Banyan Expands Indicated and Inferred Mineral Resource Estimate and Improves Grade at AurMac Deposit, Yukon, Canada

Original announcement by tmx on

Company
Banyan Gold Corp.
Ticker
BYN
Exchange
TSX
Region
Yukon Territory, Canada
Primary commodity
Gold
Secondary commodities
None reported
Document categories
Resource update
Extracted
2026-09-15 14:52:05 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Banyan Gold Corp. announced an updated Mineral Resource Estimate for its AurMac Project in Yukon, Canada, reporting a significant increase in Indicated resources. The new MRE includes 3.64 million ounces of gold in the Indicated category (167.3 Mt at 0.68 g/t Au) and 4.98 million ounces of gold in the Inferred category (267.2 Mt at 0.58 g/t Au). This update represents a 60% increase in Indicated contained ounces and an 8% increase in Indicated grade compared to the previous estimate, with overall project contained ounces growing by approximately 12%.

Reasoning: Banyan Gold has significantly expanded its Indicated Mineral Resource at the AurMac Project, with a 60% increase in contained gold ounces and an 8% increase in grade, which is a strong de-risking signal. While the Inferred category saw a slight decrease in contained ounces, the overall project contained gold ounces grew by 12%, demonstrating continued growth and confidence in the deposit. The MRE is compliant with NI 43-101 and signed off by a Qualified Person, supporting its credibility. The identification of higher-grade zones and the open nature of the deposit further enhance its potential.

Positive factors

  • Significant increase in Indicated Mineral Resource contained ounces (60%) and grade (8%) for the AurMac Project.
  • Overall project contained gold ounces increased by approximately 12% (Indicated + Inferred).
  • The MRE is NI 43-101 compliant and signed off by an independent Qualified Person.
  • The resource remains open in all directions, indicating further growth potential.
  • High-grade zones identified at a 0.55 g/t Au cut-off, highlighting potential for higher-grade mining scenarios.

Negative factors

  • Inferred Mineral Resource contained ounces and tonnage decreased compared to the prior estimate, though overall project ounces increased.

Facts used in scoring: 18

Classification and evidence

NI 43-101 Compliantpositive

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

Why it applies: The Mineral Resource Estimate was prepared in accordance with the National Instrument 43-101, Standards of Disclosure for Mineral Projects.

Evidence · text

“prepared in accordance with the National Instrument 43-101, Standards of Disclosure for Mineral Projects (" 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: The MRE was prepared by Marc Jutras, P.Eng., M.A.Sc., Principal, Ginto Consulting Inc., who is an independent Qualified Person as defined by NI 43-101, and Duncan Mackay, M.Sc., P.Geo., also a Qualified Person, reviewed and approved the content.

Evidence · text

“The updated Mineral Resource Estimate for the AurMac Project was prepared by Marc Jutras, P.Eng., M.A.Sc., Principal, Ginto Consulting Inc., an independent " Qualified Person " within the meaning of NI 43-101 , who has reviewed and approved the contents of this release and has verified the data disclosed as it relates to the MRE. Duncan Mackay, M.Sc., P.Geo., is a " Qualified Person" as ‎defined under National Instrument 43-101, Standards of Disclosure for Mineral Projects (" NI 43-101 "), and has reviewed and approved the content of this news release in respect of all disclosure other than the MRE.”

Category Upgradepositive

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

Why it applies: Indicated Mineral Resource grows 60% in contained ounces, with an Indicated grade increase of 8%, indicating a significant upgrade in confidence.

Evidence · text

“Indicated Mineral Resource grows 60% in contained ounces , with an Indicated grade increase of 8%”

Tonnage Growthpositive

Tonnage increase reaching the strong tier vs prior estimate, with grade maintained or improved.

Why it applies: The Indicated Mineral Resource tonnage increased from 112.5 Mt to 167.3 Mt, a significant increase.

Evidence · text

“Indicated 3.64 million (" M ") ‎ ounces (" oz ") of gold (" Au ") (167.3 M tonnes at 0.68 g/t Au )”

Grade Improvementpositive

Average resource grade improved vs prior estimate — better deposit economics.

Why it applies: The Indicated grade increased by 8% from 0.629 g/t to 0.677 g/t.

Evidence · text

“Indicated grade increase of 8%”

Contained Metal Growthpositive

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

Why it applies: The Indicated contained gold ounces increased by 60% from 2.274 M oz to 3.639 M oz.

Evidence · text

“Indicated Mineral Resource grows 60% in contained ounces”

Cut-off Disclosedpositive

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

Why it applies: Mineral Resources are reported at a cut-off grade of 0.30 g/t gold for all deposits, and sensitivities are provided at 0.55 g/t Au cut-off.

Evidence · text

“Mineral Resources are reported at a cut-off grade of 0.30 g/t gold for all deposits”

Inferred Resourcenegative

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

Why it applies: A significant portion of the resource (4.98 M oz) is in the Inferred category, which is a speculative category with limited geological confidence.

Evidence · text

“Inferred 4.98 M oz of gold (267.2 M tonnes at 0.58 g/t Au )”

Contained Metal Declinenegative

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

Why it applies: The Inferred contained gold ounces decreased from 5.453 M oz to 4.985 M oz.

Evidence · table

“5,453,428”

Context: 280,597,695

Tonnage Declinenegative

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

Why it applies: The Inferred tonnage decreased from 280.6 Mt to 267.2 Mt.

Evidence · table

“280,597,695”

Context: 280,597,695

Grade Declinenegative

Average grade fell below the red-flag bound vs prior estimate — deposit economics worsening. May indicate high-grading in early drilling.

Why it applies: The Inferred grade decreased from 0.604 g/t to 0.580 g/t.

Evidence · table

“0.604”

Context: 280,597,695

Resource Updateneutral

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

Why it applies: The document announces an updated Mineral Resource Estimate for the AurMac Project, building on a previous 2025 MRE.

Evidence · text

“Banyan Expands Indicated and Inferred Mineral Resource Estimate and Improves Grade at AurMac Deposit, Yukon, Canada”

PEA-Supportingneutral

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

Why it applies: This MRE will support the upcoming Preliminary Economic Assessment (PEA) expected in the second half of 2026.

Evidence · text

“This MRE will support the upcoming Preliminary Economic Assessment (" PEA "; expected second half of 2026)”

Extracted facts

Stored fact records: 18. Some facts used in scoring do not have a stored record.

Resource Estimates (18)

indicatedAurMac Project · goldTonnes: 37700000Grade: 0.69Grade Unit: g/tContained Metal: 0.84Contained Unit: m ozView all details
Link to this fact

Identity

Project
AurMac Project
Commodity
gold
Region
canada_yt
Reported Region
Yukon Territory, Canada
Ticker
BYN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras, P.Eng., M.A.Sc., Duncan Mackay, M.Sc., P.Geo.
Resource group id
resource:b2b12e3dbc4809b20463
Deposit or zone
Airstrip

Resource Data

Category
indicated
Tonnes
37700000
Grade
0.69
Grade Unit
g/t
Contained Metal
0.84
Contained Unit
m oz
Cutoff Grade
0.3
Cutoff Unit
g/t Au

Prior Estimate

Resource Date
2026-05-15

Lab

Laboratory
Bureau Veritas

Review

Needs Review
No
Historical
No

Dates

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

Reasoning: The Airstrip deposit contributes significantly to the overall Indicated resource with a good grade and contained ounces, reflecting positive progress.

Positive factors

  • Contained gold ounces for Airstrip Indicated resource are substantial.
  • Grade is moderate for an open-pit gold deposit.

Evidence · table

“0.69”

Context: 37.7

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

indicatedAurMac Project · goldTonnes: 129500000Grade: 0.67Grade Unit: g/tContained Metal: 2.799Contained Unit: m ozView all details
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Identity

Project
AurMac Project
Commodity
gold
Region
canada_yt
Reported Region
Yukon Territory, Canada
Ticker
BYN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras, P.Eng., M.A.Sc., Duncan Mackay, M.Sc., P.Geo.
Resource group id
resource:72da1b1020fabbca5f8e
Deposit or zone
Powerline

Resource Data

Category
indicated
Tonnes
129500000
Grade
0.67
Grade Unit
g/t
Contained Metal
2.799
Contained Unit
m oz
Cutoff Grade
0.3
Cutoff Unit
g/t Au

Prior Estimate

Resource Date
2026-05-15

Lab

Laboratory
Bureau Veritas

Review

Needs Review
No
Historical
No

Dates

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

Reasoning: The Powerline deposit is a major contributor to the Indicated resource, showing substantial growth and improved grade, which is highly positive for the project.

Positive factors

  • Powerline deposit shows strong contained gold ounces in the Indicated category.
  • Grade is moderate for an open-pit gold deposit.
  • Significant increase in contained ounces (68%) and grade (10%) for Powerline Indicated resource.

Evidence · table

“0.67”

Context: 129.5

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off 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

indicatedAurMac Project · goldTonnes: 167300000Grade: 0.68Grade Unit: g/tContained Metal: 3.639Contained Unit: m ozView all details
Link to this fact

Identity

Project
AurMac Project
Commodity
gold
Region
canada_yt
Reported Region
Yukon Territory, Canada
Ticker
BYN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras, P.Eng., M.A.Sc., Duncan Mackay, M.Sc., P.Geo.
Resource group id
resource:5bf1b6033815260fae29
Deposit or zone
Combined

Resource Data

Category
indicated
Tonnes
167300000
Grade
0.68
Grade Unit
g/t
Contained Metal
3.639
Contained Unit
m oz
Cutoff Grade
0.3
Cutoff Unit
g/t Au

Prior Estimate

Resource Date
2026-05-15
Prior Tonnes
112517343
Prior Grade
0.629
Prior Contained Metal
2274397
Prior Cutoff Grade
0.3

Lab

Laboratory
Bureau Veritas

Review

Needs Review
No
Historical
No

Dates

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

Reasoning: The combined Indicated resource demonstrates substantial growth and improved grade, indicating a de-risked and more valuable project for future economic assessments.

Positive factors

  • Overall Indicated resource shows significant growth in contained ounces (60%) and improved grade (8%).
  • High confidence category for future economic studies.

Evidence · table

“0.68”

Context: 167.3

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

Tonnage increase reaching the strong tier vs prior estimate, with grade maintained or improved.

Why it applies: 167300000 against 112517343 previously

Grade Improvementpositive

Average resource grade improved vs prior estimate — better deposit economics.

Why it applies: 0.68 against 0.629 previously

Contained Metal Declinenegative

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

Why it applies: 3.639 against 2274397 previously

Dilutive Growthnegative

Tonnage increased but contained metal flat or down — likely from lower cut-off grade, not geological expansion.

Why it applies: tonnage rose while contained metal went 3.639 from 2274397

inferredAurMac Project · goldTonnes: 15100000Grade: 0.84Grade Unit: g/tContained Metal: 0.405Contained Unit: m ozView all details
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Identity

Project
AurMac Project
Commodity
gold
Region
canada_yt
Reported Region
Yukon Territory, Canada
Ticker
BYN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras, P.Eng., M.A.Sc., Duncan Mackay, M.Sc., P.Geo.
Resource group id
resource:74515eba4db366a82436
Deposit or zone
Airstrip

Resource Data

Category
inferred
Tonnes
15100000
Grade
0.84
Grade Unit
g/t
Contained Metal
0.405
Contained Unit
m oz
Cutoff Grade
0.3
Cutoff Unit
g/t Au

Prior Estimate

Resource Date
2026-05-15

Lab

Laboratory
Bureau Veritas

Review

Needs Review
No
Historical
No

Dates

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

Reasoning: The Airstrip Inferred resource demonstrates significant growth and improved grade, indicating strong exploration potential.

Positive factors

  • Airstrip Inferred resource shows a 65% increase in contained ounces and 11% increase in grade.
  • Grade is good for an open-pit gold deposit.

Evidence · table

“0.84”

Context: 15.1

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

inferredAurMac Project · goldTonnes: 252100000Grade: 0.57Grade Unit: g/tContained Metal: 4.58Contained Unit: m ozView all details
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Identity

Project
AurMac Project
Commodity
gold
Region
canada_yt
Reported Region
Yukon Territory, Canada
Ticker
BYN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras, P.Eng., M.A.Sc., Duncan Mackay, M.Sc., P.Geo.
Resource group id
resource:8bd98fcc2fc599ae5001
Deposit or zone
Powerline

Resource Data

Category
inferred
Tonnes
252100000
Grade
0.57
Grade Unit
g/t
Contained Metal
4.58
Contained Unit
m oz
Cutoff Grade
0.3
Cutoff Unit
g/t Au

Prior Estimate

Resource Date
2026-05-15

Lab

Laboratory
Bureau Veritas

Review

Needs Review
No
Historical
No

Dates

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

Reasoning: The Powerline Inferred resource adds substantial ounces to the project, indicating good exploration potential, though the grade is slightly lower than Airstrip.

Positive factors

  • Powerline Inferred resource contributes significantly to the overall resource base.
  • Grade is moderate for an open-pit gold deposit.

Evidence · table

“0.57”

Context: 252.1

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

inferredAurMac Project · goldTonnes: 267200000Grade: 0.58Grade Unit: g/tContained Metal: 4.985Contained Unit: m ozView all details
Link to this fact

Identity

Project
AurMac Project
Commodity
gold
Region
canada_yt
Reported Region
Yukon Territory, Canada
Ticker
BYN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras, P.Eng., M.A.Sc., Duncan Mackay, M.Sc., P.Geo.
Resource group id
resource:5f4022dc3c1ec0da928f
Deposit or zone
Combined

Resource Data

Category
inferred
Tonnes
267200000
Grade
0.58
Grade Unit
g/t
Contained Metal
4.985
Contained Unit
m oz
Cutoff Grade
0.3
Cutoff Unit
g/t Au

Prior Estimate

Resource Date
2026-05-15
Prior Tonnes
280597695
Prior Grade
0.604
Prior Contained Metal
5453428
Prior Cutoff Grade
0.3

Lab

Laboratory
Bureau Veritas

Review

Needs Review
No
Historical
No

Dates

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

Reasoning: While the Inferred resource contributes to the overall project, the decrease in contained ounces and grade compared to the previous estimate is a minor negative, though the company highlights overall project growth.

Positive factors

  • The combined Inferred resource adds substantial ounces to the project's overall potential.

Negative factors

  • Contained ounces and tonnage for the Inferred category decreased compared to the prior estimate.
  • Grade for the Inferred category decreased compared to the prior estimate.

Evidence · table

“0.58”

Context: 267.2

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: 267200000 against 280597695 previously

Contained Metal Declinenegative

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

Why it applies: 4.985 against 5453428 previously

indicatedAurMac Project · goldTonnes: 17100000Grade: 1.04Grade Unit: g/tContained Metal: 0.572Contained Unit: m ozView all details
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Identity

Project
AurMac Project
Commodity
gold
Region
canada_yt
Reported Region
Yukon Territory, Canada
Ticker
BYN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras, P.Eng., M.A.Sc., Duncan Mackay, M.Sc., P.Geo.
Resource group id
resource:a2852e30ad34944cc10e
Deposit or zone
Airstrip

Resource Data

Category
indicated
Tonnes
17100000
Grade
1.04
Grade Unit
g/t
Contained Metal
0.572
Contained Unit
m oz
Cutoff Grade
0.55
Cutoff Unit
g/t Au

Prior Estimate

Resource Date
2026-05-15

Lab

Laboratory
Bureau Veritas

Review

Needs Review
No
Historical
No

Dates

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

Reasoning: The Airstrip deposit shows a significant high-grade component within the Indicated category, which could positively impact project economics.

Positive factors

  • High-grade Indicated resource at a higher cut-off, indicating potential for selective mining.
  • Grade is strong for an open-pit gold deposit.

Evidence · table

“1.04”

Context: 17.1

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

indicatedAurMac Project · goldTonnes: 58800000Grade: 0.99Grade Unit: g/tContained Metal: 1.876Contained Unit: m ozView all details
Link to this fact

Identity

Project
AurMac Project
Commodity
gold
Region
canada_yt
Reported Region
Yukon Territory, Canada
Ticker
BYN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras, P.Eng., M.A.Sc., Duncan Mackay, M.Sc., P.Geo.
Resource group id
resource:134f3218475b65580d54
Deposit or zone
Powerline

Resource Data

Category
indicated
Tonnes
58800000
Grade
0.99
Grade Unit
g/t
Contained Metal
1.876
Contained Unit
m oz
Cutoff Grade
0.55
Cutoff Unit
g/t Au

Prior Estimate

Resource Date
2026-05-15

Lab

Laboratory
Bureau Veritas

Review

Needs Review
No
Historical
No

Dates

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

Reasoning: The Powerline deposit also demonstrates a significant high-grade component within the Indicated category, contributing to overall project value.

Positive factors

  • High-grade Indicated resource at a higher cut-off, indicating potential for selective mining.
  • Grade is strong for an open-pit gold deposit.

Evidence · table

“0.99”

Context: 58.8

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

indicatedAurMac Project · goldTonnes: 75900000Grade: 1Grade Unit: g/tContained Metal: 2.449Contained Unit: m ozView all details
Link to this fact

Identity

Project
AurMac Project
Commodity
gold
Region
canada_yt
Reported Region
Yukon Territory, Canada
Ticker
BYN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras, P.Eng., M.A.Sc., Duncan Mackay, M.Sc., P.Geo.
Resource group id
resource:4c9225fb812d7360d71e
Deposit or zone
Combined

Resource Data

Category
indicated
Tonnes
75900000
Grade
1
Grade Unit
g/t
Contained Metal
2.449
Contained Unit
m oz
Cutoff Grade
0.55
Cutoff Unit
g/t Au

Prior Estimate

Resource Date
2026-05-15

Lab

Laboratory
Bureau Veritas

Review

Needs Review
No
Historical
No

Dates

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

Reasoning: The combined high-grade Indicated resource demonstrates the potential for robust project economics under a higher cut-off scenario.

Positive factors

  • Combined Indicated resource at a higher cut-off shows a strong grade and contained ounces.
  • Highlights the potential for a higher-grade mining scenario.

Evidence · table

“1.00”

Context: 75.9

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

inferredAurMac Project · goldTonnes: 7000000Grade: 1.33Grade Unit: g/tContained Metal: 0.3Contained Unit: m ozView all details
Link to this fact

Identity

Project
AurMac Project
Commodity
gold
Region
canada_yt
Reported Region
Yukon Territory, Canada
Ticker
BYN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras, P.Eng., M.A.Sc., Duncan Mackay, M.Sc., P.Geo.
Resource group id
resource:c186c51ec31d59f3c34e
Deposit or zone
Airstrip

Resource Data

Category
inferred
Tonnes
7000000
Grade
1.33
Grade Unit
g/t
Contained Metal
0.3
Contained Unit
m oz
Cutoff Grade
0.55
Cutoff Unit
g/t Au

Prior Estimate

Resource Date
2026-05-15

Lab

Laboratory
Bureau Veritas

Review

Needs Review
No
Historical
No

Dates

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

Reasoning: The Airstrip Inferred resource at a higher cut-off demonstrates good potential for future resource conversion and higher-grade mining.

Positive factors

  • High-grade Inferred resource at a higher cut-off, indicating strong exploration potential for higher-grade zones.
  • Grade is strong for an open-pit gold deposit.

Evidence · table

“1.33”

Context: 7.0

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

inferredAurMac Project · goldTonnes: 81100000Grade: 0.928Grade Unit: g/tContained Metal: 2.418Contained Unit: m ozView all details
Link to this fact

Identity

Project
AurMac Project
Commodity
gold
Region
canada_yt
Reported Region
Yukon Territory, Canada
Ticker
BYN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras, P.Eng., M.A.Sc., Duncan Mackay, M.Sc., P.Geo.
Resource group id
resource:9b27e2f76da28dcbe319
Deposit or zone
Powerline

Resource Data

Category
inferred
Tonnes
81100000
Grade
0.928
Grade Unit
g/t
Contained Metal
2.418
Contained Unit
m oz
Cutoff Grade
0.55
Cutoff Unit
g/t Au

Prior Estimate

Resource Date
2026-05-15

Lab

Laboratory
Bureau Veritas

Review

Needs Review
No
Historical
No

Dates

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

Reasoning: The Powerline Inferred resource at a higher cut-off also shows good potential for future resource conversion and higher-grade mining.

Positive factors

  • High-grade Inferred resource at a higher cut-off, indicating strong exploration potential for higher-grade zones.
  • Grade is strong for an open-pit gold deposit.

Evidence · table

“0.928”

Context: 81.1

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

inferredAurMac Project · goldTonnes: 88100000Grade: 0.96Grade Unit: g/tContained Metal: 2.718Contained Unit: m ozView all details
Link to this fact

Identity

Project
AurMac Project
Commodity
gold
Region
canada_yt
Reported Region
Yukon Territory, Canada
Ticker
BYN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras, P.Eng., M.A.Sc., Duncan Mackay, M.Sc., P.Geo.
Resource group id
resource:def58bc582a710d9e391
Deposit or zone
Combined

Resource Data

Category
inferred
Tonnes
88100000
Grade
0.96
Grade Unit
g/t
Contained Metal
2.718
Contained Unit
m oz
Cutoff Grade
0.55
Cutoff Unit
g/t Au

Prior Estimate

Resource Date
2026-05-15

Lab

Laboratory
Bureau Veritas

Review

Needs Review
No
Historical
No

Dates

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

Reasoning: The combined high-grade Inferred resource provides further upside potential for the project, supporting future resource conversion efforts.

Positive factors

  • Combined Inferred resource at a higher cut-off shows good grade and contained ounces.
  • Highlights the potential for a higher-grade mining scenario in the Inferred category.

Evidence · table

“0.96”

Context: 88.1

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

indicatedAurMac Project · goldTonnes: 112517343Grade: 0.629Grade Unit: g/tContained Metal: 2274397Contained Unit: ozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
AurMac Project
Commodity
gold
Region
canada_yt
Reported Region
Yukon Territory, Canada
Ticker
BYN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras, P.Eng., M.A.Sc., Duncan Mackay, M.Sc., P.Geo.
Resource group id
resource:2acc83b89a865c5023cd
Deposit or zone
Combined

Resource Data

Category
indicated
Tonnes
112517343
Grade
0.629
Grade Unit
g/t
Contained Metal
2274397
Contained Unit
oz
Cutoff Grade
0.3
Cutoff Unit
g/t Au

Prior Estimate

Resource Date
2025-06-28

Lab

Laboratory
Bureau Veritas

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-06-28T00:00:00.000Z

Dates

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

Reasoning: This is a historical estimate provided for comparison, showing the previous Indicated resource for the project.

Evidence · table

“0.629”

Context: 112,517,343

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

inferredAurMac Project · goldTonnes: 280597695Grade: 0.604Grade Unit: g/tContained Metal: 5453428Contained Unit: ozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
AurMac Project
Commodity
gold
Region
canada_yt
Reported Region
Yukon Territory, Canada
Ticker
BYN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras, P.Eng., M.A.Sc., Duncan Mackay, M.Sc., P.Geo.
Resource group id
resource:758560723def65c49d17
Deposit or zone
Combined

Resource Data

Category
inferred
Tonnes
280597695
Grade
0.604
Grade Unit
g/t
Contained Metal
5453428
Contained Unit
oz
Cutoff Grade
0.3
Cutoff Unit
g/t Au

Prior Estimate

Resource Date
2025-06-28

Lab

Laboratory
Bureau Veritas

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-06-28T00:00:00.000Z

Dates

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

Reasoning: This is a historical estimate provided for comparison, showing the previous Inferred resource for the project.

Evidence · table

“0.604”

Context: 280,597,695

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

indicatedHyland Gold Project · goldTonnes: 11300000Grade: 0.93Grade Unit: g/tContained Metal: 337000Contained Unit: ozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Hyland Gold Project
Commodity
gold
Region
canada_yt
Reported Region
Yukon Territory, Canada
Ticker
BYN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras, P.Eng., M.A.Sc., Duncan Mackay, M.Sc., P.Geo.
Resource group id
resource:dfecc3cf437056fd6dfd

Resource Data

Category
indicated
Tonnes
11300000
Grade
0.93
Grade Unit
g/t
Contained Metal
337000
Contained Unit
oz

Prior Estimate

Resource Date
2025-09-01

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-10-27T00:00:00.000Z

Dates

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

Reasoning: This is a historical Indicated resource estimate for a secondary project, not the focus of the current announcement.

Evidence · text

“337 thousand (" K ") ‎ounces (" oz ") of gold (" Au ") and 2.63 million (" M ") oz of silver (" Ag ") (11.3 M tonnes at 0.93 g/t Au and 7.27 g/t Ag)”

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

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

indicatedHyland Gold Project · silverTonnes: 11300000Grade: 7.27Grade Unit: g/tContained Metal: 2.63Contained Unit: m ozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Hyland Gold Project
Commodity
silver
Region
canada_yt
Reported Region
Yukon Territory, Canada
Ticker
BYN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras, P.Eng., M.A.Sc., Duncan Mackay, M.Sc., P.Geo.
Resource group id
resource:dfecc3cf437056fd6dfd

Resource Data

Category
indicated
Tonnes
11300000
Grade
7.27
Grade Unit
g/t
Contained Metal
2.63
Contained Unit
m oz

Prior Estimate

Resource Date
2025-09-01

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-10-27T00:00:00.000Z

Dates

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

Reasoning: This is a historical Indicated resource estimate for a secondary project, not the focus of the current announcement.

Evidence · text

“337 thousand (" K ") ‎ounces (" oz ") of gold (" Au ") and 2.63 million (" M ") oz of silver (" Ag ") (11.3 M tonnes at 0.93 g/t Au and 7.27 g/t Ag)”

Tags used in scoring

Indicated Resourcepositive

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

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

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

inferredHyland Gold Project · goldTonnes: 3900000Grade: 0.95Grade Unit: g/tContained Metal: 118Contained Unit: kozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Hyland Gold Project
Commodity
gold
Region
canada_yt
Reported Region
Yukon Territory, Canada
Ticker
BYN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras, P.Eng., M.A.Sc., Duncan Mackay, M.Sc., P.Geo.
Resource group id
resource:e43a054818627f55608d

Resource Data

Category
inferred
Tonnes
3900000
Grade
0.95
Grade Unit
g/t
Contained Metal
118
Contained Unit
koz

Prior Estimate

Resource Date
2025-09-01

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-10-27T00:00:00.000Z

Dates

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

Reasoning: This is a historical Inferred resource estimate for a secondary project, not the focus of the current announcement.

Evidence · text

“Inferred Mineral Resource of 118 Koz of Au and 0.86 Moz Ag (3.9 M tonnes at 0.95 g/t Au and 6.94 g/t Ag)”

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

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

inferredHyland Gold Project · silverTonnes: 3900000Grade: 6.94Grade Unit: g/tContained Metal: 0.86Contained Unit: m ozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Hyland Gold Project
Commodity
silver
Region
canada_yt
Reported Region
Yukon Territory, Canada
Ticker
BYN

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Marc Jutras, P.Eng., M.A.Sc., Duncan Mackay, M.Sc., P.Geo.
Resource group id
resource:e43a054818627f55608d

Resource Data

Category
inferred
Tonnes
3900000
Grade
6.94
Grade Unit
g/t
Contained Metal
0.86
Contained Unit
m oz

Prior Estimate

Resource Date
2025-09-01

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-10-27T00:00:00.000Z

Dates

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

Reasoning: This is a historical Inferred resource estimate for a secondary project, not the focus of the current announcement.

Evidence · text

“Inferred Mineral Resource of 118 Koz of Au and 0.86 Moz Ag (3.9 M tonnes at 0.95 g/t Au and 6.94 g/t Ag)”

Tags used in scoring

Inferred Resourcenegative

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

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

QP/CP Signedpositive

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

Why it applies: qp_signed is true

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

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.