ONGold Announces Updated Mineral Resource Estimate for the Monument Bay Gold Project, Manitoba

Original announcement by newsfile on

Company
ONGold Resources Ltd.
Ticker
ONAU
Exchange
Unavailable
Region
Manitoba
Primary commodity
Gold
Secondary commodities
Tungsten
Document categories
Resource update, Drill results
Extracted
2026-09-14 11:48:01 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

ONGold has announced an updated Mineral Resource Estimate for the Monument Bay Gold Project in Manitoba, totaling 98.85 million tonnes of gold at 0.76 g/t Au (combined M&I and Inferred). The update features a strong Measured and Indicated component of 2.0 million ounces and highlights new tungsten assay results from historical samples within high-grade gold zones.

Reasoning: The update provides a significant 2.0 Moz M&I gold resource with high confidence (80% M&I) and identifies a secondary tungsten opportunity.

Positive factors

  • Substantial M&I resource of 2.0 Moz gold
  • High M&I percentage (80%)
  • Identification of tungsten potential in high-grade gold domains
  • Expansion potential identified below and beyond current pit shell

Negative factors

  • Tungsten not included in current MRE

Facts used in scoring: 9

Classification and evidence

NI 43-101 Compliantpositive

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

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

Evidence · text

“in accordance with... National Instrument 43-101”

Bonanza Interceptpositive

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

Why it applies: 22.30 g/t Au is exceptionally high grade for the deposit context.

Evidence · table

“22.30”

Context: 0.65

Inferred Resourcenegative

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

Why it applies: The release reports 24.46 million tonnes of Inferred Mineral Resources.

Evidence · text

“Inferred Mineral Resources: 24.46 million tonnes at 0.62 g/t Au”

Extracted facts

Stored fact records: 9. Some facts used in scoring do not have a stored record.

Drill Results (2)

Fact 1goldGrade: 22.3Grade Unit: g/tIntercept: 0.65 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Commodity
gold
Region
canada_mb
Reported Region
canada_mb
Ticker
ONAU

Geometry

Grade
22.3
Grade Unit
g/t
Intercept
0.65 m
From
144.9 m
To
145.55 m
Intercept Depth
144.9 m

Classification

Sample Type
drill
Group ID
TL-20-703:144.9-145.55

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-14T00:00:00.000Z

Reasoning: Very high grade gold intercept in a historical sample.

Positive factors

  • Bonanza grade intercept

Evidence · table

“22.30”

Context: 0.65

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Fact 2tungstenGrade: 2700Grade Unit: ppmIntercept: 0.65 mNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Commodity
tungsten
Region
canada_mb
Reported Region
canada_mb
Ticker
ONAU

Geometry

Grade
2700
Grade Unit
ppm
Intercept
0.65 m
From
144.9 m
To
145.55 m
Intercept Depth
144.9 m

Classification

Sample Type
drill
Group ID
TL-20-703:144.9-145.55

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-14T00:00:00.000Z

Reasoning: High tungsten grade in a historical sample, supporting tungsten potential.

Positive factors

  • Significant tungsten grade coincident with high-grade gold

Evidence · table

“2,700”

Context: 0.65

Tags used in scoring

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: qaqc_disclosed is true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Resource Estimates (7)

measuredMonument Bay Gold Project · goldTonnes: 18859000Grade: 1Grade Unit: g/tContained Metal: 606Contained Unit: kozView all details
Link to this fact

Identity

Project
Monument Bay Gold Project
Commodity
gold
Region
canada_mb
Reported Region
Manitoba
Ticker
ONAU

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Souvik Banerjee
Resource group id
resource:52ec4e7828a87fdee049
Deposit or zone
Monument Bay
Mining method
open_pit

Resource Data

Category
measured
Tonnes
18859000
Grade
1
Grade Unit
g/t
Contained Metal
606
Contained Unit
koz
Cutoff Grade
0.2
Cutoff Unit
g/t Au

Prior Estimate

Resource Date
2026-07-31

Lab

Laboratory
Actlabs

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-14T00:00:00.000Z

Reasoning: Measured resource component of a significant gold project.

Positive factors

  • High grade for measured category

Evidence · table

“1.00”

Context: 18,859

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

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

indicatedMonument Bay Gold Project · goldTonnes: 55531000Grade: 0.79Grade Unit: g/tContained Metal: 1403Contained Unit: kozView all details
Link to this fact

Identity

Project
Monument Bay Gold Project
Commodity
gold
Region
canada_mb
Reported Region
Manitoba
Ticker
ONAU

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Souvik Banerjee
Resource group id
resource:eb815c5b46105566c330
Deposit or zone
Monument Bay
Mining method
open_pit

Resource Data

Category
indicated
Tonnes
55531000
Grade
0.79
Grade Unit
g/t
Contained Metal
1403
Contained Unit
koz
Cutoff Grade
0.2
Cutoff Unit
g/t Au

Prior Estimate

Resource Date
2026-07-31

Lab

Laboratory
Actlabs

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-14T00:00:00.000Z

Reasoning: Indicated resource component contributing to the 2.0 Moz M&I total.

Positive factors

  • Large indicated tonnage

Evidence · table

“0.79”

Context: 55,531

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

inferredMonument Bay Gold Project · goldTonnes: 24456000Grade: 0.62Grade Unit: g/tContained Metal: 491Contained Unit: kozView all details
Link to this fact

Identity

Project
Monument Bay Gold Project
Commodity
gold
Region
canada_mb
Reported Region
Manitoba
Ticker
ONAU

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Souvik Banerjee
Resource group id
resource:8778ddceefc4593779a5
Deposit or zone
Monument Bay
Mining method
open_pit

Resource Data

Category
inferred
Tonnes
24456000
Grade
0.62
Grade Unit
g/t
Contained Metal
491
Contained Unit
koz
Cutoff Grade
0.2
Cutoff Unit
g/t Au

Prior Estimate

Resource Date
2026-07-31

Lab

Laboratory
Actlabs

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-14T00:00:00.000Z

Reasoning: Inferred resource component providing additional upside.

Positive factors

  • Adds significant ounces to the project

Negative factors

  • Speculative category

Evidence · table

“0.62”

Context: 24,456

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

measuredMineral Resource Statement for the Monument Bay · goldTonnes: 18859000Grade: 1Grade Unit: g/tContained Metal: 606Contained Unit: kozView all details
Link to this fact

Identity

Project
Mineral Resource Statement for the Monument Bay
Commodity
gold
Ticker
ONAU

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
Resource group id
resource:a783cf5da0c84e3a7fbd
Mining method
open_pit

Resource Data

Category
measured
Tonnes
18859000
Grade
1
Grade Unit
g/t
Contained Metal
606
Contained Unit
koz

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-14T00:00:00.000Z

Reasoning: Expanded from multi-commodity resource table for completeness.

Negative factors

  • Fact expanded from resource table columns (model omitted this commodity).

Evidence · table

“1.00”

Context: 18,859

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

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

indicatedMineral Resource Statement for the Monument Bay · goldTonnes: 55531000Grade: 0.79Grade Unit: g/tContained Metal: 1403Contained Unit: kozView all details
Link to this fact

Identity

Project
Mineral Resource Statement for the Monument Bay
Commodity
gold
Ticker
ONAU

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
Resource group id
resource:7906b5e3871be4628fd7
Mining method
open_pit

Resource Data

Category
indicated
Tonnes
55531000
Grade
0.79
Grade Unit
g/t
Contained Metal
1403
Contained Unit
koz

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-14T00:00:00.000Z

Reasoning: Expanded from multi-commodity resource table for completeness.

Negative factors

  • Fact expanded from resource table columns (model omitted this commodity).

Evidence · table

“0.79”

Context: 55,531

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

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

indicatedMineral Resource Statement for the Monument Bay · goldTonnes: 74390000Grade: 0.84Grade Unit: g/tContained Metal: 2009Contained Unit: kozView all details
Link to this fact

Identity

Project
Mineral Resource Statement for the Monument Bay
Commodity
gold
Ticker
ONAU

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
Resource group id
resource:d6ae3f68ed2eae941b47
Mining method
open_pit

Resource Data

Category
indicated
Tonnes
74390000
Grade
0.84
Grade Unit
g/t
Contained Metal
2009
Contained Unit
koz

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-14T00:00:00.000Z

Reasoning: Expanded from multi-commodity resource table for completeness.

Negative factors

  • Fact expanded from resource table columns (model omitted this commodity).

Evidence · table

“0.84”

Context: 74,390

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

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

inferredMineral Resource Statement for the Monument Bay · goldTonnes: 24456000Grade: 0.62Grade Unit: g/tContained Metal: 491Contained Unit: kozView all details
Link to this fact

Identity

Project
Mineral Resource Statement for the Monument Bay
Commodity
gold
Ticker
ONAU

Resource scope

Estimate type
resource
Reporting standards
ni_43_101
Resource group id
resource:6bbfdd440cf209792904
Mining method
open_pit

Resource Data

Category
inferred
Tonnes
24456000
Grade
0.62
Grade Unit
g/t
Contained Metal
491
Contained Unit
koz

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-14T00:00:00.000Z

Reasoning: Expanded from multi-commodity resource table for completeness.

Negative factors

  • Fact expanded from resource table columns (model omitted this commodity).

Evidence · table

“0.62”

Context: 24,456

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

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.