Contango Announces Updated Mineral Resource Estimate for Kitsault Valley Project; Indicated Resources Increase 93% to 89.5 Million Silver Equivalent Ounces

Original announcement by orestocks on

Company
Contango Silver and Gold Inc.
Ticker
CTGO
Exchange
Unavailable
Region
Northwest British Columbia
Primary commodity
Silver
Secondary commodities
Gold, Copper, Lead, Zinc
Document categories
Resource update
Extracted
2026-09-22 13:25:35 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Contango Silver and Gold Inc. announced an updated Mineral Resource Estimate for its Kitsault Valley Project in British Columbia, reporting a 93% increase in Indicated silver equivalent resources to 89.55 million ounces. The estimate, compliant with SEC S-K 1300, incorporates 370 new drill holes and a revised geological interpretation, providing a stronger foundation for future economic assessments. While Indicated resources grew significantly, Inferred resources saw a net decrease due to conversion and revised geological understanding.

Reasoning: The updated MRE for the Kitsault Valley Project demonstrates a substantial 93% increase in Indicated silver equivalent resources, driven by extensive new drilling and a robust geological re-interpretation. This significantly de-risks the project and provides a stronger foundation for future economic studies, despite a net decrease in Inferred resources.

Positive factors

  • Significant increase in Indicated silver equivalent resources (93%)
  • Remodeled geological framework integrating extensive new drilling (370 holes, 175,264m)
  • Expanded high-grade primary silver inventory
  • Compliance with SEC S-K 1300 reporting standards and QP sign-off
  • Clear roadmap for future MRE updates and initial assessment

Negative factors

  • Net decrease in Inferred resources, partly due to conversion and revised interpretation
  • No Measured Resources or Mineral Reserves reported

Facts used in scoring: 40

Classification and evidence

Category Upgradepositive

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

Why it applies: The document reports a 93% increase in Indicated AgEq resources, indicating a significant upgrade in resource confidence from Inferred to Indicated categories.

Evidence · text

“93% Increase in Indicated AgEq Resources: Indicated Mineral Resources expand to 89.55 million ("M") oz silver equivalent ("AgEq")”

Tonnage Growthpositive

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

Why it applies: Indicated tonnage increased by 84.4% from 4.15 Mt to 7.66 Mt compared to the prior estimate.

Evidence · table

“+84.4%”

Context: 7.66

Contained Metal Growthpositive

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

Why it applies: Indicated AgEq contained metal increased by 93.1% from 46.37 Moz to 89.55 Moz compared to the prior estimate.

Evidence · table

“+93.1%”

Context: 89.55

QP/CP Signedpositive

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

Why it applies: Dave Larimer, CPG, Vice President, Exploration, is named as the Qualified Person responsible for the estimate.

Evidence · text

“The scientific and technical information contained in this news release has been reviewed and approved by Dave Larimer, CPG, Vice President, Exploration of Contango. Mr. Larimer is a "qualified person" as defined in Subpart 1300 of Regulation S-K and National Instrument 43-101.”

SEC S-K 1300 Compliantpositive · Story-specific tag

No canonical definition is currently available.

Why it applies: The MRE was prepared under Subpart 1300 of U.S. Securities and Exchange Commission Regulation S-K.

Evidence · text

“prepared under Subpart 1300 of U.S. Securities and Exchange Commission Regulation S-K”

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: The resource is reported at a cut-off grade of 132 g/t AgEq.

Evidence · text

“reported at a cut-off grade of 132 g/t AgEq”

Metal Equivalent Opaquepositive · Story-specific tag

Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used.

Why it applies: Metal equivalent calculations include variable metallurgical recovery assumptions across deposit groups and specific commodity prices, making the assumptions transparent.

Evidence · text

“Silver-equivalent calculations incorporate variable metallurgical recovery assumptions across deposit groups and use commodity prices of US$53/oz Ag, US$3,500/oz Au, US$5.00/lb Cu, US$1.25/lb Zn and US$0.90/lb Pb.”

Inferred Resourcenegative

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

Why it applies: The MRE includes 64.92 Moz AgEq in the Inferred category, which is a speculative resource category.

Evidence · text

“Inferred Mineral Resources of 64.92 Moz AgEq”

Tonnage Declinenegative

Resource tonnage decreased vs prior estimate — pit optimization removed marginal material or geological model revised down.

Why it applies: Inferred tonnage decreased by 7.7% from 6.83 Mt to 6.31 Mt compared to the prior estimate.

Evidence · table

“-7.7%”

Context: 6.31

Contained Metal Declinenegative

Contained metal decreased vs prior despite tonnage growth — grade dilution exceeds volume gain.

Why it applies: Inferred AgEq contained metal decreased by 25.1% from 86.73 Moz to 64.92 Moz compared to the prior estimate.

Evidence · table

“-25.1%”

Context: 64.92

Maiden Resourceneutral

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

Why it applies: The CEO states that the company plans to work on an initial mining plan for the district with completion of an Initial Assessment later in 2027, indicating the project is still in early economic study stages.

Evidence · text

“We look forward to incorporating this new data into our 2027 resource update and then working on an initial mining plan for the district with completion of an Initial Assessment later in 2027.”

Resource Updateneutral

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

Why it applies: The document explicitly states it is an 'Updated Mineral Resource Estimate' for the Kitsault Valley Project.

Evidence · text

“Updated Mineral Resource Estimate for Kitsault Valley Project”

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: The company plans to complete an S-K 1300 Initial Assessment targeted for later in 2027, which is equivalent to a Preliminary Economic Assessment (PEA).

Evidence · text

“The Company then plans to complete an S-K 1300 Initial Assessment targeted for later in 2027.”

Extracted facts

Stored fact records: 40. Some facts used in scoring do not have a stored record.

Resource Estimates (40)

indicatedKitsault Valley · silverTonnes: 2140000Grade: 89.14Grade Unit: g/tContained Metal: 33.28Contained Unit: mozView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
silver
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:78cae9213b6afff15bd8
Deposit or zone
Homestake
Mining method
underground

Resource Data

Category
indicated
Tonnes
2140000
Grade
89.14
Grade Unit
g/t
Contained Metal
33.28
Contained Unit
moz
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
483.7
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Homestake Indicated resource shows a strong silver equivalent grade, contributing significantly to the project's overall Indicated resource growth.

Positive factors

  • Indicated category provides high confidence
  • Strong silver equivalent grade
  • Contributes to significant overall resource increase

Evidence · table

“89.14”

Context: 2.14

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedKitsault Valley · goldTonnes: 2140000Grade: 5.63Grade Unit: g/tContained Metal: 387.42Contained Unit: kozView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
gold
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:78cae9213b6afff15bd8
Deposit or zone
Homestake
Mining method
underground

Resource Data

Category
indicated
Tonnes
2140000
Grade
5.63
Grade Unit
g/t
Contained Metal
387.42
Contained Unit
koz
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
483.7
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Homestake Indicated resource includes a strong gold grade, adding significant value to the polymetallic resource base.

Positive factors

  • Indicated category provides high confidence
  • Strong gold grade for an indicated resource
  • Contributes to polymetallic resource

Evidence · table

“5.63”

Context: 2.14

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedKitsault Valley · copperTonnes: 2140000Grade: 0.13Grade Unit: %Contained Metal: 6.32Contained Unit: mlbView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
copper
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:78cae9213b6afff15bd8
Deposit or zone
Homestake
Mining method
underground

Resource Data

Category
indicated
Tonnes
2140000
Grade
0.13
Grade Unit
%
Contained Metal
6.32
Contained Unit
mlb
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
483.7
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The copper grade in the Homestake Indicated resource is moderate, but contributes to the overall polymetallic nature of the deposit.

Positive factors

  • Indicated category provides high confidence
  • Contributes to polymetallic resource

Evidence · table

“0.13”

Context: 2.14

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedKitsault Valley · zincTonnes: 2140000Grade: 0.15Grade Unit: %Contained Metal: 7.02Contained Unit: mlbView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
zinc
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:78cae9213b6afff15bd8
Deposit or zone
Homestake
Mining method
underground

Resource Data

Category
indicated
Tonnes
2140000
Grade
0.15
Grade Unit
%
Contained Metal
7.02
Contained Unit
mlb
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
483.7
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The zinc grade in the Homestake Indicated resource is moderate, but adds to the polymetallic value of the deposit.

Positive factors

  • Indicated category provides high confidence
  • Contributes to polymetallic resource

Evidence · table

“0.15”

Context: 2.14

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedKitsault Valley · leadTonnes: 2140000Grade: 0.13Grade Unit: %Contained Metal: 5.96Contained Unit: mlbView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
lead
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:78cae9213b6afff15bd8
Deposit or zone
Homestake
Mining method
underground

Resource Data

Category
indicated
Tonnes
2140000
Grade
0.13
Grade Unit
%
Contained Metal
5.96
Contained Unit
mlb
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
483.7
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The lead grade in the Homestake Indicated resource is moderate, but adds to the polymetallic value of the deposit.

Positive factors

  • Indicated category provides high confidence
  • Contributes to polymetallic resource

Evidence · table

“0.13”

Context: 2.14

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedKitsault Valley · silverTonnes: 5520000Grade: 296.1Grade Unit: g/tContained Metal: 56.27Contained Unit: mozView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
silver
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:d5626f4a36f9c251aa19
Deposit or zone
Dolly Varden
Mining method
underground

Resource Data

Category
indicated
Tonnes
5520000
Grade
296.1
Grade Unit
g/t
Contained Metal
56.27
Contained Unit
moz
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
317.06
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Dolly Varden Indicated resource shows a strong silver equivalent grade, significantly contributing to the project's overall Indicated resource growth.

Positive factors

  • Indicated category provides high confidence
  • Strong silver equivalent grade
  • Major contributor to overall resource increase

Evidence · table

“296.1”

Context: 5.52

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedKitsault Valley · goldTonnes: 5520000Grade: 0.04Grade Unit: g/tContained Metal: 7.29Contained Unit: kozView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
gold
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:d5626f4a36f9c251aa19
Deposit or zone
Dolly Varden
Mining method
underground

Resource Data

Category
indicated
Tonnes
5520000
Grade
0.04
Grade Unit
g/t
Contained Metal
7.29
Contained Unit
koz
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
317.06
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The gold grade in the Dolly Varden Indicated resource is low, but still contributes to the overall polymetallic nature of the deposit.

Positive factors

  • Indicated category provides high confidence
  • Contributes to polymetallic resource

Evidence · table

“0.04”

Context: 5.52

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedKitsault Valley · copperTonnes: 5520000Grade: 0.03Grade Unit: %Contained Metal: 3.06Contained Unit: mlbView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
copper
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:d5626f4a36f9c251aa19
Deposit or zone
Dolly Varden
Mining method
underground

Resource Data

Category
indicated
Tonnes
5520000
Grade
0.03
Grade Unit
%
Contained Metal
3.06
Contained Unit
mlb
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
317.06
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The copper grade in the Dolly Varden Indicated resource is low, but still contributes to the overall polymetallic nature of the deposit.

Positive factors

  • Indicated category provides high confidence
  • Contributes to polymetallic resource

Evidence · table

“0.03”

Context: 5.52

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedKitsault Valley · zincTonnes: 5520000Grade: 0.67Grade Unit: %Contained Metal: 81.83Contained Unit: mlbView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
zinc
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:d5626f4a36f9c251aa19
Deposit or zone
Dolly Varden
Mining method
underground

Resource Data

Category
indicated
Tonnes
5520000
Grade
0.67
Grade Unit
%
Contained Metal
81.83
Contained Unit
mlb
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
317.06
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Dolly Varden Indicated resource includes a moderate zinc grade, adding to the polymetallic value of the deposit.

Positive factors

  • Indicated category provides high confidence
  • Moderate zinc grade
  • Contributes to polymetallic resource

Evidence · table

“0.67”

Context: 5.52

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedKitsault Valley · leadTonnes: 5520000Grade: 0.59Grade Unit: %Contained Metal: 72.2Contained Unit: mlbView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
lead
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:d5626f4a36f9c251aa19
Deposit or zone
Dolly Varden
Mining method
underground

Resource Data

Category
indicated
Tonnes
5520000
Grade
0.59
Grade Unit
%
Contained Metal
72.2
Contained Unit
mlb
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
317.06
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Dolly Varden Indicated resource includes a moderate lead grade, adding to the polymetallic value of the deposit.

Positive factors

  • Indicated category provides high confidence
  • Moderate lead grade
  • Contributes to polymetallic resource

Evidence · table

“0.59”

Context: 5.52

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedKitsault Valley · silverTonnes: 7660000Grade: 58.7Grade Unit: mozContained Metal: 89.55Contained Unit: mozView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
silver
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:966180cf9a7282bd6762
Deposit or zone
Project Total
Mining method
underground

Resource Data

Category
indicated
Tonnes
7660000
Grade
58.7
Grade Unit
moz
Contained Metal
89.55
Contained Unit
moz
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11
Prior Tonnes
4150000
Prior Contained Metal
46.37

Metal Equivalent

Metal Eq. Grade
89.55
Metal Eq. Unit
moz AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The project's total Indicated silver equivalent resource shows a substantial increase in contained metal and grade, reflecting successful resource conversion and expansion.

Positive factors

  • Significant increase in Indicated AgEq contained metal (+93.1%)
  • Strong silver equivalent grade
  • Indicated category provides high confidence

Evidence · table

“58.70”

Context: 7.66

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Tonnage Growthpositive

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

Why it applies: 7660000 against 4150000 previously

Contained Metal Growthpositive

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

Why it applies: 89.55 against 46.37 previously

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedKitsault Valley · goldTonnes: 7660000Grade: 1.6Grade Unit: g/tContained Metal: 394.7Contained Unit: kozView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
gold
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:966180cf9a7282bd6762
Deposit or zone
Project Total
Mining method
underground

Resource Data

Category
indicated
Tonnes
7660000
Grade
1.6
Grade Unit
g/t
Contained Metal
394.7
Contained Unit
koz
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The project's total Indicated gold resource, while moderate in grade, adds significant value to the overall polymetallic resource base.

Positive factors

  • Indicated category provides high confidence
  • Moderate gold grade
  • Contributes to polymetallic resource

Evidence · table

“1.60”

Context: 7.66

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedKitsault Valley · copperTonnes: 7660000Grade: 0.06Grade Unit: %Contained Metal: 9.38Contained Unit: mlbView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
copper
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:966180cf9a7282bd6762
Deposit or zone
Project Total
Mining method
underground

Resource Data

Category
indicated
Tonnes
7660000
Grade
0.06
Grade Unit
%
Contained Metal
9.38
Contained Unit
mlb
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The project's total Indicated copper resource, though low grade, contributes to the overall polymetallic nature of the deposit.

Positive factors

  • Indicated category provides high confidence
  • Contributes to polymetallic resource

Evidence · table

“0.06”

Context: 7.66

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedKitsault Valley · zincTonnes: 7660000Grade: 88.85Grade Unit: mlbContained Metal: 88.85Contained Unit: mlbView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
zinc
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:966180cf9a7282bd6762
Deposit or zone
Project Total
Mining method
underground

Resource Data

Category
indicated
Tonnes
7660000
Grade
88.85
Grade Unit
mlb
Contained Metal
88.85
Contained Unit
mlb
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
89.55
Metal Eq. Unit
moz AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The project's total Indicated zinc resource, with a moderate grade, adds to the polymetallic value of the deposit.

Positive factors

  • Indicated category provides high confidence
  • Moderate zinc grade
  • Contributes to polymetallic resource

Evidence · table

“88.85”

Context: 7.66

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedKitsault Valley · leadTonnes: 7660000Grade: 78.16Grade Unit: mlbContained Metal: 78.16Contained Unit: mlbView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
lead
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:966180cf9a7282bd6762
Deposit or zone
Project Total
Mining method
underground

Resource Data

Category
indicated
Tonnes
7660000
Grade
78.16
Grade Unit
mlb
Contained Metal
78.16
Contained Unit
mlb
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
89.55
Metal Eq. Unit
moz AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The project's total Indicated lead resource, with a moderate grade, adds to the polymetallic value of the deposit.

Positive factors

  • Indicated category provides high confidence
  • Moderate lead grade
  • Contributes to polymetallic resource

Evidence · table

“78.16”

Context: 7.66

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · silverTonnes: 4600000Grade: 53.91Grade Unit: g/tContained Metal: 48.5Contained Unit: mozView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
silver
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:fdfc2944ae823ed90ba0
Deposit or zone
Homestake
Mining method
underground

Resource Data

Category
inferred
Tonnes
4600000
Grade
53.91
Grade Unit
g/t
Contained Metal
48.5
Contained Unit
moz
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
328.3
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Homestake Inferred silver equivalent resource shows a moderate grade, contributing to the overall resource base, though with lower confidence.

Positive factors

  • Moderate silver equivalent grade
  • Contributes to overall resource base

Negative factors

  • Inferred category has lower confidence

Evidence · table

“53.91”

Context: 4.60

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · goldTonnes: 4600000Grade: 4.17Grade Unit: g/tContained Metal: 615.82Contained Unit: kozView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
gold
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:fdfc2944ae823ed90ba0
Deposit or zone
Homestake
Mining method
underground

Resource Data

Category
inferred
Tonnes
4600000
Grade
4.17
Grade Unit
g/t
Contained Metal
615.82
Contained Unit
koz
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
328.3
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Homestake Inferred gold resource shows a strong grade, adding significant value to the polymetallic resource, though with lower confidence.

Positive factors

  • Strong gold grade for an inferred resource
  • Contributes to polymetallic resource

Negative factors

  • Inferred category has lower confidence

Evidence · table

“4.17”

Context: 4.60

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · copperTonnes: 4600000Grade: 0.04Grade Unit: %Contained Metal: 4.24Contained Unit: mlbView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
copper
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:fdfc2944ae823ed90ba0
Deposit or zone
Homestake
Mining method
underground

Resource Data

Category
inferred
Tonnes
4600000
Grade
0.04
Grade Unit
%
Contained Metal
4.24
Contained Unit
mlb
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
328.3
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The copper grade in the Homestake Inferred resource is low, contributing to the polymetallic nature but with lower confidence.

Positive factors

  • Contributes to polymetallic resource

Negative factors

  • Inferred category has lower confidence
  • Low copper grade

Evidence · table

“0.04”

Context: 4.60

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · zincTonnes: 4600000Grade: 0.15Grade Unit: %Contained Metal: 14.69Contained Unit: mlbView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
zinc
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:fdfc2944ae823ed90ba0
Deposit or zone
Homestake
Mining method
underground

Resource Data

Category
inferred
Tonnes
4600000
Grade
0.15
Grade Unit
%
Contained Metal
14.69
Contained Unit
mlb
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
328.3
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The zinc grade in the Homestake Inferred resource is low, contributing to the polymetallic nature but with lower confidence.

Positive factors

  • Contributes to polymetallic resource

Negative factors

  • Inferred category has lower confidence
  • Low zinc grade

Evidence · table

“0.15”

Context: 4.60

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · leadTonnes: 4600000Grade: 0.17Grade Unit: %Contained Metal: 16.86Contained Unit: mlbView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
lead
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:fdfc2944ae823ed90ba0
Deposit or zone
Homestake
Mining method
underground

Resource Data

Category
inferred
Tonnes
4600000
Grade
0.17
Grade Unit
%
Contained Metal
16.86
Contained Unit
mlb
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
328.3
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The lead grade in the Homestake Inferred resource is low, contributing to the polymetallic nature but with lower confidence.

Positive factors

  • Contributes to polymetallic resource

Negative factors

  • Inferred category has lower confidence
  • Low lead grade

Evidence · table

“0.17”

Context: 4.60

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · silverTonnes: 1710000Grade: 269.91Grade Unit: g/tContained Metal: 16.42Contained Unit: mozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
silver
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:cf2f93b38fb165f7b8f6
Deposit or zone
Dolly Varden
Mining method
underground

Resource Data

Category
inferred
Tonnes
1710000
Grade
269.91
Grade Unit
g/t
Contained Metal
16.42
Contained Unit
moz
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
289.65
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Dolly Varden Inferred silver equivalent resource shows a moderate grade, contributing to the overall resource base, though with lower confidence.

Positive factors

  • Moderate silver equivalent grade
  • Contributes to overall resource base

Negative factors

  • Inferred category has lower confidence

Evidence · table

“269.91”

Context: 1.71

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · goldTonnes: 1710000Grade: 0.1Grade Unit: g/tContained Metal: 4.99Contained Unit: kozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
gold
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:cf2f93b38fb165f7b8f6
Deposit or zone
Dolly Varden
Mining method
underground

Resource Data

Category
inferred
Tonnes
1710000
Grade
0.1
Grade Unit
g/t
Contained Metal
4.99
Contained Unit
koz
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
289.65
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The gold grade in the Dolly Varden Inferred resource is low, contributing to the polymetallic nature but with lower confidence.

Positive factors

  • Contributes to polymetallic resource

Negative factors

  • Inferred category has lower confidence
  • Low gold grade

Evidence · table

“0.10”

Context: 1.71

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · copperTonnes: 1710000Grade: 0.05Grade Unit: %Contained Metal: 1.8Contained Unit: mlbHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
copper
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:cf2f93b38fb165f7b8f6
Deposit or zone
Dolly Varden
Mining method
underground

Resource Data

Category
inferred
Tonnes
1710000
Grade
0.05
Grade Unit
%
Contained Metal
1.8
Contained Unit
mlb
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
289.65
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The copper grade in the Dolly Varden Inferred resource is low, contributing to the polymetallic nature but with lower confidence.

Positive factors

  • Contributes to polymetallic resource

Negative factors

  • Inferred category has lower confidence
  • Low copper grade

Evidence · table

“0.05”

Context: 1.71

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · zincTonnes: 1710000Grade: 0.9Grade Unit: %Contained Metal: 33.92Contained Unit: mlbHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
zinc
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:cf2f93b38fb165f7b8f6
Deposit or zone
Dolly Varden
Mining method
underground

Resource Data

Category
inferred
Tonnes
1710000
Grade
0.9
Grade Unit
%
Contained Metal
33.92
Contained Unit
mlb
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
289.65
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Dolly Varden Inferred zinc resource shows a moderate grade, adding to the polymetallic value, though with lower confidence.

Positive factors

  • Moderate zinc grade
  • Contributes to polymetallic resource

Negative factors

  • Inferred category has lower confidence

Evidence · table

“0.90”

Context: 1.71

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · leadTonnes: 1710000Grade: 0.62Grade Unit: %Contained Metal: 23.38Contained Unit: mlbHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
lead
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:cf2f93b38fb165f7b8f6
Deposit or zone
Dolly Varden
Mining method
underground

Resource Data

Category
inferred
Tonnes
1710000
Grade
0.62
Grade Unit
%
Contained Metal
23.38
Contained Unit
mlb
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
289.65
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Dolly Varden Inferred lead resource shows a moderate grade, adding to the polymetallic value, though with lower confidence.

Positive factors

  • Moderate lead grade
  • Contributes to polymetallic resource

Negative factors

  • Inferred category has lower confidence

Evidence · table

“0.62”

Context: 1.71

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · silverTonnes: 6310000Grade: 22.8Grade Unit: mozContained Metal: 64.92Contained Unit: mozView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
silver
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:d83b908f516d9315a498
Deposit or zone
Project Total
Mining method
underground

Resource Data

Category
inferred
Tonnes
6310000
Grade
22.8
Grade Unit
moz
Contained Metal
64.92
Contained Unit
moz
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11
Prior Tonnes
6830000
Prior Contained Metal
86.73

Metal Equivalent

Metal Eq. Grade
64.92
Metal Eq. Unit
moz AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The project's total Inferred silver equivalent resource shows a net decrease in contained metal and lower confidence, reflecting resource conversion and revised interpretation.

Positive factors

  • Moderate silver equivalent grade
  • Contributes to overall resource base

Negative factors

  • Inferred category has lower confidence
  • Net decrease in Inferred AgEq contained metal (-25.1%)

Evidence · table

“22.80”

Context: 6.31

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Tonnage Declinenegative

Resource tonnage decreased vs prior estimate — pit optimization removed marginal material or geological model revised down.

Why it applies: 6310000 against 6830000 previously

Contained Metal Declinenegative

Contained metal decreased vs prior despite tonnage growth — grade dilution exceeds volume gain.

Why it applies: 64.92 against 86.73 previously

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · goldTonnes: 6310000Grade: 3.06Grade Unit: g/tContained Metal: 620.82Contained Unit: kozView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
gold
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:d83b908f516d9315a498
Deposit or zone
Project Total
Mining method
underground

Resource Data

Category
inferred
Tonnes
6310000
Grade
3.06
Grade Unit
g/t
Contained Metal
620.82
Contained Unit
koz
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The project's total Inferred gold resource shows a strong grade, adding significant value to the polymetallic resource, though with lower confidence.

Positive factors

  • Strong gold grade for an inferred resource
  • Contributes to polymetallic resource

Negative factors

  • Inferred category has lower confidence

Evidence · table

“3.06”

Context: 6.31

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · copperTonnes: 6310000Grade: 0.04Grade Unit: %Contained Metal: 6.04Contained Unit: mlbView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
copper
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:d83b908f516d9315a498
Deposit or zone
Project Total
Mining method
underground

Resource Data

Category
inferred
Tonnes
6310000
Grade
0.04
Grade Unit
%
Contained Metal
6.04
Contained Unit
mlb
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The project's total Inferred copper resource, though low grade, contributes to the overall polymetallic nature of the deposit with lower confidence.

Positive factors

  • Contributes to polymetallic resource

Negative factors

  • Inferred category has lower confidence
  • Low copper grade

Evidence · table

“0.04”

Context: 6.31

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · zincTonnes: 6310000Grade: 48.61Grade Unit: mlbContained Metal: 48.61Contained Unit: mlbView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
zinc
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:d83b908f516d9315a498
Deposit or zone
Project Total
Mining method
underground

Resource Data

Category
inferred
Tonnes
6310000
Grade
48.61
Grade Unit
mlb
Contained Metal
48.61
Contained Unit
mlb
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
64.92
Metal Eq. Unit
moz AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The project's total Inferred zinc resource, with a moderate grade, adds to the polymetallic value of the deposit with lower confidence.

Positive factors

  • Moderate zinc grade
  • Contributes to polymetallic resource

Negative factors

  • Inferred category has lower confidence

Evidence · table

“48.61¹”

Context: 6.31

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · leadTonnes: 6310000Grade: 40.24Grade Unit: mlbContained Metal: 40.24Contained Unit: mlbView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
lead
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:d83b908f516d9315a498
Deposit or zone
Project Total
Mining method
underground

Resource Data

Category
inferred
Tonnes
6310000
Grade
40.24
Grade Unit
mlb
Contained Metal
40.24
Contained Unit
mlb
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
64.92
Metal Eq. Unit
moz AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The project's total Inferred lead resource, with a moderate grade, adds to the polymetallic value of the deposit with lower confidence.

Positive factors

  • Moderate lead grade
  • Contributes to polymetallic resource

Negative factors

  • Inferred category has lower confidence

Evidence · table

“40.24”

Context: 6.31

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · silverTonnes: 238340000Grade: 1.6Grade Unit: g/tView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
silver
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:3a84a7e132015a06e322
Mining method
underground

Resource Data

Category
inferred
Tonnes
238340000
Grade
1.6
Grade Unit
g/t
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
89.55
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Homestake Inferred silver resource contributes to the overall resource base, but its lower confidence category and grade warrant caution. (Expanded from multi-commodity resource table for completeness.)

Positive factors

  • Contributes to overall resource base

Negative factors

  • Inferred category has lower confidence
  • Lower silver grade compared to indicated

Evidence · table

“1.60”

Context: 238.34

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · goldTonnes: 238340000Grade: 0.06Grade Unit: g/tView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
gold
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:3a84a7e132015a06e322
Mining method
underground

Resource Data

Category
inferred
Tonnes
238340000
Grade
0.06
Grade Unit
g/t
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
89.55
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Homestake Inferred silver resource contributes to the overall resource base, but its lower confidence category and grade warrant caution. (Expanded from multi-commodity resource table for completeness.)

Positive factors

  • Contributes to overall resource base

Negative factors

  • Inferred category has lower confidence
  • Lower silver grade compared to indicated

Evidence · table

“0.06”

Context: 238.34

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · copperTonnes: 238340000Grade: 0.53Grade Unit: %View all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
copper
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:3a84a7e132015a06e322
Mining method
underground

Resource Data

Category
inferred
Tonnes
238340000
Grade
0.53
Grade Unit
%
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
89.55
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Homestake Inferred silver resource contributes to the overall resource base, but its lower confidence category and grade warrant caution. (Expanded from multi-commodity resource table for completeness.)

Positive factors

  • Contributes to overall resource base

Negative factors

  • Inferred category has lower confidence
  • Lower silver grade compared to indicated

Evidence · table

“0.53”

Context: 238.34

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · zincTonnes: 238340000Grade: 0.46Grade Unit: %View all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
zinc
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:3a84a7e132015a06e322
Mining method
underground

Resource Data

Category
inferred
Tonnes
238340000
Grade
0.46
Grade Unit
%
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
89.55
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Homestake Inferred silver resource contributes to the overall resource base, but its lower confidence category and grade warrant caution. (Expanded from multi-commodity resource table for completeness.)

Positive factors

  • Contributes to overall resource base

Negative factors

  • Inferred category has lower confidence
  • Lower silver grade compared to indicated

Evidence · table

“0.46”

Context: 238.34

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · leadTonnes: 238340000Grade: 363Grade Unit: %View all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
lead
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:3a84a7e132015a06e322
Mining method
underground

Resource Data

Category
inferred
Tonnes
238340000
Grade
363
Grade Unit
%
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
89.55
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Homestake Inferred silver resource contributes to the overall resource base, but its lower confidence category and grade warrant caution. (Expanded from multi-commodity resource table for completeness.)

Positive factors

  • Contributes to overall resource base

Negative factors

  • Inferred category has lower confidence
  • Lower silver grade compared to indicated

Evidence · table

“363.0”

Context: 238.34

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · silverTonnes: 112500000Grade: 3.06Grade Unit: g/tView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
silver
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:7519063783dbeff07d30
Mining method
underground

Resource Data

Category
inferred
Tonnes
112500000
Grade
3.06
Grade Unit
g/t
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
64.92
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Homestake Inferred silver resource contributes to the overall resource base, but its lower confidence category and grade warrant caution. (Expanded from multi-commodity resource table for completeness.)

Positive factors

  • Contributes to overall resource base

Negative factors

  • Inferred category has lower confidence
  • Lower silver grade compared to indicated

Evidence · table

“3.06”

Context: 112.50

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · goldTonnes: 112500000Grade: 0.04Grade Unit: g/tView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
gold
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:7519063783dbeff07d30
Mining method
underground

Resource Data

Category
inferred
Tonnes
112500000
Grade
0.04
Grade Unit
g/t
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
64.92
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Homestake Inferred silver resource contributes to the overall resource base, but its lower confidence category and grade warrant caution. (Expanded from multi-commodity resource table for completeness.)

Positive factors

  • Contributes to overall resource base

Negative factors

  • Inferred category has lower confidence
  • Lower silver grade compared to indicated

Evidence · table

“0.04”

Context: 112.50

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · copperTonnes: 112500000Grade: 0.35Grade Unit: %Historical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
copper
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:7519063783dbeff07d30
Mining method
underground

Resource Data

Category
inferred
Tonnes
112500000
Grade
0.35
Grade Unit
%
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
64.92
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Homestake Inferred silver resource contributes to the overall resource base, but its lower confidence category and grade warrant caution. (Expanded from multi-commodity resource table for completeness.)

Positive factors

  • Contributes to overall resource base

Negative factors

  • Inferred category has lower confidence
  • Lower silver grade compared to indicated

Evidence · table

“0.35”

Context: 112.50

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · zincTonnes: 112500000Grade: 0.29Grade Unit: %Historical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
zinc
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:7519063783dbeff07d30
Mining method
underground

Resource Data

Category
inferred
Tonnes
112500000
Grade
0.29
Grade Unit
%
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
64.92
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Homestake Inferred silver resource contributes to the overall resource base, but its lower confidence category and grade warrant caution. (Expanded from multi-commodity resource table for completeness.)

Positive factors

  • Contributes to overall resource base

Negative factors

  • Inferred category has lower confidence
  • Lower silver grade compared to indicated

Evidence · table

“0.29”

Context: 112.50

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredKitsault Valley · leadTonnes: 112500000Grade: 320.26Grade Unit: %Historical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Kitsault Valley
Commodity
lead
Region
canada_bc
Reported Region
Northwest British Columbia
Ticker
CTGO

Resource scope

Estimate type
resource
Effective date
2026-09-11T00:00:00.000Z
Reporting standards
ni_43_101, sec_sk1300
QP Signed
Yes
Qualified person names
Dave Larimer
Resource group id
resource:7519063783dbeff07d30
Mining method
underground

Resource Data

Category
inferred
Tonnes
112500000
Grade
320.26
Grade Unit
%
Cutoff Grade
132
Cutoff Unit
g/t AgEq

Prior Estimate

Resource Date
2026-09-11

Metal Equivalent

Metal Eq. Grade
64.92
Metal Eq. Unit
g/t AgEq
Assumptions Disclosed
Yes

Location

CRS
NAD83 / UTM Zone 9N
Loc. Confidence
medium

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: The Homestake Inferred silver resource contributes to the overall resource base, but its lower confidence category and grade warrant caution. (Expanded from multi-commodity resource table for completeness.)

Positive factors

  • Contributes to overall resource base

Negative factors

  • Inferred category has lower confidence
  • Lower silver grade compared to indicated

Evidence · table

“320.26”

Context: 112.50

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

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.