Endurance Reports Inaugural Mineral Resource Estimate at Reliance, 19.6 Mt at 2.30 gpt Au for 1.45 M oz Gold Inferred

Original announcement by tmx on

Company
Endurance Gold Corporation
Ticker
EDG
Exchange
TSX
Region
British Columbia, Canada
Primary commodity
Gold
Secondary commodities
Antimony
Document categories
Resource update, Metallurgy
Extracted
2026-09-19 20:35:21 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Endurance Gold Corporation has announced its first Mineral Resource Estimate for the Reliance Gold Project in British Columbia, totaling 19.6 Mt at 2.30 g/t gold (1.45 Moz Au), all classified as Inferred. The resource includes a near-surface open pit component and a higher-grade underground component, supported by positive initial flotation metallurgy.

Reasoning: The announcement of an inaugural 1.45 Moz gold resource is a major milestone for a grassroots discovery, though the lack of Indicated/Measured categories and the need for further metallurgical optimization on antimony are noted.

Positive factors

  • Inaugural MRE establishes a significant baseline for the Reliance Project
  • High-grade underground component (2.58 gpt Au)
  • Positive initial metallurgy indicating marketable concentrate
  • Infrastructure and road access already in place

Negative factors

  • 100% Inferred resource status limits immediate economic viability
  • Antimony presence noted as a potential metallurgical complexity

Facts used in scoring: 7

Classification and evidence

Maiden Resourceneutral

First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component. No prior estimate exists, so every change band is not applicable.

Why it applies: The company reports an 'inaugural Mineral Resource Estimate' for the Reliance Project.

Evidence · text

“inaugural Inferred Mineral Resource Estimate (" MRE ")”

All Inferrednegative

M&I share below the weak bound — very early stage, no engineering confidence.

Why it applies: The entire reported resource is in the Inferred category.

Evidence · text

“inaugural Inferred Mineral Resource Estimate”

NI 43-101 Compliantpositive

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

Why it applies: The MRE was completed in accordance with NI 43-101 standards.

Evidence · text

“In accordance with the 2014 Canadian Institute of Mining, Metallurgy, and Petroleum ("CIM") Definition Standards and Canadian National Instrument 43-101 ("NI 43-101")”

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: Marc Jutras, P.Eng, M.A.Sc. is named as the Qualified Person for the MRE.

Evidence · text

“The Mineral Resource Estimate was prepared by Marc Jutras, P.Eng, M.A.Sc., Principal, Ginto Consulting Inc., a Qualified Person”

Cut-off Disclosedpositive

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

Why it applies: Cut-off grades for both open pit (0.30 gpt Au) and underground (1.0 gpt Au) are clearly stated.

Evidence · text

“base case cut-off grade of 0.30 gpt Au for open pit (Zone OP), and 1.0 gpt Au for underground (Zone UG)”

Mill Routeneutral

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

Why it applies: Metallurgical testwork utilized a flotation process.

Evidence · text

“flotation tests using a simple and conventional flotation process were completed”

Gravity Routeneutral

Gravity separation forms a material part of the flowsheet.

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

Single Domain Onlynegative

Testing limited to one composite or domain — representativeness not established.

Why it applies: only one composite was tested

Extracted facts

Stored fact records: 7. Some facts used in scoring do not have a stored record.

Resource Estimates (5)

inferredReliance Gold Project · goldTonnes: 19600000Grade: 2.3Grade Unit: g/tContained Metal: 1.45Contained Unit: mozView all details
Link to this fact

Identity

Project
Reliance Gold Project
Commodity
gold
Region
canada_bc
Reported Region
British Columbia, Canada
Ticker
EDG

Resource scope

Estimate type
resource
Effective date
2026-01-08T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras
Resource group id
resource:a4acc6378f10fe0418ce
Mining method
combined
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
19600000
Grade
2.3
Grade Unit
g/t
Contained Metal
1.45
Contained Unit
moz
Cutoff Grade
0.3
Cutoff Unit
gpt Au

Prior Estimate

Resource Date
2026-01-08

Review

Needs Review
No
Historical
No

Dates

Event date
2026-01-19T00:00:00.000Z

Reasoning: Large maiden resource but lacks geological confidence categories.

Positive factors

  • Significant scale for an inaugural estimate

Negative factors

  • Entirely Inferred category

Evidence · table

“2.30”

Context: 19.6

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

PEA-Supportingneutral

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

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

inferredReliance Gold Project · goldTonnes: 15600000Grade: 2.23Grade Unit: g/tContained Metal: 1.12Contained Unit: mozView all details
Link to this fact

Identity

Project
Reliance Gold Project
Commodity
gold
Region
canada_bc
Reported Region
British Columbia, Canada
Ticker
EDG

Resource scope

Estimate type
resource
Effective date
2026-01-08T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras
Resource group id
resource:12df1e372e4b0de3b192
Deposit or zone
Zone OP
Mining method
open_pit
Material type
oxide
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
15600000
Grade
2.23
Grade Unit
g/t
Contained Metal
1.12
Contained Unit
moz
Cutoff Grade
0.3
Cutoff Unit
gpt Au

Prior Estimate

Resource Date
2026-01-08

Review

Needs Review
No
Historical
No

Dates

Event date
2026-01-19T00:00:00.000Z

Reasoning: Standard near-surface component of the resource.

Positive factors

  • Contributes majority of total ounces

Negative factors

  • Inferred only

Evidence · text

“15.6 Mt grading 2.23 gpt Au, for 1.12 Moz contained gold reporting to the open pit”

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

PEA-Supportingneutral

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

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

inferredReliance Gold Project · goldTonnes: 4000000Grade: 2.58Grade Unit: g/tContained Metal: 0.33Contained Unit: mozView all details
Link to this fact

Identity

Project
Reliance Gold Project
Commodity
gold
Region
canada_bc
Reported Region
British Columbia, Canada
Ticker
EDG

Resource scope

Estimate type
resource
Effective date
2026-01-08T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras
Resource group id
resource:a4d558c13875a194335a
Deposit or zone
Zone UG
Mining method
underground
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
4000000
Grade
2.58
Grade Unit
g/t
Contained Metal
0.33
Contained Unit
moz
Cutoff Grade
1
Cutoff Unit
gpt Au

Prior Estimate

Resource Date
2026-01-08

Review

Needs Review
No
Historical
No

Dates

Event date
2026-01-19T00:00:00.000Z

Reasoning: High-grade underground component provides depth potential.

Positive factors

  • Higher grade than surface resource

Negative factors

  • Inferred only

Evidence · text

“Underground Inferred Mineral Resource: 4.0 Mt grading 2.58 gpt Au for 0.33 Moz contained gold”

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

PEA-Supportingneutral

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

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

inferredReliance Gold Project · goldTonnes: 15600000Grade: 2.23Grade Unit: g/tContained Metal: 1.12Contained Unit: mozView all details
Link to this fact

Identity

Project
Reliance Gold Project
Commodity
gold
Region
canada_bc
Reported Region
British Columbia, Canada
Ticker
EDG

Resource scope

Estimate type
resource
Effective date
2026-01-08T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras
Resource group id
resource:2746f57a506fb9bd7c4c
Deposit or zone
Open Pit
Mining method
open_pit
Material type
oxide
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
15600000
Grade
2.23
Grade Unit
g/t
Contained Metal
1.12
Contained Unit
moz
Cutoff Grade
0.3
Cutoff Unit
gpt Au

Prior Estimate

Resource Date
2026-01-08

Review

Needs Review
No
Historical
No

Dates

Event date
2026-01-19T00:00:00.000Z

Reasoning: Standard near-surface component of the resource. (Expanded from multi-commodity resource table for completeness.)

Positive factors

  • Contributes majority of total ounces

Negative factors

  • Inferred only

Evidence · table

“2.23”

Context: 15.6

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

PEA-Supportingneutral

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

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

inferredReliance Gold Project · goldTonnes: 4000000Grade: 2.58Grade Unit: g/tContained Metal: 0.33Contained Unit: mozView all details
Link to this fact

Identity

Project
Reliance Gold Project
Commodity
gold
Region
canada_bc
Reported Region
British Columbia, Canada
Ticker
EDG

Resource scope

Estimate type
resource
Effective date
2026-01-08T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras
Resource group id
resource:0bff1b170841730f724e
Deposit or zone
Underground
Mining method
underground
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
4000000
Grade
2.58
Grade Unit
g/t
Contained Metal
0.33
Contained Unit
moz
Cutoff Grade
1
Cutoff Unit
gpt Au

Prior Estimate

Resource Date
2026-01-08

Review

Needs Review
No
Historical
No

Dates

Event date
2026-01-19T00:00:00.000Z

Reasoning: High-grade underground component provides depth potential. (Expanded from multi-commodity resource table for completeness.)

Positive factors

  • Higher grade than surface resource

Negative factors

  • Inferred only

Evidence · table

“2.58”

Context: 4.0

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

PEA-Supportingneutral

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

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

Metallurgical Results (2)

flotationReliance Gold Project · goldRecovery: 80 %View all details
Link to this fact

Identity

Project
Reliance Gold Project
Commodity
gold
Region
canada_bc
Reported Region
British Columbia, Canada
Ticker
EDG

Test Work

Program Status
preliminary
Test Type
flotation
Processing Route
flotation
Sample
sulphide mineralization composite

Recovery

Recovery
80 %
Recovery Basis
actual_test
Conc. Grade
50
Conc. Grade Unit
gpt

Lab

Consultant
Chris Martin

Review

Needs Review
No
Historical
No

Dates

Event date
2026-01-19T00:00:00.000Z

Reasoning: Initial flotation results are positive but require further optimization for cleaner concentrate and antimony.

Positive factors

  • Achieved 80% recovery in cleaner flotation

Negative factors

  • Antimony recovery not yet optimized

Evidence · text

“Initial cleaner flotation testwork yielded a concentrate grade of 50 gpt gold at 80% gold recovery”

Tags used in scoring

Mill Routeneutral

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

Why it applies: processing_route matches the flotation signal

Fact 2Reliance Gold Project · antimonyHead Grade: 0.24Head Grade Unit: %View all details
Link to this fact

Identity

Project
Reliance Gold Project
Commodity
antimony
Region
canada_bc
Reported Region
British Columbia, Canada
Ticker
EDG

Test Work

Program Status
preliminary
Sample
sulphide mineralization composite

Recovery

Head Grade
0.24
Head Grade Unit
%

Review

Needs Review
No
Historical
No

Dates

Event date
2026-01-19T00:00:00.000Z

Reasoning: Antimony is present but recovery/separation is a future work item.

Negative factors

  • Antimony separation not yet completed

Evidence · text

“The sulphide composite for the initial test work assayed 6.74 gpt gold and 0.24% antimony”

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.