ONGold Announces Updated Mineral Resource Estimate for the Monument Bay Gold Project, Manitoba
Original announcement by orestocks on
- Company
- ONGold Resources Ltd.
- Ticker
- ONAU.V
- Exchange
- Unavailable
- Region
- Manitoba
- Primary commodity
- Gold
- Secondary commodities
- Tungsten
- Document categories
- Resource update
- Extracted
- 2026-09-14 11:47:43 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
ONGold Resources Ltd. announced an updated Mineral Resource Estimate for its Monument Bay Gold Project in Manitoba, effective July 31, 2026. The estimate outlines 74.39 million tonnes at 0.84 g/t Au for 2.0 million ounces of gold in the Measured and Indicated categories, with an additional 24.46 million tonnes at 0.62 g/t Au for 0.49 million ounces in the Inferred category. The resource is open-pit constrained, reported above a 0.20 g/t Au cut-off, and incorporates a revised geological model, with 80% of contained gold in higher confidence categories.
Reasoning: ONGold announced a significant updated Mineral Resource Estimate for its Monument Bay Gold Project, establishing a substantial 2.0 million ounce gold resource in the Measured and Indicated categories with high confidence, supported by a robust geological model and NI 43-101 compliance, although the high gold price assumption warrants caution.
Positive factors
- Updated MRE establishes a substantial open-pit constrained gold resource of 2.0 million ounces in Measured and Indicated categories.
- High confidence in the resource, with approximately 80% of contained gold classified as Measured and Indicated.
- Estimate prepared by SRK Consulting and is NI 43-101 compliant with QP sign-off.
- Updated geological model and structural interpretation improve understanding of mineralization controls.
- Potential for future resource expansion as the deposit remains open at depth and along strike.
- Tungsten identified as an under-evaluated critical mineral opportunity with potential for future resource evaluation.
Negative factors
- The conceptual pit shell and cut-off grade use a high gold price assumption of US$3,000 per ounce, which may be considered aggressive.
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 8
Classification and evidence
High M&I Percentagepositive · Story-specific tag
No canonical definition is currently available.
Why it applies: Approximately 80% of the contained gold in the 2026 MRE is classified as Measured and Indicated, indicating high confidence in the resource.
Evidence · text
“Approximately 80% of the contained gold in the 2026 MRE is classified as Measured and Indicated.”
Potential for Tungstenpositive · Story-specific tag
No canonical definition is currently available.
Why it applies: Tungsten was not included in the 2026 MRE but is highlighted as an important additional exploration opportunity with recent work improving understanding of its distribution and association with gold.
Evidence · text
“While tungsten was not included in the 2026 MRE, ONGold's recent re-logging, infill sampling and pulp re-analysis program substantially improved the tungsten database and supports further evaluation of tungsten distribution, geological controls and its association with higher-grade gold mineralization.”
Open at Depthpositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The updated geological interpretation identified priority areas for additional resource drilling as the deposit remains open at depth.
Evidence · text
“The updated geological interpretation has greatly improved our understanding of the structural controls on mineralization and identified priority areas for additional resource drilling as the deposit remains open at depth.”
QA/QC Disclosedpositive · Story-specific tag
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The document includes a detailed section on 'Sampling, QA/QC and Analytical Methods', outlining procedures for blanks, standards, duplicates, and certified laboratories.
Evidence · text
“Quality assurance and quality control ("QA/QC") procedures were implemented to ensure all work is conducted in accordance with best practices.”
Certified Labpositive · Story-specific tag
No canonical definition is currently available.
Why it applies: Actlabs in Thunder Bay, Ontario, the primary analytical laboratory, is accredited to ISO/IEC 17025 and operates under an ISO 9001-certified quality management system.
Evidence · text
“Actlabs' Thunder Bay facility is accredited to ISO/IEC 17025 and operates under an ISO 9001-certified quality management system.”
Extracted facts
Stored fact records: 8. Some facts used in scoring do not have a stored record.
Resource Estimates (8)
measuredMonument Bay Gold Project · goldTonnes: 18859000Grade: 1Grade Unit: g/tContained Metal: 606000Contained Unit: ozView all detailsHide details
Identity
- Project
- Monument Bay Gold Project
- Commodity
- gold
- Region
- canada_mb
- Reported Region
- Manitoba
- Ticker
- ONAU.V
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Souvik Banerjee, P.Geo.
- Resource group id
- resource:349f7fe3ce86a0212027
- Mining method
- open_pit
Resource Data
- Category
- measured
- Tonnes
- 18859000
- Grade
- 1
- Grade Unit
- g/t
- Contained Metal
- 606000
- Contained Unit
- oz
- Cutoff Grade
- 0.2
- Cutoff Unit
- g/t Au
Prior Estimate
- Resource Date
- 2026-07-31
Lab
- Laboratory
- Actlabs
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-14T00:00:00.000Z
Reasoning: The Measured resource of 606 koz gold contributes significantly to the overall high-confidence resource, reflecting strong geological understanding and compliance with industry standards, though the high gold price assumption is a consideration.
Positive factors
- Significant Measured resource of 606 koz gold, representing the highest confidence category.
- Part of a substantial 2.0 Moz M&I resource, indicating strong geological confidence.
- Estimate prepared to NI 43-101 standards by SRK Consulting with QP sign-off.
Negative factors
- The conceptual pit shell uses a high gold price assumption of US$3,000/oz.
Evidence · table
“1.00”
Context: 18,859
indicatedMonument Bay Gold Project · goldTonnes: 55531000Grade: 0.79Grade Unit: g/tContained Metal: 1403000Contained Unit: ozView all detailsHide details
Identity
- Project
- Monument Bay Gold Project
- Commodity
- gold
- Region
- canada_mb
- Reported Region
- Manitoba
- Ticker
- ONAU.V
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Souvik Banerjee, P.Geo.
- Resource group id
- resource:a4aafd0eec554da2bffc
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 55531000
- Grade
- 0.79
- Grade Unit
- g/t
- Contained Metal
- 1403000
- Contained Unit
- oz
- Cutoff Grade
- 0.2
- Cutoff Unit
- g/t Au
Prior Estimate
- Resource Date
- 2026-07-31
Lab
- Laboratory
- Actlabs
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-14T00:00:00.000Z
Reasoning: The Indicated resource of 1.403 million ounces gold is a key component of the project's substantial M&I resource, demonstrating strong geological confidence and compliance with reporting standards, though the high gold price assumption is a notable factor.
Positive factors
- Substantial Indicated resource of 1.403 million ounces gold, forming the majority of the M&I resource.
- High M&I percentage (80%) for the overall resource indicates good geological confidence.
- Estimate prepared to NI 43-101 standards by SRK Consulting with QP sign-off.
Negative factors
- The conceptual pit shell uses a high gold price assumption of US$3,000/oz.
Evidence · table
“0.79”
Context: 55,531
indicatedMonument Bay Gold Project · goldTonnes: 74390000Grade: 0.84Grade Unit: g/tContained Metal: 2009000Contained Unit: ozView all detailsHide details
Identity
- Project
- Monument Bay Gold Project
- Commodity
- gold
- Region
- canada_mb
- Reported Region
- Manitoba
- Ticker
- ONAU.V
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Souvik Banerjee, P.Geo.
- Resource group id
- resource:6f01fd8e1cc3e8006c22
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 74390000
- Grade
- 0.84
- Grade Unit
- g/t
- Contained Metal
- 2009000
- Contained Unit
- oz
- Cutoff Grade
- 0.2
- Cutoff Unit
- g/t Au
Prior Estimate
- Resource Date
- 2026-07-31
Lab
- Laboratory
- Actlabs
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-14T00:00:00.000Z
Reasoning: The combined Measured and Indicated resource of 2.0 million ounces gold represents a significant and high-confidence asset for the project, adhering to industry reporting standards, though the high gold price assumption is a key consideration.
Positive factors
- Substantial Measured and Indicated resource of 2.0 million ounces gold, establishing a strong foundation for the project.
- High M&I percentage (80%) of contained gold indicates robust geological confidence.
- Estimate prepared to NI 43-101 standards by SRK Consulting with QP sign-off.
Negative factors
- The conceptual pit shell uses a high gold price assumption of US$3,000/oz.
Evidence · table
“0.84”
Context: 74,390
inferredMonument Bay Gold Project · goldTonnes: 24456000Grade: 0.62Grade Unit: g/tContained Metal: 491000Contained Unit: ozView all detailsHide details
Identity
- Project
- Monument Bay Gold Project
- Commodity
- gold
- Region
- canada_mb
- Reported Region
- Manitoba
- Ticker
- ONAU.V
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Souvik Banerjee, P.Geo.
- Resource group id
- resource:e1707e46963cf69fe38e
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 24456000
- Grade
- 0.62
- Grade Unit
- g/t
- Contained Metal
- 491000
- Contained Unit
- oz
- Cutoff Grade
- 0.2
- Cutoff Unit
- g/t Au
Prior Estimate
- Resource Date
- 2026-07-31
Lab
- Laboratory
- Actlabs
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-14T00:00:00.000Z
Reasoning: The Inferred resource of 0.49 million ounces gold provides additional potential for the project, adhering to NI 43-101 standards, but its lower confidence category and the high gold price assumption require further de-risking.
Positive factors
- Adds 0.49 million ounces of gold to the overall resource base, indicating further potential.
- Estimate prepared to NI 43-101 standards by SRK Consulting with QP sign-off.
- Identified areas for follow-up drilling to potentially upgrade Inferred resources.
Negative factors
- Inferred category has lower geological confidence and cannot support economic studies alone.
- The conceptual pit shell uses a high gold price assumption of US$3,000/oz.
Evidence · table
“0.62”
Context: 24,456
measuredMineral Resource Statement for the Monument Bay · goldTonnes: 18859000Grade: 1Grade Unit: g/tContained Metal: 606Contained Unit: kozView all detailsHide details
Identity
- Project
- Mineral Resource Statement for the Monument Bay
- Commodity
- gold
- Ticker
- ONAU.V
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 detailsHide details
Identity
- Project
- Mineral Resource Statement for the Monument Bay
- Commodity
- gold
- Ticker
- ONAU.V
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 detailsHide details
Identity
- Project
- Mineral Resource Statement for the Monument Bay
- Commodity
- gold
- Ticker
- ONAU.V
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 detailsHide details
Identity
- Project
- Mineral Resource Statement for the Monument Bay
- Commodity
- gold
- Ticker
- ONAU.V
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.