally wide interval, representing the widest intersection to date.

Positive factors

  • Strong copper equivalent grade for porphyry deposit
  • Exceptional intercept width
  • Detailed metal equivalent assumptions disclosed

Negative factors

  • Historical result, low novelty

Evidence · text

“DKD039 – 725m @ 0.42% CuEq (0.36% Cu, 0.07 g/t Au) from 18m”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

DKD044La Verde South · copperGrade: 0.42Grade Unit: %Intercept: 391 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
DKD044
Project
La Verde South
Commodity
copper
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Grade
0.42
Grade Unit
%
Intercept
391 m
From
0 m
To
391 m
Intercept Depth
0 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKD044:0-391
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical intercept shows strong copper grades over a significant width, starting from surface, indicating good near-surface potential.

Positive factors

  • Strong copper grade for porphyry deposit
  • Continuous intercept width
  • Good grade-thickness product
  • Starts from surface

Negative factors

  • Historical result, low novelty

Evidence · text

“DKD044 – 391m @ 0.52% CuEq (0.42% Cu, 0.11 g/t Au) from surface”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

DKD044La Verde South · goldGrade: 0.11Grade Unit: g/tIntercept: 391 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
DKD044
Project
La Verde South
Commodity
gold
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Grade
0.11
Grade Unit
g/t
Intercept
391 m
From
0 m
To
391 m
Intercept Depth
0 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKD044:0-391
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical intercept shows good gold grades over a significant width, starting from surface, contributing to the overall mineralization.

Positive factors

  • Good gold grade for porphyry deposit
  • Continuous intercept width
  • Starts from surface

Negative factors

  • Historical result, low novelty

Evidence · text

“DKD044 – 391m @ 0.52% CuEq (0.42% Cu, 0.11 g/t Au) from surface”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

DKD044La Verde South · copperIntercept: 391 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
DKD044
Project
La Verde South
Commodity
copper
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Intercept
391 m
From
0 m
To
391 m
Intercept Depth
0 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKD044:0-391
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Metal Eq. Grade
0.52
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical intercept shows a strong copper equivalent grade over a significant width, starting from surface, indicating good near-surface potential.

Positive factors

  • Strong copper equivalent grade for porphyry deposit
  • Continuous intercept width
  • Detailed metal equivalent assumptions disclosed
  • Starts from surface

Negative factors

  • Historical result, low novelty

Evidence · text

“DKD044 – 391m @ 0.52% CuEq (0.42% Cu, 0.11 g/t Au) from surface”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

DKP063La Verde South · copperGrade: 0.7Grade Unit: %Intercept: 62 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
DKP063
Project
La Verde South
Commodity
copper
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Grade
0.7
Grade Unit
%
Intercept
62 m
From
20 m
To
82 m
Intercept Depth
20 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKP063:20-82
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical intercept shows exceptional copper grades over a continuous width, indicating high-grade near-surface mineralization.

Positive factors

  • Exceptional copper grade for porphyry deposit
  • Continuous intercept width
  • Good grade-thickness product
  • Near-surface mineralization

Negative factors

  • Historical result, low novelty

Evidence · text

“DKP063 – 62m @ 0.91% CuEq (0.70% Cu, 0.30 g/t Au) from 20m”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

DKP063La Verde South · goldGrade: 0.3Grade Unit: g/tIntercept: 62 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
DKP063
Project
La Verde South
Commodity
gold
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Grade
0.3
Grade Unit
g/t
Intercept
62 m
From
20 m
To
82 m
Intercept Depth
20 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKP063:20-82
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical intercept shows good gold grades over a continuous width, contributing to the high-grade near-surface mineralization.

Positive factors

  • Good gold grade for porphyry deposit
  • Continuous intercept width
  • Near-surface mineralization

Negative factors

  • Historical result, low novelty

Evidence · text

“DKP063 – 62m @ 0.91% CuEq (0.70% Cu, 0.30 g/t Au) from 20m”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

DKP063La Verde South · copperIntercept: 62 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
DKP063
Project
La Verde South
Commodity
copper
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Intercept
62 m
From
20 m
To
82 m
Intercept Depth
20 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKP063:20-82
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Metal Eq. Grade
0.91
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical intercept shows an exceptional copper equivalent grade over a continuous width, indicating high-grade near-surface mineralization.

Positive factors

  • Exceptional copper equivalent grade for porphyry deposit
  • Continuous intercept width
  • Detailed metal equivalent assumptions disclosed
  • Near-surface mineralization

Negative factors

  • Historical result, low novelty

Evidence · text

“DKP063 – 62m @ 0.91% CuEq (0.70% Cu, 0.30 g/t Au) from 20m”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

DKP184La Verde South · copperGrade: 0.39Grade Unit: %Intercept: 148 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
DKP184
Project
La Verde South
Commodity
copper
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Grade
0.39
Grade Unit
%
Intercept
148 m
From
36 m
To
184 m
Intercept Depth
36 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKP184:36-184
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical intercept shows strong copper grades over a significant width, confirming a new porphyry center at La Verde South.

Positive factors

  • Strong copper grade for porphyry deposit
  • Continuous intercept width
  • Good grade-thickness product
  • Part of a new porphyry center discovery

Negative factors

  • Historical result, low novelty

Evidence · text

“DKP184 – 148m @ 0.44% CuEq (0.39% Cu, 0.07 g/t Au) from 36m”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

DKP184La Verde South · goldGrade: 0.07Grade Unit: g/tIntercept: 148 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
DKP184
Project
La Verde South
Commodity
gold
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Grade
0.07
Grade Unit
g/t
Intercept
148 m
From
36 m
To
184 m
Intercept Depth
36 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKP184:36-184
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical intercept shows moderate gold grades over a significant width, contributing to the new porphyry center at La Verde South.

Positive factors

  • Moderate gold grade for porphyry deposit
  • Continuous intercept width
  • Part of a new porphyry center discovery

Negative factors

  • Historical result, low novelty

Evidence · text

“DKP184 – 148m @ 0.44% CuEq (0.39% Cu, 0.07 g/t Au) from 36m”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

DKP184La Verde South · copperIntercept: 148 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
DKP184
Project
La Verde South
Commodity
copper
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Intercept
148 m
From
36 m
To
184 m
Intercept Depth
36 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKP184:36-184
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Metal Eq. Grade
0.44
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical intercept shows a strong copper equivalent grade over a significant width, confirming a new porphyry center at La Verde South.

Positive factors

  • Strong copper equivalent grade for porphyry deposit
  • Continuous intercept width
  • Detailed metal equivalent assumptions disclosed
  • Part of a new porphyry center discovery

Negative factors

  • Historical result, low novelty

Evidence · text

“DKP184 – 148m @ 0.44% CuEq (0.39% Cu, 0.07 g/t Au) from 36m”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

DKP084La Verde South · copperGrade: 0.39Grade Unit: %Intercept: 148 mView all details
Link to this fact

Identity

Hole ID
DKP084
Project
La Verde South
Commodity
copper
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Grade
0.39
Grade Unit
%
Intercept
148 m
From
36 m
To
184 m
Intercept Depth
36 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKP084:36-184
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This new intercept from step-out drilling confirms a second porphyry center at La Verde South with strong copper grades over a significant width, indicating a material extension of mineralization.

Positive factors

  • Strong copper grade for porphyry deposit
  • Continuous intercept width
  • Good grade-thickness product
  • Confirms new porphyry center (La Verde South)
  • Step-out drilling extension

Evidence · text

“148m @ 0.44% CuEq¹ (0.39% Cu, 0.07g/t Au) from 36m depth”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Step-Out ExtensionRejected · positive

Mineralization extended beyond the previously known limit.

Reason: RC drill hole DKP084 was collared ~250m south of La Verde’s +0.4% Cu mineralisation footprint and returned: 148m @ 0.44% CuEq¹ (0.39% Cu, 0.07g/t Au) from 36m depth

Evidence · text

“RC drill hole DKP084 was collared ~250m south of La Verde’s +0.4% Cu mineralisation footprint and returned: 148m @ 0.44% CuEq¹ (0.39% Cu, 0.07g/t Au) from 36m depth”
DKP084La Verde South · goldGrade: 0.07Grade Unit: g/tIntercept: 148 mView all details
Link to this fact

Identity

Hole ID
DKP084
Project
La Verde South
Commodity
gold
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Grade
0.07
Grade Unit
g/t
Intercept
148 m
From
36 m
To
184 m
Intercept Depth
36 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKP084:36-184
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This new intercept from step-out drilling confirms a second porphyry center at La Verde South with moderate gold grades over a significant width, contributing to the overall mineralization.

Positive factors

  • Moderate gold grade for porphyry deposit
  • Continuous intercept width
  • Confirms new porphyry center (La Verde South)
  • Step-out drilling extension

Evidence · text

“148m @ 0.44% CuEq¹ (0.39% Cu, 0.07g/t Au) from 36m depth”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Step-Out ExtensionRejected · positive

Mineralization extended beyond the previously known limit.

Reason: RC drill hole DKP084 was collared ~250m south of La Verde’s +0.4% Cu mineralisation footprint and returned: 148m @ 0.44% CuEq¹ (0.39% Cu, 0.07g/t Au) from 36m depth

Evidence · text

“RC drill hole DKP084 was collared ~250m south of La Verde’s +0.4% Cu mineralisation footprint and returned: 148m @ 0.44% CuEq¹ (0.39% Cu, 0.07g/t Au) from 36m depth”
DKP084La Verde South · copperIntercept: 148 mView all details
Link to this fact

Identity

Hole ID
DKP084
Project
La Verde South
Commodity
copper
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Intercept
148 m
From
36 m
To
184 m
Intercept Depth
36 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKP084:36-184
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Metal Eq. Grade
0.44
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This new intercept from step-out drilling confirms a second porphyry center at La Verde South with a strong copper equivalent grade over a significant width, indicating a material extension of mineralization.

Positive factors

  • Strong copper equivalent grade for porphyry deposit
  • Continuous intercept width
  • Detailed metal equivalent assumptions disclosed
  • Confirms new porphyry center (La Verde South)
  • Step-out drilling extension

Evidence · text

“148m @ 0.44% CuEq¹ (0.39% Cu, 0.07g/t Au) from 36m depth”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Step-Out ExtensionRejected · positive

Mineralization extended beyond the previously known limit.

Reason: RC drill hole DKP084 was collared ~250m south of La Verde’s +0.4% Cu mineralisation footprint and returned: 148m @ 0.44% CuEq¹ (0.39% Cu, 0.07g/t Au) from 36m depth

Evidence · text

“RC drill hole DKP084 was collared ~250m south of La Verde’s +0.4% Cu mineralisation footprint and returned: 148m @ 0.44% CuEq¹ (0.39% Cu, 0.07g/t Au) from 36m depth”
DKP084La Verde South · copperGrade: 0.5Grade Unit: %Intercept: 44 mView all details
Link to this fact

Identity

Hole ID
DKP084
Project
La Verde South
Commodity
copper
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Grade
0.5
Grade Unit
%
Intercept
44 m
From
138 m
To
182 m
Intercept Depth
138 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKP084:138-182
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This new high-grade sub-interval from step-out drilling confirms a second porphyry center at La Verde South with strong copper grades over a significant width, indicating a material extension of mineralization.

Positive factors

  • Strong copper grade for porphyry deposit
  • Continuous intercept width
  • Good grade-thickness product
  • High-grade sub-interval within a broader intercept
  • Confirms new porphyry center (La Verde South)
  • Step-out drilling extension

Evidence · text

“including 44m @ 0.56% CuEq (0.50% Cu, 0.06g/t Au) from 138m”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Bonanza InterceptRejected · positive

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

Reason: 0.50% Cu over 44m is a strong grade-width product for a porphyry deposit.

Evidence · text

“including 44m @ 0.56% CuEq (0.50% Cu, 0.06g/t Au) from 138m”

Step-Out ExtensionRejected · positive

Mineralization extended beyond the previously known limit.

Reason: RC drill hole DKP084 was collared ~250m south of La Verde’s +0.4% Cu mineralisation footprint and returned: 148m @ 0.44% CuEq¹ (0.39% Cu, 0.07g/t Au) from 36m depth

Evidence · text

“RC drill hole DKP084 was collared ~250m south of La Verde’s +0.4% Cu mineralisation footprint and returned: 148m @ 0.44% CuEq¹ (0.39% Cu, 0.07g/t Au) from 36m depth”
DKP084La Verde South · goldGrade: 0.06Grade Unit: g/tIntercept: 44 mView all details
Link to this fact

Identity

Hole ID
DKP084
Project
La Verde South
Commodity
gold
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Grade
0.06
Grade Unit
g/t
Intercept
44 m
From
138 m
To
182 m
Intercept Depth
138 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKP084:138-182
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This new high-grade sub-interval from step-out drilling confirms a second porphyry center at La Verde South with moderate gold grades over a significant width, contributing to the overall mineralization.

Positive factors

  • Moderate gold grade for porphyry deposit
  • Continuous intercept width
  • High-grade sub-interval within a broader intercept
  • Confirms new porphyry center (La Verde South)
  • Step-out drilling extension

Evidence · text

“including 44m @ 0.56% CuEq (0.50% Cu, 0.06g/t Au) from 138m”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Step-Out ExtensionRejected · positive

Mineralization extended beyond the previously known limit.

Reason: RC drill hole DKP084 was collared ~250m south of La Verde’s +0.4% Cu mineralisation footprint and returned: 148m @ 0.44% CuEq¹ (0.39% Cu, 0.07g/t Au) from 36m depth

Evidence · text

“RC drill hole DKP084 was collared ~250m south of La Verde’s +0.4% Cu mineralisation footprint and returned: 148m @ 0.44% CuEq¹ (0.39% Cu, 0.07g/t Au) from 36m depth”
DKP084La Verde South · copperIntercept: 44 mView all details
Link to this fact

Identity

Hole ID
DKP084
Project
La Verde South
Commodity
copper
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Intercept
44 m
From
138 m
To
182 m
Intercept Depth
138 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Group ID
DKP084:138-182
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Metal Eq. Grade
0.56
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This new high-grade sub-interval from step-out drilling confirms a second porphyry center at La Verde South with a strong copper equivalent grade over a significant width, indicating a material extension of mineralization.

Positive factors

  • Strong copper equivalent grade for porphyry deposit
  • Continuous intercept width
  • Detailed metal equivalent assumptions disclosed
  • High-grade sub-interval within a broader intercept
  • Confirms new porphyry center (La Verde South)
  • Step-out drilling extension

Evidence · text

“including 44m @ 0.56% CuEq (0.50% Cu, 0.06g/t Au) from 138m”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Bonanza InterceptRejected · positive

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

Reason: 0.56% CuEq over 44m is a strong grade-width product for a porphyry deposit.

Evidence · text

“including 44m @ 0.56% CuEq (0.50% Cu, 0.06g/t Au) from 138m”

Step-Out ExtensionRejected · positive

Mineralization extended beyond the previously known limit.

Reason: RC drill hole DKP084 was collared ~250m south of La Verde’s +0.4% Cu mineralisation footprint and returned: 148m @ 0.44% CuEq¹ (0.39% Cu, 0.07g/t Au) from 36m depth

Evidence · text

“RC drill hole DKP084 was collared ~250m south of La Verde’s +0.4% Cu mineralisation footprint and returned: 148m @ 0.44% CuEq¹ (0.39% Cu, 0.07g/t Au) from 36m depth”
DKD100La Verde South · copperIntercept: 307 mView all details
Link to this fact

Identity

Hole ID
DKD100
Project
La Verde South
Commodity
copper
Region
chile
Reported Region
chile
Ticker
HCH

Geometry

Intercept
307 m

Classification

Deposit Type
porphyry
Program
exploration
Sample Type
drill
Mining Method
open_pit

QA/QC

QP Signed
Yes

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This new visual intercept confirms significant width of porphyry-style mineralization in a new discovery area, but the lack of assays and grade information limits its immediate materiality and confidence.

Positive factors

  • Confirms new porphyry center (La Verde South)
  • Significant intercept width

Negative factors

  • Visual estimate only, no assays reported
  • No grade information available
  • No QA/QC disclosure for this specific visual estimate

Evidence · text

“Diamond drill hole DKD100 was collared ~100 m south of DKP084 and visually recorded 307 m of porphyry-style copper mineralisation³.”

Tags used in scoring

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Rejected tags

Rejected tags — excluded from scoring because their label or evidence could not be verified.

Apparent Width OnlyRejected · negative

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Reason: The interval is given as a visual estimate of mineralisation without any grade or true width information.

Evidence · text

“visually recorded 307 m of porphyry-style copper mineralisation”

No QA/QC DisclosureRejected · negative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Reason: The visual estimate is not accompanied by any QA/QC details or assay results.

Evidence · text

“visually recorded 307 m of porphyry-style copper mineralisation”

Step-Out ExtensionRejected · positive

Mineralization extended beyond the previously known limit.

Reason: Diamond drill hole DKD100 was collared ~100 m south of DKP084, extending the footprint of the new discovery.

Evidence · text

“Diamond drill hole DKD100 was collared ~100 m south of DKP084”

Resource Estimates (25)

indicatedCosta Fuego · copperTonnes: 798000000Grade: 0.37Grade Unit: %Contained Metal: 3000000Contained Unit: tHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
copper
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
resource
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Elizabeth Haren
Resource group id
resource:f8da721156afb1865b99
Deposit or zone
Costa Fuego

Resource Data

Category
indicated
Tonnes
798000000
Grade
0.37
Grade Unit
%
Contained Metal
3000000
Contained Unit
t
Cutoff Grade
0.2
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Indicated resource for Costa Fuego shows a large tonnage with good copper grades, providing a strong foundation for project development, reported under high standards.

Positive factors

  • Large tonnage in Indicated category
  • Good copper grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant
  • Cut-off grade disclosed

Negative factors

  • Historical estimate, low novelty

Evidence · table

“0.37”

Context: 798

indicatedCosta Fuego · goldTonnes: 798000000Grade: 0.1Grade Unit: g/tContained Metal: 2600000Contained Unit: ozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
gold
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
resource
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Elizabeth Haren
Resource group id
resource:f8da721156afb1865b99
Deposit or zone
Costa Fuego

Resource Data

Category
indicated
Tonnes
798000000
Grade
0.1
Grade Unit
g/t
Contained Metal
2600000
Contained Unit
oz
Cutoff Grade
0.2
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Indicated resource for Costa Fuego shows a large tonnage with good gold grades, contributing to the overall project value, reported under high standards.

Positive factors

  • Large tonnage in Indicated category
  • Good gold grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant
  • Cut-off grade disclosed

Negative factors

  • Historical estimate, low novelty

Evidence · table

“0.10”

Context: 798

indicatedCosta Fuego · silverTonnes: 798000000Grade: 0.5Grade Unit: g/tContained Metal: 13000000Contained Unit: ozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
silver
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
resource
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Elizabeth Haren
Resource group id
resource:f8da721156afb1865b99
Deposit or zone
Costa Fuego

Resource Data

Category
indicated
Tonnes
798000000
Grade
0.5
Grade Unit
g/t
Contained Metal
13000000
Contained Unit
oz
Cutoff Grade
0.2
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Indicated resource for Costa Fuego shows a large tonnage with good silver grades, contributing to the overall project value, reported under high standards.

Positive factors

  • Large tonnage in Indicated category
  • Good silver grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant
  • Cut-off grade disclosed

Negative factors

  • Historical estimate, low novelty

Evidence · table

“0.5”

Context: 798

indicatedCosta Fuego · molybdenumTonnes: 798000000Grade: 85Grade Unit: ppmContained Metal: 68000Contained Unit: tHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
molybdenum
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
resource
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Elizabeth Haren
Resource group id
resource:f8da721156afb1865b99
Deposit or zone
Costa Fuego

Resource Data

Category
indicated
Tonnes
798000000
Grade
85
Grade Unit
ppm
Contained Metal
68000
Contained Unit
t
Cutoff Grade
0.2
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Indicated resource for Costa Fuego shows a large tonnage with good molybdenum grades, contributing to the overall project value, reported under high standards.

Positive factors

  • Large tonnage in Indicated category
  • Good molybdenum grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant
  • Cut-off grade disclosed

Negative factors

  • Historical estimate, low novelty

Evidence · table

“85”

Context: 798

indicatedCosta Fuego · copperTonnes: 798000000Contained Metal: 3600000Contained Unit: tHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
copper
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
resource
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Elizabeth Haren
Resource group id
resource:f8da721156afb1865b99
Deposit or zone
Costa Fuego

Resource Data

Category
indicated
Tonnes
798000000
Contained Metal
3600000
Contained Unit
t
Cutoff Grade
0.2
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Metal Eq. Grade
0.45
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Indicated resource for Costa Fuego shows a large tonnage with a strong copper equivalent grade, providing a robust foundation for project development, reported under high standards.

Positive factors

  • Large tonnage in Indicated category
  • Strong copper equivalent grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant
  • Cut-off grade disclosed
  • Detailed metal equivalent assumptions disclosed

Negative factors

  • Historical estimate, low novelty

Evidence · table

“0.45”

Context: 798

inferredCosta Fuego · copperTonnes: 203000000Grade: 0.25Grade Unit: %Contained Metal: 500000Contained Unit: tHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
copper
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
resource
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Elizabeth Haren
Resource group id
resource:969a7f51a89ada9baf39
Deposit or zone
Costa Fuego

Resource Data

Category
inferred
Tonnes
203000000
Grade
0.25
Grade Unit
%
Contained Metal
500000
Contained Unit
t
Cutoff Grade
0.2
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Inferred resource for Costa Fuego shows significant tonnage with moderate copper grades, representing future exploration potential, reported under high standards.

Positive factors

  • Significant tonnage in Inferred category
  • Moderate copper grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant
  • Cut-off grade disclosed

Negative factors

  • Historical estimate, low novelty
  • Inferred category has lower confidence

Evidence · table

“0.25”

Context: 203

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: The resource is classified as Inferred, indicating lower geological confidence.

Evidence · table

“Inf”

Context: 203

inferredCosta Fuego · goldTonnes: 203000000Grade: 0.06Grade Unit: g/tContained Metal: 400000Contained Unit: ozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
gold
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
resource
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Elizabeth Haren
Resource group id
resource:969a7f51a89ada9baf39
Deposit or zone
Costa Fuego

Resource Data

Category
inferred
Tonnes
203000000
Grade
0.06
Grade Unit
g/t
Contained Metal
400000
Contained Unit
oz
Cutoff Grade
0.2
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Inferred resource for Costa Fuego shows significant tonnage with moderate gold grades, representing future exploration potential, reported under high standards.

Positive factors

  • Significant tonnage in Inferred category
  • Moderate gold grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant
  • Cut-off grade disclosed

Negative factors

  • Historical estimate, low novelty
  • Inferred category has lower confidence

Evidence · table

“0.06”

Context: 203

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: The resource is classified as Inferred, indicating lower geological confidence.

Evidence · table

“Inf”

Context: 203

inferredCosta Fuego · silverTonnes: 203000000Grade: 0.36Grade Unit: g/tContained Metal: 2000000Contained Unit: ozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
silver
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
resource
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Elizabeth Haren
Resource group id
resource:969a7f51a89ada9baf39
Deposit or zone
Costa Fuego

Resource Data

Category
inferred
Tonnes
203000000
Grade
0.36
Grade Unit
g/t
Contained Metal
2000000
Contained Unit
oz
Cutoff Grade
0.2
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Inferred resource for Costa Fuego shows significant tonnage with moderate silver grades, representing future exploration potential, reported under high standards.

Positive factors

  • Significant tonnage in Inferred category
  • Moderate silver grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant
  • Cut-off grade disclosed

Negative factors

  • Historical estimate, low novelty
  • Inferred category has lower confidence

Evidence · table

“0.36”

Context: 203

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: The resource is classified as Inferred, indicating lower geological confidence.

Evidence · table

“Inf”

Context: 203

inferredCosta Fuego · molybdenumTonnes: 203000000Grade: 61Grade Unit: ppmContained Metal: 12000Contained Unit: tHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
molybdenum
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
resource
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Elizabeth Haren
Resource group id
resource:969a7f51a89ada9baf39
Deposit or zone
Costa Fuego

Resource Data

Category
inferred
Tonnes
203000000
Grade
61
Grade Unit
ppm
Contained Metal
12000
Contained Unit
t
Cutoff Grade
0.2
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Inferred resource for Costa Fuego shows significant tonnage with moderate molybdenum grades, representing future exploration potential, reported under high standards.

Positive factors

  • Significant tonnage in Inferred category
  • Moderate molybdenum grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant
  • Cut-off grade disclosed

Negative factors

  • Historical estimate, low novelty
  • Inferred category has lower confidence

Evidence · table

“61”

Context: 203

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: The resource is classified as Inferred, indicating lower geological confidence.

Evidence · table

“Inf”

Context: 203

inferredCosta Fuego · copperTonnes: 203000000Contained Metal: 600000Contained Unit: tHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
copper
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
resource
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Elizabeth Haren
Resource group id
resource:969a7f51a89ada9baf39
Deposit or zone
Costa Fuego

Resource Data

Category
inferred
Tonnes
203000000
Contained Metal
600000
Contained Unit
t
Cutoff Grade
0.2
Cutoff Unit
% CuEq

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Metal Eq. Grade
0.3
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Inferred resource for Costa Fuego shows significant tonnage with a moderate copper equivalent grade, representing future exploration potential, reported under high standards.

Positive factors

  • Significant tonnage in Inferred category
  • Moderate copper equivalent grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant
  • Cut-off grade disclosed
  • Detailed metal equivalent assumptions disclosed

Negative factors

  • Historical estimate, low novelty
  • Inferred category has lower confidence

Evidence · table

“0.30”

Context: 203

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: The resource is classified as Inferred, indicating lower geological confidence.

Evidence · table

“Inf”

Context: 203

probableCosta Fuego · copperTonnes: 356000000Grade: 0.34Grade Unit: %Contained Metal: 1213000Contained Unit: tHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
copper
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
reserve
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Anton von Wielligh
Resource group id
resource:4de7e96bb1178c22259b
Deposit or zone
Costa Fuego OP Reserve

Resource Data

Category
probable
Tonnes
356000000
Grade
0.34
Grade Unit
%
Contained Metal
1213000
Contained Unit
t

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Probable Open Pit Reserve for Costa Fuego shows a large tonnage with good copper grades, indicating a robust and economically viable project, reported under high standards.

Positive factors

  • Large tonnage in Probable Reserve category
  • Good copper grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant

Negative factors

  • Historical estimate, low novelty

Evidence · table

“0.34”

Context: 356

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The reserve is classified as Probable, indicating a high level of confidence in economic viability.

Evidence · table

“Probable”

Context: 356

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

probableCosta Fuego · goldTonnes: 356000000Grade: 0.07Grade Unit: g/tContained Metal: 844000Contained Unit: kozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
gold
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
reserve
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Anton von Wielligh
Resource group id
resource:4de7e96bb1178c22259b
Deposit or zone
Costa Fuego OP Reserve

Resource Data

Category
probable
Tonnes
356000000
Grade
0.07
Grade Unit
g/t
Contained Metal
844000
Contained Unit
koz

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Probable Open Pit Reserve for Costa Fuego shows a large tonnage with good gold grades, contributing to the overall project value, reported under high standards.

Positive factors

  • Large tonnage in Probable Reserve category
  • Good gold grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant

Negative factors

  • Historical estimate, low novelty

Evidence · table

“0.07”

Context: 356

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The reserve is classified as Probable, indicating a high level of confidence in economic viability.

Evidence · table

“Probable”

Context: 356

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

probableCosta Fuego · silverTonnes: 356000000Grade: 0.37Grade Unit: g/tContained Metal: 4248000Contained Unit: kozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
silver
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
reserve
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Anton von Wielligh
Resource group id
resource:4de7e96bb1178c22259b
Deposit or zone
Costa Fuego OP Reserve

Resource Data

Category
probable
Tonnes
356000000
Grade
0.37
Grade Unit
g/t
Contained Metal
4248000
Contained Unit
koz

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Probable Open Pit Reserve for Costa Fuego shows a large tonnage with good silver grades, contributing to the overall project value, reported under high standards.

Positive factors

  • Large tonnage in Probable Reserve category
  • Good silver grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant

Negative factors

  • Historical estimate, low novelty

Evidence · table

“0.37”

Context: 356

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The reserve is classified as Probable, indicating a high level of confidence in economic viability.

Evidence · table

“Probable”

Context: 356

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

probableCosta Fuego · molybdenumTonnes: 356000000Grade: 98Grade Unit: ppmContained Metal: 35000Contained Unit: ktHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
molybdenum
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
reserve
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Anton von Wielligh
Resource group id
resource:4de7e96bb1178c22259b
Deposit or zone
Costa Fuego OP Reserve

Resource Data

Category
probable
Tonnes
356000000
Grade
98
Grade Unit
ppm
Contained Metal
35000
Contained Unit
kt

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Probable Open Pit Reserve for Costa Fuego shows a large tonnage with good molybdenum grades, contributing to the overall project value, reported under high standards.

Positive factors

  • Large tonnage in Probable Reserve category
  • Good molybdenum grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant

Negative factors

  • Historical estimate, low novelty

Evidence · table

“98”

Context: 356

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The reserve is classified as Probable, indicating a high level of confidence in economic viability.

Evidence · table

“Probable”

Context: 356

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

probableCosta Fuego · copperTonnes: 356000000Contained Metal: 1482000Contained Unit: ktHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
copper
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
reserve
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Anton von Wielligh
Resource group id
resource:4de7e96bb1178c22259b
Deposit or zone
Costa Fuego OP Reserve

Resource Data

Category
probable
Tonnes
356000000
Contained Metal
1482000
Contained Unit
kt

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Metal Eq. Grade
0.42
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Probable Open Pit Reserve for Costa Fuego shows a large tonnage with a good copper equivalent grade, indicating a robust and economically viable project, reported under high standards.

Positive factors

  • Large tonnage in Probable Reserve category
  • Good copper equivalent grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant
  • Detailed metal equivalent assumptions disclosed

Negative factors

  • Historical estimate, low novelty

Evidence · table

“0.42”

Context: 356

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The reserve is classified as Probable, indicating a high level of confidence in economic viability.

Evidence · table

“Probable”

Context: 356

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

probableCosta Fuego · copperTonnes: 146000000Grade: 0.44Grade Unit: %Contained Metal: 645000Contained Unit: ktHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
copper
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
reserve
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Anton von Wielligh
Resource group id
resource:b8aa1641177eac4c68fc
Deposit or zone
Costa Fuego UG Reserve

Resource Data

Category
probable
Tonnes
146000000
Grade
0.44
Grade Unit
%
Contained Metal
645000
Contained Unit
kt

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Probable Underground Reserve for Costa Fuego shows significant tonnage with strong copper grades, indicating a robust and economically viable project, reported under high standards.

Positive factors

  • Significant tonnage in Probable Reserve category
  • Strong copper grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant

Negative factors

  • Historical estimate, low novelty

Evidence · table

“0.44”

Context: 146

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The reserve is classified as Probable, indicating a high level of confidence in economic viability.

Evidence · table

“Probable”

Context: 146

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

probableCosta Fuego · goldTonnes: 146000000Grade: 0.16Grade Unit: g/tContained Metal: 734000Contained Unit: kozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
gold
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
reserve
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Anton von Wielligh
Resource group id
resource:b8aa1641177eac4c68fc
Deposit or zone
Costa Fuego UG Reserve

Resource Data

Category
probable
Tonnes
146000000
Grade
0.16
Grade Unit
g/t
Contained Metal
734000
Contained Unit
koz

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Probable Underground Reserve for Costa Fuego shows significant tonnage with good gold grades, contributing to the overall project value, reported under high standards.

Positive factors

  • Significant tonnage in Probable Reserve category
  • Good gold grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant

Negative factors

  • Historical estimate, low novelty

Evidence · table

“0.16”

Context: 146

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The reserve is classified as Probable, indicating a high level of confidence in economic viability.

Evidence · table

“Probable”

Context: 146

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

probableCosta Fuego · silverTonnes: 146000000Grade: 0.79Grade Unit: g/tContained Metal: 3704000Contained Unit: kozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
silver
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
reserve
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Anton von Wielligh
Resource group id
resource:b8aa1641177eac4c68fc
Deposit or zone
Costa Fuego UG Reserve

Resource Data

Category
probable
Tonnes
146000000
Grade
0.79
Grade Unit
g/t
Contained Metal
3704000
Contained Unit
koz

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Probable Underground Reserve for Costa Fuego shows significant tonnage with good silver grades, contributing to the overall project value, reported under high standards.

Positive factors

  • Significant tonnage in Probable Reserve category
  • Good silver grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant

Negative factors

  • Historical estimate, low novelty

Evidence · table

“0.79”

Context: 146

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The reserve is classified as Probable, indicating a high level of confidence in economic viability.

Evidence · table

“Probable”

Context: 146

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

probableCosta Fuego · molybdenumTonnes: 146000000Grade: 93Grade Unit: ppmContained Metal: 14000Contained Unit: ktHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
molybdenum
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
reserve
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Anton von Wielligh
Resource group id
resource:b8aa1641177eac4c68fc
Deposit or zone
Costa Fuego UG Reserve

Resource Data

Category
probable
Tonnes
146000000
Grade
93
Grade Unit
ppm
Contained Metal
14000
Contained Unit
kt

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Probable Underground Reserve for Costa Fuego shows significant tonnage with good molybdenum grades, contributing to the overall project value, reported under high standards.

Positive factors

  • Significant tonnage in Probable Reserve category
  • Good molybdenum grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant

Negative factors

  • Historical estimate, low novelty

Evidence · table

“93”

Context: 146

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The reserve is classified as Probable, indicating a high level of confidence in economic viability.

Evidence · table

“Probable”

Context: 146

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

probableCosta Fuego · copperTonnes: 146000000Contained Metal: 820000Contained Unit: ktHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
copper
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
reserve
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Anton von Wielligh
Resource group id
resource:b8aa1641177eac4c68fc
Deposit or zone
Costa Fuego UG Reserve

Resource Data

Category
probable
Tonnes
146000000
Contained Metal
820000
Contained Unit
kt

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Metal Eq. Grade
0.56
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Probable Underground Reserve for Costa Fuego shows significant tonnage with a strong copper equivalent grade, indicating a robust and economically viable project, reported under high standards.

Positive factors

  • Significant tonnage in Probable Reserve category
  • Strong copper equivalent grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant
  • Detailed metal equivalent assumptions disclosed

Negative factors

  • Historical estimate, low novelty

Evidence · table

“0.56”

Context: 146

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The reserve is classified as Probable, indicating a high level of confidence in economic viability.

Evidence · table

“Probable”

Context: 146

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

probableCosta Fuego · copperTonnes: 502000000Grade: 0.37Grade Unit: %Contained Metal: 1858000Contained Unit: tHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
copper
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
reserve
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Anton von Wielligh
Resource group id
resource:be3699b648398b15f112
Deposit or zone
Total Costa Fuego Reserve

Resource Data

Category
probable
Tonnes
502000000
Grade
0.37
Grade Unit
%
Contained Metal
1858000
Contained Unit
t

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Total Probable Reserve for Costa Fuego shows a very large tonnage with good copper grades, indicating a robust and economically viable project, reported under high standards.

Positive factors

  • Very large tonnage in Probable Reserve category
  • Good copper grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant

Negative factors

  • Historical estimate, low novelty

Evidence · table

“0.37”

Context: 502

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The reserve is classified as Probable, indicating a high level of confidence in economic viability.

Evidence · table

“Probable”

Context: 502

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

probableCosta Fuego · goldTonnes: 502000000Grade: 0.1Grade Unit: g/tContained Metal: 1578000Contained Unit: kozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
gold
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
reserve
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Anton von Wielligh
Resource group id
resource:be3699b648398b15f112
Deposit or zone
Total Costa Fuego Reserve

Resource Data

Category
probable
Tonnes
502000000
Grade
0.1
Grade Unit
g/t
Contained Metal
1578000
Contained Unit
koz

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Total Probable Reserve for Costa Fuego shows a very large tonnage with good gold grades, contributing to the overall project value, reported under high standards.

Positive factors

  • Very large tonnage in Probable Reserve category
  • Good gold grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant

Negative factors

  • Historical estimate, low novelty

Evidence · table

“0.10”

Context: 502

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The reserve is classified as Probable, indicating a high level of confidence in economic viability.

Evidence · table

“Probable”

Context: 502

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

probableCosta Fuego · silverTonnes: 502000000Grade: 0.49Grade Unit: g/tContained Metal: 7951000Contained Unit: kozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
silver
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
reserve
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Anton von Wielligh
Resource group id
resource:be3699b648398b15f112
Deposit or zone
Total Costa Fuego Reserve

Resource Data

Category
probable
Tonnes
502000000
Grade
0.49
Grade Unit
g/t
Contained Metal
7951000
Contained Unit
koz

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Total Probable Reserve for Costa Fuego shows a very large tonnage with good silver grades, contributing to the overall project value, reported under high standards.

Positive factors

  • Very large tonnage in Probable Reserve category
  • Good silver grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant

Negative factors

  • Historical estimate, low novelty

Evidence · table

“0.49”

Context: 502

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The reserve is classified as Probable, indicating a high level of confidence in economic viability.

Evidence · table

“Probable”

Context: 502

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

probableCosta Fuego · molybdenumTonnes: 502000000Grade: 97Grade Unit: ppmContained Metal: 49000Contained Unit: ktHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
molybdenum
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
reserve
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Anton von Wielligh
Resource group id
resource:be3699b648398b15f112
Deposit or zone
Total Costa Fuego Reserve

Resource Data

Category
probable
Tonnes
502000000
Grade
97
Grade Unit
ppm
Contained Metal
49000
Contained Unit
kt

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Total Probable Reserve for Costa Fuego shows a very large tonnage with good molybdenum grades, contributing to the overall project value, reported under high standards.

Positive factors

  • Very large tonnage in Probable Reserve category
  • Good molybdenum grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant

Negative factors

  • Historical estimate, low novelty

Evidence · table

“97”

Context: 502

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The reserve is classified as Probable, indicating a high level of confidence in economic viability.

Evidence · table

“Probable”

Context: 502

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

probableCosta Fuego · copperTonnes: 502000000Contained Metal: 2317000Contained Unit: ktHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
copper
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Resource scope

Estimate type
reserve
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Anton von Wielligh
Resource group id
resource:be3699b648398b15f112
Deposit or zone
Total Costa Fuego Reserve

Resource Data

Category
probable
Tonnes
502000000
Contained Metal
2317000
Contained Unit
kt

Prior Estimate

Resource Date
2025-03-27

Metal Equivalent

Metal Eq. Grade
0.46
Metal Eq. Unit
% CuEq
Assumptions Disclosed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-03-27T00:00:00.000Z

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: This historical Total Probable Reserve for Costa Fuego shows a very large tonnage with a good copper equivalent grade, indicating a robust and economically viable project, reported under high standards.

Positive factors

  • Very large tonnage in Probable Reserve category
  • Good copper equivalent grade for porphyry deposit
  • QP/CP signed off
  • JORC and NI 43-101 compliant
  • Detailed metal equivalent assumptions disclosed

Negative factors

  • Historical estimate, low novelty

Evidence · table

“0.46”

Context: 502

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The reserve is classified as Probable, indicating a high level of confidence in economic viability.

Evidence · table

“Probable”

Context: 502

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Metallurgical Results (24)

locked-cycleCosta Fuego · copperRecovery: 86 %View all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
copper
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Recovery
86 %
Recovery Basis
to_concentrate

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork shows high copper recovery to concentrate, indicating a robust processing route for the Costa Fuego project, supported by detailed locked-cycle tests.

Positive factors

  • High copper recovery for sulphide concentrator
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · text

“Average Recovery to Concentrate (%) ... Cu ... 86”
locked-cycleCosta Fuego · goldRecovery: 54 %View all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
gold
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Recovery
54 %
Recovery Basis
to_concentrate

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork shows moderate gold recovery to concentrate, contributing to the overall project economics, supported by detailed locked-cycle tests.

Positive factors

  • Moderate gold recovery for sulphide concentrator
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · text

“Average Recovery to Concentrate (%) ... Au ... 54”

Tags used in scoring

Low Recoverynegative

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

Why it applies: 54% is below the weak band (80%)

locked-cycleCosta Fuego · molybdenumRecovery: 70 %View all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
molybdenum
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Recovery
70 %
Recovery Basis
to_concentrate

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork shows moderate molybdenum recovery to concentrate, contributing to the overall project economics, supported by detailed locked-cycle tests.

Positive factors

  • Moderate molybdenum recovery for sulphide concentrator
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · text

“Average Recovery to Concentrate (%) ... Mo ... 70”
locked-cycleCosta Fuego · silverRecovery: 37 %View all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
silver
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Recovery
37 %
Recovery Basis
to_concentrate

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork shows low silver recovery to concentrate, which could impact overall project economics, despite being supported by detailed locked-cycle tests.

Positive factors

  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Low silver recovery for sulphide concentrator
  • Arsenic present in concentrate (44 ppm)

Evidence · text

“Average Recovery to Concentrate (%) ... Ag ... 37”
locked-cycleCosta Fuego · copperView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
copper
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
26
Conc. Grade Unit
%

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork produced a high-grade copper concentrate, which is positive for marketability, supported by detailed locked-cycle tests.

Positive factors

  • High copper concentrate grade
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“26”

Context: Cu %

locked-cycleCosta Fuego · goldView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
gold
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
5
Conc. Grade Unit
ppm

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork produced a good gold concentrate grade, contributing to the overall project value, supported by detailed locked-cycle tests.

Positive factors

  • Good gold concentrate grade
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“5”

Context: Au ppm

locked-cycleCosta Fuego · molybdenumView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
molybdenum
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
7411
Conc. Grade Unit
ppm

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork produced a good molybdenum concentrate grade, contributing to the overall project value, supported by detailed locked-cycle tests.

Positive factors

  • Good molybdenum concentrate grade
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“7,411”

Context: Mo ppm

locked-cycleCosta Fuego · silverView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
silver
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
24
Conc. Grade Unit
ppm

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork produced a good silver concentrate grade, contributing to the overall project value, supported by detailed locked-cycle tests.

Positive factors

  • Good silver concentrate grade
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“24”

Context: Ag ppm

locked-cycleCosta Fuego · arsenicView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
arsenic
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
44
Conc. Grade Unit
ppm

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The presence of arsenic at 44 ppm in the concentrate is a potential penalty element, which could negatively impact marketability, despite otherwise positive metallurgical results.

Positive factors

  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“44”

Context: As ppm

locked-cycleCosta Fuego · cobaltView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
cobalt
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
263
Conc. Grade Unit
ppm

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork produced a good cobalt concentrate grade, contributing to the overall project value, supported by detailed locked-cycle tests.

Positive factors

  • Good cobalt concentrate grade
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“263”

Context: Co ppm

locked-cycleCosta Fuego · chlorineView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
chlorine
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
238
Conc. Grade Unit
ppm

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork produced a good chloride concentrate grade, contributing to the overall project value, supported by detailed locked-cycle tests.

Positive factors

  • Good chloride concentrate grade
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“238”

Context: Cl ppm

locked-cycleCosta Fuego · aluminaView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
alumina
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
2
Conc. Grade Unit
%

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork produced a good alumina concentrate grade, contributing to the overall project value, supported by detailed locked-cycle tests.

Positive factors

  • Good alumina concentrate grade
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“2”

Context: Al2O3 %

locked-cycleCosta Fuego · bariumView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
barium
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
55
Conc. Grade Unit
ppm

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork produced a good barium concentrate grade, contributing to the overall project value, supported by detailed locked-cycle tests.

Positive factors

  • Good barium concentrate grade
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“55”

Context: Ba ppm

locked-cycleCosta Fuego · bismuthView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
bismuth
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
24
Conc. Grade Unit
ppm

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork produced a good bismuth concentrate grade, contributing to the overall project value, supported by detailed locked-cycle tests.

Positive factors

  • Good bismuth concentrate grade
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“24”

Context: Bi ppm

locked-cycleCosta Fuego · calcium_oxideView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
calcium_oxide
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
1
Conc. Grade Unit
%

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork produced a good calcium oxide concentrate grade, contributing to the overall project value, supported by detailed locked-cycle tests.

Positive factors

  • Good calcium oxide concentrate grade
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“1”

Context: CaO %

locked-cycleCosta Fuego · cadmiumView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
cadmium
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
7
Conc. Grade Unit
ppm

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork produced a good cadmium concentrate grade, contributing to the overall project value, supported by detailed locked-cycle tests.

Positive factors

  • Good cadmium concentrate grade
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“7”

Context: Cd ppm

locked-cycleCosta Fuego · iron_oreView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
iron_ore
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
28
Conc. Grade Unit
%

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork produced a good iron concentrate grade, contributing to the overall project value, supported by detailed locked-cycle tests.

Positive factors

  • Good iron concentrate grade
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“28”

Context: Fe %

locked-cycleCosta Fuego · mercuryView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
mercury
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
1
Conc. Grade Unit
ppm

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork produced a low mercury concentrate grade, which is positive for marketability, supported by detailed locked-cycle tests.

Positive factors

  • Low mercury concentrate grade
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“1”

Context: Hg ppm

locked-cycleCosta Fuego · potassiumView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
potassium
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
3842
Conc. Grade Unit
ppm

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork produced a good potassium concentrate grade, contributing to the overall project value, supported by detailed locked-cycle tests.

Positive factors

  • Good potassium concentrate grade
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“3,842”

Context: K ppm

locked-cycleCosta Fuego · magnesium_oxideView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
magnesium_oxide
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
3527
Conc. Grade Unit
ppm

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork produced a good magnesium oxide concentrate grade, contributing to the overall project value, supported by detailed locked-cycle tests.

Positive factors

  • Good magnesium oxide concentrate grade
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“3,527”

Context: MgO ppm

locked-cycleCosta Fuego · manganeseView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
manganese
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
98
Conc. Grade Unit
ppm

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork produced a good manganese concentrate grade, contributing to the overall project value, supported by detailed locked-cycle tests.

Positive factors

  • Good manganese concentrate grade
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“98”

Context: Mn ppm

locked-cycleCosta Fuego · sodiumView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
sodium
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
2392
Conc. Grade Unit
ppm

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork produced a good sodium concentrate grade, contributing to the overall project value, supported by detailed locked-cycle tests.

Positive factors

  • Good sodium concentrate grade
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“2,392”

Context: Na ppm

locked-cycleCosta Fuego · nickelView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
nickel
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
82
Conc. Grade Unit
ppm

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork produced a good nickel concentrate grade, contributing to the overall project value, supported by detailed locked-cycle tests.

Positive factors

  • Good nickel concentrate grade
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“82”

Context: Ni ppm

locked-cycleCosta Fuego · phosphorusView all details
Link to this fact

Identity

Project
Costa Fuego
Commodity
phosphorus
Region
chile
Reported Region
Huasco Valley, Chile
Ticker
HCH

Test Work

Program Status
detailed
Test Type
locked-cycle
Processing Route
Sulphide Concentrator

Recovery

Conc. Grade
154
Conc. Grade Unit
ppm

Lab

Laboratory
Wood Pty Ltd
Consultant
Wood Pty Ltd

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-19T00:00:00.000Z

Reasoning: The metallurgical testwork produced a good phosphorus concentrate grade, contributing to the overall project value, supported by detailed locked-cycle tests.

Positive factors

  • Good phosphorus concentrate grade
  • Detailed test program status (locked-cycle tests)
  • Clean concentrate produced
  • Extensive geometallurgical testwork

Negative factors

  • Arsenic present in concentrate (44 ppm)

Evidence · table

“154”

Context: P ppm

Tags used in scoring

Mill Routeneutral

Processing via mill or concentrator (CIL, CIP, tank leach, flotation).

Why it applies: processing_route matches the mill_cil signal

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.