# Moon River Moly Announces Robust Updated Positive Preliminary Economic Assessment of Davidson Molybdenum-Copper-Tungsten Project Demonstrating Improved Economics Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/moon-river-moly-announces-robust-updated-positive-preliminary-economic-assessmen--a7667414-ddc0-4973-9af2-9ea1f56d5367 Original source: https://money.tmx.com/en/quote/MOO/news/7962901068597077/moon-river-moly-announces-robust-updated-positive-preliminary-economic-assessmen Publisher: tmx Original announcement: 2025-12-23T12:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Moon River Moly Ltd. - Ticker: MOO - Exchange: TSX - Region: British Columbia - Primary commodity: Molybdenum - Secondary commodities: Copper, Tungsten - Document categories: Resource update, Economic study, Metallurgy - Extracted: 2026-09-18 11:06:54 UTC Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas summary Moon River Moly announced an updated Preliminary Economic Assessment \(PEA\) for its Davidson Molybdenum-Copper-Tungsten Project in British Columbia, demonstrating improved economics. The PEA outlines an after-tax NPV of $1.034 billion and an IRR of 32% at an 8% discount rate, based on a 20-year mine life and 10,000 tonnes per day throughput. The project features an underground mine and processing plant with dry stacked tailings, aiming for a low carbon footprint, and benefits from its Tier 1 jurisdiction and inclusion of copper and tungsten by-product revenues. Reasoning: The updated PEA for the Davidson Molybdenum-Copper-Tungsten Project presents robust economics with high NPV and IRR, a long mine life, and environmental benefits, situated in a favorable jurisdiction. However, it is a preliminary study with inherent uncertainties and includes inferred resources in the economic analysis for tungsten. - Positive factor: Strong after-tax NPV and IRR for a PEA-stage project. - Positive factor: Long mine life of 20 years with potential for 120 years from M&I resources. - Positive factor: Located in a Tier 1 jurisdiction \(British Columbia\) with existing infrastructure. - Positive factor: Underground mine and processing plant, with dry stacked tailings, minimizing environmental footprint and carbon emissions. - Positive factor: Inclusion of copper and tungsten by-product revenues significantly improves economics. - Positive factor: Conservative pricing assumptions based on 3-year trailing averages. - Negative factor: Preliminary Economic Assessment \(PEA\) stage, which has a high level of uncertainty \(±40% accuracy\). - Negative factor: Economic analysis includes inferred mineral resources for tungsten, which are geologically speculative. - Negative factor: The PEA mine plan uses a diluted mineral resource of 72.074 Mt, which is less than the M&I resource at the stated cut-off, creating some ambiguity regarding resource utilization. Low confidence — this extraction should be reviewed alongside the original source. Facts used in scoring: 13 ## Classification and evidence **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: A current resource fact retains the disclosed cut-off grade **Mill Route** Polarity: neutral Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\). Why it applies: the document describes a flotation route \("flotation"\) **Gravity Route** Polarity: neutral Definition: Gravity separation forms a material part of the flowsheet. Why it applies: the document describes a gravity route \("gravity"\) ## Extracted facts Stored fact records: 12. Some facts used in scoring do not have a stored record. ## Resource Estimates (9) ### measured [Link to this fact](https://atlas-extractions.minestarters.com/news/moon-river-moly-announces-robust-updated-positive-preliminary-economic-assessmen--a7667414-ddc0-4973-9af2-9ea1f56d5367#fact-resource-facts-4) Davidson Property · molybdenum #### Identity - Project: Davidson Property - Commodity: molybdenum - Region: canada\_bc - Reported Region: British Columbia - Ticker: MOO #### Resource scope - Estimate type: resource - Effective date: 2025-12-23T00:00:00.000Z - Reporting standards: ni\_43\_101, other - QP Signed: Yes - Qualified person names: F. Bakker - Resource group id: resource:458cacce6055c2bedca8 - Mining method: underground #### Resource Data - Category: measured - Tonnes: 128457000 - Grade: 0.122 - Grade Unit: %Mo - Contained Metal: 156354000 - Contained Unit: kg - Cutoff Grade: 0.1 - Cutoff Unit: %MoS2 #### Prior Estimate - Resource Date: 2025-12-23 #### Location - Loc. Confidence: inferred #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2025-12-23T00:00:00.000Z Reasoning: The Measured resource for molybdenum is substantial and reported with high confidence, contributing significantly to the project's overall value. - Positive factor: Large Measured resource of 128.46 Mt at 0.122% Mo, indicating high geological confidence. - Positive factor: Resource estimate is compliant with NI 43-101 and CIM standards, and signed off by a QP. Evidence · table > 0.122 Context: 128,457,000 #### Tags used in scoring **Measured Resource** Polarity: positive Definition: Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves. Why it applies: The resource is classified as Measured, representing the highest confidence category. Evidence · table > Measured Context: 128,457,000 **QP/CP Signed** Polarity: positive Definition: 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 resource calculation was reviewed and approved by F. Bakker P.Geo., a Qualified Person. Evidence · text > The data used to generate the resource calculation was reviewed and approved by F. Bakker P.Geo. **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: The resource estimate was prepared using CIM Standards and is compliant with NI 43-101. Evidence · text > Mineral Resources were estimated using the CIM Standards on Mineral Resources and Reserves, Definitions and Guidelines prepared by the CIM Standing Committee on Reserve Definitions and adopted by the CIM Council. **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: This is an updated resource estimate, recalculated to include copper and tungsten values. Evidence · text > The mineral resource estimate has been recalculated to include both copper and tungsten values in the Davidson Property and is included in the updated PEA. **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ### measured [Link to this fact](https://atlas-extractions.minestarters.com/news/moon-river-moly-announces-robust-updated-positive-preliminary-economic-assessmen--a7667414-ddc0-4973-9af2-9ea1f56d5367#fact-resource-facts-5) Davidson Property · copper #### Identity - Project: Davidson Property - Commodity: copper - Region: canada\_bc - Reported Region: British Columbia - Ticker: MOO #### Resource scope - Estimate type: resource - Effective date: 2025-12-23T00:00:00.000Z - Reporting standards: ni\_43\_101, other - QP Signed: Yes - Qualified person names: F. Bakker - Resource group id: resource:458cacce6055c2bedca8 - Mining method: underground #### Resource Data - Category: measured - Tonnes: 128457000 - Grade: 0.036 - Grade Unit: % - Contained Metal: 46630000 - Contained Unit: kg - Cutoff Grade: 0.1 - Cutoff Unit: %MoS2 #### Prior Estimate - Resource Date: 2025-12-23 #### Location - Loc. Confidence: inferred #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2025-12-23T00:00:00.000Z Reasoning: The Measured resource for copper adds value as a by-product and is reported with high confidence. - Positive factor: Large Measured resource of 128.46 Mt at 0.036% Cu, providing a significant by-product credit. - Positive factor: Resource estimate is compliant with NI 43-101 and CIM standards, and signed off by a QP. Evidence · table > 0.036 Context: 128,457,000 #### Tags used in scoring **Measured Resource** Polarity: positive Definition: Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves. Why it applies: The resource is classified as Measured, representing the highest confidence category. Evidence · table > Measured Context: 128,457,000 **QP/CP Signed** Polarity: positive Definition: 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 resource calculation was reviewed and approved by F. Bakker P.Geo., a Qualified Person. Evidence · text > The data used to generate the resource calculation was reviewed and approved by F. Bakker P.Geo. **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: The resource estimate was prepared using CIM Standards and is compliant with NI 43-101. Evidence · text > Mineral Resources were estimated using the CIM Standards on Mineral Resources and Reserves, Definitions and Guidelines prepared by the CIM Standing Committee on Reserve Definitions and adopted by the CIM Council. **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: This is an updated resource estimate, recalculated to include copper and tungsten values. Evidence · text > The mineral resource estimate has been recalculated to include both copper and tungsten values in the Davidson Property and is included in the updated PEA. **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ### indicated [Link to this fact](https://atlas-extractions.minestarters.com/news/moon-river-moly-announces-robust-updated-positive-preliminary-economic-assessmen--a7667414-ddc0-4973-9af2-9ea1f56d5367#fact-resource-facts-6) Davidson Property · molybdenum #### Identity - Project: Davidson Property - Commodity: molybdenum - Region: canada\_bc - Reported Region: British Columbia - Ticker: MOO #### Resource scope - Estimate type: resource - Effective date: 2025-12-23T00:00:00.000Z - Reporting standards: ni\_43\_101, other - QP Signed: Yes - Qualified person names: F. Bakker - Resource group id: resource:cc7a55d02d4f1b70669a - Mining method: underground #### Resource Data - Category: indicated - Tonnes: 360595000 - Grade: 0.095 - Grade Unit: %Mo - Contained Metal: 343434000 - Contained Unit: kg - Cutoff Grade: 0.1 - Cutoff Unit: %MoS2 #### Prior Estimate - Resource Date: 2025-12-23 #### Location - Loc. Confidence: inferred #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2025-12-23T00:00:00.000Z Reasoning: The Indicated resource for molybdenum is significant and reported with good confidence, supporting the project's long-term potential. - Positive factor: Large Indicated resource of 360.60 Mt at 0.095% Mo, providing a substantial base for future studies. - Positive factor: Resource estimate is compliant with NI 43-101 and CIM standards, and signed off by a QP. Evidence · table > 0.095 Context: 360,595,000 #### Tags used in scoring **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: The resource is classified as Indicated, providing reasonable geological confidence. Evidence · table > Indicated Context: 360,595,000 **QP/CP Signed** Polarity: positive Definition: 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 resource calculation was reviewed and approved by F. Bakker P.Geo., a Qualified Person. Evidence · text > The data used to generate the resource calculation was reviewed and approved by F. Bakker P.Geo. **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: The resource estimate was prepared using CIM Standards and is compliant with NI 43-101. Evidence · text > Mineral Resources were estimated using the CIM Standards on Mineral Resources and Reserves, Definitions and Guidelines prepared by the CIM Standing Committee on Reserve Definitions and adopted by the CIM Council. **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: This is an updated resource estimate, recalculated to include copper and tungsten values. Evidence · text > The mineral resource estimate has been recalculated to include both copper and tungsten values in the Davidson Property and is included in the updated PEA. **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ### indicated [Link to this fact](https://atlas-extractions.minestarters.com/news/moon-river-moly-announces-robust-updated-positive-preliminary-economic-assessmen--a7667414-ddc0-4973-9af2-9ea1f56d5367#fact-resource-facts-7) Davidson Property · copper #### Identity - Project: Davidson Property - Commodity: copper - Region: canada\_bc - Reported Region: British Columbia - Ticker: MOO #### Resource scope - Estimate type: resource - Effective date: 2025-12-23T00:00:00.000Z - Reporting standards: ni\_43\_101, other - QP Signed: Yes - Qualified person names: F. Bakker - Resource group id: resource:cc7a55d02d4f1b70669a - Mining method: underground #### Resource Data - Category: indicated - Tonnes: 360595000 - Grade: 0.028 - Grade Unit: % - Contained Metal: 102048000 - Contained Unit: kg - Cutoff Grade: 0.1 - Cutoff Unit: %MoS2 #### Prior Estimate - Resource Date: 2025-12-23 #### Location - Loc. Confidence: inferred #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2025-12-23T00:00:00.000Z Reasoning: The Indicated resource for copper provides additional value as a by-product and is reported with good confidence. - Positive factor: Large Indicated resource of 360.60 Mt at 0.028% Cu, contributing to by-product credits. - Positive factor: Resource estimate is compliant with NI 43-101 and CIM standards, and signed off by a QP. Evidence · table > 0.028 Context: 360,595,000 #### Tags used in scoring **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: The resource is classified as Indicated, providing reasonable geological confidence. Evidence · table > Indicated Context: 360,595,000 **QP/CP Signed** Polarity: positive Definition: 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 resource calculation was reviewed and approved by F. Bakker P.Geo., a Qualified Person. Evidence · text > The data used to generate the resource calculation was reviewed and approved by F. Bakker P.Geo. **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: The resource estimate was prepared using CIM Standards and is compliant with NI 43-101. Evidence · text > Mineral Resources were estimated using the CIM Standards on Mineral Resources and Reserves, Definitions and Guidelines prepared by the CIM Standing Committee on Reserve Definitions and adopted by the CIM Council. **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: This is an updated resource estimate, recalculated to include copper and tungsten values. Evidence · text > The mineral resource estimate has been recalculated to include both copper and tungsten values in the Davidson Property and is included in the updated PEA. **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ### indicated [Link to this fact](https://atlas-extractions.minestarters.com/news/moon-river-moly-announces-robust-updated-positive-preliminary-economic-assessmen--a7667414-ddc0-4973-9af2-9ea1f56d5367#fact-resource-facts-8) Davidson Property · molybdenum #### Identity - Project: Davidson Property - Commodity: molybdenum - Region: canada\_bc - Reported Region: British Columbia - Ticker: MOO #### Resource scope - Estimate type: resource - Effective date: 2025-12-23T00:00:00.000Z - Reporting standards: ni\_43\_101, other - QP Signed: Yes - Qualified person names: F. Bakker - Resource group id: resource:0bfb6e00cd11dfd6503a - Mining method: underground #### Resource Data - Category: indicated - Tonnes: 489053000 - Grade: 0.102 - Grade Unit: %Mo - Contained Metal: 499789000 - Contained Unit: kg - Cutoff Grade: 0.1 - Cutoff Unit: %MoS2 #### Prior Estimate - Resource Date: 2025-12-23 #### Location - Loc. Confidence: inferred #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2025-12-23T00:00:00.000Z Reasoning: The combined Measured and Indicated resource for molybdenum is substantial, enhancing the project's overall confidence and scale. - Positive factor: Very large Measured + Indicated resource of 489.05 Mt at 0.102% Mo, providing a strong foundation for the project. - Positive factor: Resource estimate is compliant with NI 43-101 and CIM standards, and signed off by a QP. Evidence · table > 0.102 Context: 489,053,000 #### Tags used in scoring **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: The combined Measured + Indicated resource is extracted as Indicated, representing a high confidence category. Evidence · table > Measured + Indicated Context: 489,053,000 **QP/CP Signed** Polarity: positive Definition: 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 resource calculation was reviewed and approved by F. Bakker P.Geo., a Qualified Person. Evidence · text > The data used to generate the resource calculation was reviewed and approved by F. Bakker P.Geo. **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: The resource estimate was prepared using CIM Standards and is compliant with NI 43-101. Evidence · text > Mineral Resources were estimated using the CIM Standards on Mineral Resources and Reserves, Definitions and Guidelines prepared by the CIM Standing Committee on Reserve Definitions and adopted by the CIM Council. **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: This is an updated resource estimate, recalculated to include copper and tungsten values. Evidence · text > The mineral resource estimate has been recalculated to include both copper and tungsten values in the Davidson Property and is included in the updated PEA. **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ### indicated [Link to this fact](https://atlas-extractions.minestarters.com/news/moon-river-moly-announces-robust-updated-positive-preliminary-economic-assessmen--a7667414-ddc0-4973-9af2-9ea1f56d5367#fact-resource-facts-9) Davidson Property · copper #### Identity - Project: Davidson Property - Commodity: copper - Region: canada\_bc - Reported Region: British Columbia - Ticker: MOO #### Resource scope - Estimate type: resource - Effective date: 2025-12-23T00:00:00.000Z - Reporting standards: ni\_43\_101, other - QP Signed: Yes - Qualified person names: F. Bakker - Resource group id: resource:0bfb6e00cd11dfd6503a - Mining method: underground #### Resource Data - Category: indicated - Tonnes: 489053000 - Grade: 0.03 - Grade Unit: % - Contained Metal: 148679000 - Contained Unit: kg - Cutoff Grade: 0.1 - Cutoff Unit: %MoS2 #### Prior Estimate - Resource Date: 2025-12-23 #### Location - Loc. Confidence: inferred #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2025-12-23T00:00:00.000Z Reasoning: The combined Measured and Indicated resource for copper is substantial, adding to the project's economic viability as a by-product. - Positive factor: Very large Measured + Indicated resource of 489.05 Mt at 0.030% Cu, providing significant by-product potential. - Positive factor: Resource estimate is compliant with NI 43-101 and CIM standards, and signed off by a QP. Evidence · table > 0.030 Context: 489,053,000 #### Tags used in scoring **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: The combined Measured + Indicated resource is extracted as Indicated, representing a high confidence category. Evidence · table > Measured + Indicated Context: 489,053,000 **QP/CP Signed** Polarity: positive Definition: 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 resource calculation was reviewed and approved by F. Bakker P.Geo., a Qualified Person. Evidence · text > The data used to generate the resource calculation was reviewed and approved by F. Bakker P.Geo. **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: The resource estimate was prepared using CIM Standards and is compliant with NI 43-101. Evidence · text > Mineral Resources were estimated using the CIM Standards on Mineral Resources and Reserves, Definitions and Guidelines prepared by the CIM Standing Committee on Reserve Definitions and adopted by the CIM Council. **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: This is an updated resource estimate, recalculated to include copper and tungsten values. Evidence · text > The mineral resource estimate has been recalculated to include both copper and tungsten values in the Davidson Property and is included in the updated PEA. **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/moon-river-moly-announces-robust-updated-positive-preliminary-economic-assessmen--a7667414-ddc0-4973-9af2-9ea1f56d5367#fact-resource-facts-10) Davidson Property · molybdenum #### Identity - Project: Davidson Property - Commodity: molybdenum - Region: canada\_bc - Reported Region: British Columbia - Ticker: MOO #### Resource scope - Estimate type: resource - Effective date: 2025-12-23T00:00:00.000Z - Reporting standards: ni\_43\_101, other - QP Signed: Yes - Qualified person names: F. Bakker - Resource group id: resource:fb0e3aaa0d20147d4109 - Mining method: underground #### Resource Data - Category: inferred - Tonnes: 29114000 - Grade: 0.0900896 - Grade Unit: %Mo - Contained Metal: 26229000 - Contained Unit: kg - Cutoff Grade: 0.1 - Cutoff Unit: %MoS2 #### Prior Estimate - Resource Date: 2025-12-23 #### Location - Loc. Confidence: inferred #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2025-12-23T00:00:00.000Z Reasoning: The Inferred resource for molybdenum represents future potential but carries a higher degree of geological uncertainty. - Positive factor: Inferred resource of 29.11 Mt at 0.090% Mo provides additional exploration upside. - Positive factor: Resource estimate is compliant with NI 43-101 and CIM standards, and signed off by a QP. - Negative factor: Inferred resources are geologically speculative and cannot support economic studies alone. Evidence · table > 0.0900896 Context: 29,114,000 #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: The resource is classified as Inferred, indicating a lower level of geological confidence. Evidence · table > Inferred Context: 29,114,000 **QP/CP Signed** Polarity: positive Definition: 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 resource calculation was reviewed and approved by F. Bakker P.Geo., a Qualified Person. Evidence · text > The data used to generate the resource calculation was reviewed and approved by F. Bakker P.Geo. **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: The resource estimate was prepared using CIM Standards and is compliant with NI 43-101. Evidence · text > Mineral Resources were estimated using the CIM Standards on Mineral Resources and Reserves, Definitions and Guidelines prepared by the CIM Standing Committee on Reserve Definitions and adopted by the CIM Council. **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: This is an updated resource estimate, recalculated to include copper and tungsten values. Evidence · text > The mineral resource estimate has been recalculated to include both copper and tungsten values in the Davidson Property and is included in the updated PEA. **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/moon-river-moly-announces-robust-updated-positive-preliminary-economic-assessmen--a7667414-ddc0-4973-9af2-9ea1f56d5367#fact-resource-facts-11) Davidson Property · copper #### Identity - Project: Davidson Property - Commodity: copper - Region: canada\_bc - Reported Region: British Columbia - Ticker: MOO #### Resource scope - Estimate type: resource - Effective date: 2025-12-23T00:00:00.000Z - Reporting standards: ni\_43\_101, other - QP Signed: Yes - Qualified person names: F. Bakker - Resource group id: resource:fb0e3aaa0d20147d4109 - Mining method: underground #### Resource Data - Category: inferred - Tonnes: 29114000 - Grade: 0.0213 - Grade Unit: % - Contained Metal: 6201000 - Contained Unit: kg - Cutoff Grade: 0.1 - Cutoff Unit: %MoS2 #### Prior Estimate - Resource Date: 2025-12-23 #### Location - Loc. Confidence: inferred #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2025-12-23T00:00:00.000Z Reasoning: The Inferred resource for copper offers future potential but is subject to higher geological uncertainty. - Positive factor: Inferred resource of 29.11 Mt at 0.0213% Cu provides additional exploration upside for by-product credits. - Positive factor: Resource estimate is compliant with NI 43-101 and CIM standards, and signed off by a QP. - Negative factor: Inferred resources are geologically speculative and cannot support economic studies alone. Evidence · table > 0.0213 Context: 29,114,000 #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: The resource is classified as Inferred, indicating a lower level of geological confidence. Evidence · table > Inferred Context: 29,114,000 **QP/CP Signed** Polarity: positive Definition: 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 resource calculation was reviewed and approved by F. Bakker P.Geo., a Qualified Person. Evidence · text > The data used to generate the resource calculation was reviewed and approved by F. Bakker P.Geo. **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: The resource estimate was prepared using CIM Standards and is compliant with NI 43-101. Evidence · text > Mineral Resources were estimated using the CIM Standards on Mineral Resources and Reserves, Definitions and Guidelines prepared by the CIM Standing Committee on Reserve Definitions and adopted by the CIM Council. **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: This is an updated resource estimate, recalculated to include copper and tungsten values. Evidence · text > The mineral resource estimate has been recalculated to include both copper and tungsten values in the Davidson Property and is included in the updated PEA. **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **PEA-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study. Why it applies: the release names the study this estimate supports ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/moon-river-moly-announces-robust-updated-positive-preliminary-economic-assessmen--a7667414-ddc0-4973-9af2-9ea1f56d5367#fact-resource-facts-12) Davidson Property · tungsten #### Identity - Project: Davidson Property - Commodity: tungsten - Region: canada\_bc - Reported Region: British Columbia - Ticker: MOO #### Resource scope - Estimate type: resource - Effective date: 2025-12-23T00:00:00.000Z - Reporting standards: ni\_43\_101, other - QP Signed: Yes - Qualified person names: F. Bakker - Resource group id: resource:5af9d284ec6d99f5b913 - Mining method: underground #### Resource Data - Category: inferred - Tonnes: 518167000 - Grade: 0.02988995 - Grade Unit: % WO3 - Contained Metal: 154880000 - Contained Unit: kg - Cutoff Grade: 0.1 - Cutoff Unit: %MoS2 #### Prior Estimate - Resource Date: 2025-12-23 #### Location - Loc. Confidence: inferred #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2025-12-23T00:00:00.000Z Reasoning: The Inferred resource for tungsten is substantial and contributes to the project's overall scale, but its speculative nature and inclusion in the PEA economics warrant caution. - Positive factor: Very large Inferred resource of 518.17 Mt at 0.0299% WO3, providing significant long-term potential for tungsten. - Positive factor: Resource estimate is compliant with NI 43-101 and CIM standards, and signed off by a QP. - Negative factor: Inferred resources are geologically speculative and cannot support economic studies alone. - Negative factor: Tungsten inferred resources are included in the PEA economic analysis, which adds to the study's preliminary nature. Evidence · table > 0.02988995 Context: 518,167,000 #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: The resource is classified as Inferred, indicating a lower level of geological confidence. Evidence · table > Inferred Context: 518,167,000 **QP/CP Signed** Polarity: positive Definition: 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 resource calculation was reviewed and approved by F. Bakker P.Geo., a Qualified Person. Evidence · text > The data used to generate the resource calculation was reviewed and approved by F. Bakker P.Geo. **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: The resource estimate was prepared using CIM Standards and is compliant with NI 43-101. Evidence · text > Mineral Resources were estimated using the CIM Standards on Mineral Resources and Reserves, Definitions and Guidelines prepared by the CIM Standing Committee on Reserve Definitions and adopted by the CIM Council. **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: This is an updated resource estimate, recalculated to include copper and tungsten values. Evidence · text > The mineral resource estimate has been recalculated to include both copper and tungsten values in the Davidson Property and is included in the updated PEA. **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **PEA-Supporting** Polarity: neutral Definition: 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 (3) ### Fact 1 [Link to this fact](https://atlas-extractions.minestarters.com/news/moon-river-moly-announces-robust-updated-positive-preliminary-economic-assessmen--a7667414-ddc0-4973-9af2-9ea1f56d5367#fact-metallurgical-facts-1) Davidson Property · molybdenum #### Identity - Project: Davidson Property - Commodity: molybdenum - Region: canada\_bc - Reported Region: British Columbia - Ticker: MOO #### Test Work - Processing Route: conventional flotation plant #### Recovery - Recovery: 94.4 % - Recovery Basis: to\_concentrate - Head Grade: 0.3 - Head Grade Unit: % #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2025-12-23T00:00:00.000Z Reasoning: Molybdenum recovery is high for a flotation plant, contributing positively to project economics. The use of dry stacked tailings is also a positive environmental aspect. - Positive factor: High molybdenum recovery of 94.4% into concentrate, indicating efficient processing for the primary commodity. - Positive factor: Use of dry stacked tailings, which is an environmentally friendly approach. Evidence · text > The processing plant is expected to have a recovery rate of 94.4% molybdenum, 52.4% copper and 15.5% tungsten into concentrate. #### Tags used in scoring **High Recovery** Polarity: positive Definition: Recovery at or above the exceptional band for the commodity and processing route. Why it applies: Molybdenum recovery of 94.4% is high for a conventional flotation plant, exceeding the strong tier for copper flotation \(92%\). Evidence · text > recovery rate of 94.4% molybdenum **Mill Route** Polarity: neutral Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\). Why it applies: The processing plant is described as a conventional flotation plant, which is a mill route. Evidence · text > The processing plant, located completely underground, will be a conventional flotation plant **Byproduct Commodity** Polarity: neutral Definition: The tested commodity is a byproduct rather than the primary economic driver. Why it applies: the release describes a byproduct credit #### Rejected tags **Dry Stack Tailings** — Rejected; excluded from scoring Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Reason: The project incorporates dry stacked tailings, which is a modern and environmentally preferred method. Evidence · text > Additionally, the incorporation of dry stacked tailings eliminates need for a traditional hydraulic tailings storage facility. ### Fact 2 [Link to this fact](https://atlas-extractions.minestarters.com/news/moon-river-moly-announces-robust-updated-positive-preliminary-economic-assessmen--a7667414-ddc0-4973-9af2-9ea1f56d5367#fact-metallurgical-facts-2) Davidson Property · copper #### Identity - Project: Davidson Property - Commodity: copper - Region: canada\_bc - Reported Region: British Columbia - Ticker: MOO #### Test Work - Processing Route: conventional flotation plant #### Recovery - Recovery: 52.4 % - Recovery Basis: to\_concentrate - Head Grade: 0.037 - Head Grade Unit: % #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2025-12-23T00:00:00.000Z Reasoning: Copper recovery is low for a flotation plant, which could negatively impact the economics of copper as a by-product. However, copper is a secondary commodity. - Positive factor: Use of dry stacked tailings, which is an environmentally friendly approach. - Negative factor: Low copper recovery of 52.4% into concentrate, which is below the weak tier for copper flotation \(80%\). Evidence · text > The processing plant is expected to have a recovery rate of 94.4% molybdenum, 52.4% copper and 15.5% tungsten into concentrate. #### Tags used in scoring **Mill Route** Polarity: neutral Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\). Why it applies: The processing plant is described as a conventional flotation plant, which is a mill route. Evidence · text > The processing plant, located completely underground, will be a conventional flotation plant **Byproduct Commodity** Polarity: neutral Definition: The tested commodity is a byproduct rather than the primary economic driver. Why it applies: Copper is explicitly stated as a byproduct in the economic highlights. Evidence · text > net of Cu and W production credits #### Rejected tags **Low Recovery** — Rejected; excluded from scoring Polarity: negative Definition: Recovery below the weak band for the commodity and processing route. Reason: Copper recovery of 52.4% is below the weak tier \(80%\) for flotation, indicating potential metallurgical challenges for this by-product. Evidence · text > recovery rate of ... 52.4% copper **Dry Stack Tailings** — Rejected; excluded from scoring Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Reason: The project incorporates dry stacked tailings, which is a modern and environmentally preferred method. Evidence · text > Additionally, the incorporation of dry stacked tailings eliminates need for a traditional hydraulic tailings storage facility. ### Fact 3 [Link to this fact](https://atlas-extractions.minestarters.com/news/moon-river-moly-announces-robust-updated-positive-preliminary-economic-assessmen--a7667414-ddc0-4973-9af2-9ea1f56d5367#fact-metallurgical-facts-3) Davidson Property · tungsten #### Identity - Project: Davidson Property - Commodity: tungsten - Region: canada\_bc - Reported Region: British Columbia - Ticker: MOO #### Test Work - Processing Route: conventional flotation plant #### Recovery - Recovery: 15.5 % - Recovery Basis: to\_concentrate - Head Grade: 0.036 - Head Grade Unit: % WO3 #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2025-12-23T00:00:00.000Z Reasoning: Tungsten recovery is very low, which could significantly limit its economic contribution as a by-product, despite its inclusion in the PEA economics. - Positive factor: Use of dry stacked tailings, which is an environmentally friendly approach. - Negative factor: Very low tungsten recovery of 15.5% into concentrate, which is significantly below typical recovery expectations for most commodities. Evidence · text > The processing plant is expected to have a recovery rate of 94.4% molybdenum, 52.4% copper and 15.5% tungsten into concentrate. #### Tags used in scoring **Mill Route** Polarity: neutral Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\). Why it applies: The processing plant is described as a conventional flotation plant, which is a mill route. Evidence · text > The processing plant, located completely underground, will be a conventional flotation plant **Byproduct Commodity** Polarity: neutral Definition: The tested commodity is a byproduct rather than the primary economic driver. Why it applies: Tungsten is explicitly stated as a byproduct in the economic highlights. Evidence · text > net of Cu and W production credits #### Rejected tags **Low Recovery** — Rejected; excluded from scoring Polarity: negative Definition: Recovery below the weak band for the commodity and processing route. Reason: Tungsten recovery of 15.5% is very low, indicating significant challenges in recovering this by-product. Evidence · text > recovery rate of ... 15.5% tungsten **Dry Stack Tailings** — Rejected; excluded from scoring Polarity: positive Story-specific tag Definition: No canonical definition is currently available. Reason: The project incorporates dry stacked tailings, which is a modern and environmentally preferred method. Evidence · text > Additionally, the incorporation of dry stacked tailings eliminates need for a traditional hydraulic tailings storage facility. ## 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.