# Grid Metals Announces Maiden Cesium Resource at Falcon West; Establishes Lucy South Cesium Deposit as the World's Second Largest Cesium Resource in Active Development Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/grid-metals-announces-maiden-cesium-resource-at-falcon-west-establishes-lucy-sou--c1d57f00-f653-48de-82c7-c0745993df11 Original source: https://www.accessnewswire.com/newsroom/en/metals-and-mining/grid-metals-announces-maiden-cesium-resource-at-falcon-west-establishes-lucy-sout-1228790 Publisher: accesswire Original announcement: 2026-09-30T11:31:28.725Z Analysis by Minestarters Atlas Atlas analysis published: 2026-09-30T11:37:01.949Z Atlas analysis updated: 2026-09-30T11:37:01.949Z - Company: Grid Metals Corp. - Ticker: GRDM - Exchange: Unavailable - Region: Manitoba - Primary commodity: Cesium - Secondary commodities: Lithium - Document categories: Resource update - Extracted: 2026-09-30 11:37:02 UTC Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas summary Grid Metals has announced a maiden Mineral Resource Estimate for the Lucy South cesium-lithium-tantalum deposit at its Falcon West Property in Manitoba. The resource consists of 51,500 tonnes in the Measured category, with a high-grade Pollucite Zone included in the estimate. Reasoning: The announcement of a maiden Measured resource for a critical metal \(cesium\) at a high-grade intercept is a major de-risking and value-creation milestone. - Positive factor: Maiden resource establishes a significant global cesium asset - Positive factor: 100% of the resource is in the high-confidence Measured category - Positive factor: High-grade Pollucite Zone identified within the LCT zone - Positive factor: Project is proximal to infrastructure and hydro-electric power - Negative factor: Small total tonnage \(51.5 kt\) compared to major global deposits Facts used in scoring: 4 ## Classification and evidence **Maiden Resource** Polarity: neutral Definition: First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component. Why it applies: The company explicitly states this is a maiden Mineral Resource Estimate at the Lucy South pegmatite. Evidence · text > is pleased to announce a maiden Mineral Resource Estimate \("MRE"\) **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: The MRE was prepared in compliance with NI 43-101 standards. Evidence · text > in compliance with National Instrument 43-101 **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: Rohan Millar, P.Geo., is named as the independent Qualified Person who reviewed and approved the estimate. Evidence · text > estimated by Rohan Millar, P.Geo., of SGS Geological Services, an independent Qualified Person **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: The cut-off grade of 0.2% Cs 2 O is clearly stated in the resource table and text. Evidence · table > 0.2 Context: LCT ## Extracted facts Stored fact records: 4. Some facts used in scoring do not have a stored record. ## Resource Estimates (4) ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/grid-metals-announces-maiden-cesium-resource-at-falcon-west-establishes-lucy-sou--c1d57f00-f653-48de-82c7-c0745993df11#fact-resource-facts-0) Falcon West · cesium #### Identity - Project: Falcon West - Commodity: cesium - Region: canada\_mb - Reported Region: Manitoba - Ticker: GRDM #### Resource scope - Estimate type: resource - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Rohan Millar - Resource group id: resource:3a566fc9f0b7cc7d21da - Deposit or zone: LCT - Mining method: combined - Material type: pegmatite - Ownership percent: 100 % #### Resource Data - Category: measured - Tonnes: 51500 - Grade: 2.58 - Grade Unit: % Cs 2 O - Cutoff Grade: 0.2 - Cutoff Unit: % Cs 2 O #### Prior Estimate - Resource Date: 2026-09-25 #### Lab - Laboratory: Activation Laboratories #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: High confidence maiden resource for a critical metal. - Positive factor: Maiden resource - Positive factor: 100% Measured category Evidence · table > 2.58 Context: 51,500 #### 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: category is "measured" **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 **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: qp\_signed is true **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **No Contained Metal** Polarity: negative Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. Why it applies: contained\_metal was not reported ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/grid-metals-announces-maiden-cesium-resource-at-falcon-west-establishes-lucy-sou--c1d57f00-f653-48de-82c7-c0745993df11#fact-resource-facts-1) Falcon West · lithium #### Identity - Project: Falcon West - Commodity: lithium - Region: canada\_mb - Reported Region: Manitoba - Ticker: GRDM #### Resource scope - Estimate type: resource - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Rohan Millar - Resource group id: resource:3a566fc9f0b7cc7d21da - Deposit or zone: LCT - Mining method: combined - Material type: pegmatite - Ownership percent: 100 % #### Resource Data - Category: measured - Tonnes: 51500 - Grade: 1.47 - Grade Unit: % Li 2 O - Cutoff Grade: 0.2 - Cutoff Unit: % Cs 2 O #### Prior Estimate - Resource Date: 2026-09-25 #### Lab - Laboratory: Activation Laboratories #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: Significant lithium byproduct in a cesium-dominant resource. - Positive factor: Co-product lithium enrichment Evidence · table > 1.47 Context: 51,500 #### 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: category is "measured" **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 **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: qp\_signed is true **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **No Contained Metal** Polarity: negative Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. Why it applies: contained\_metal was not reported ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/grid-metals-announces-maiden-cesium-resource-at-falcon-west-establishes-lucy-sou--c1d57f00-f653-48de-82c7-c0745993df11#fact-resource-facts-2) Falcon West · cesium #### Identity - Project: Falcon West - Commodity: cesium - Region: canada\_mb - Reported Region: Manitoba - Ticker: GRDM #### Resource scope - Estimate type: resource - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Rohan Millar - Resource group id: resource:a89776d2d76738d9f5a7 - Deposit or zone: Pollucite - Mining method: combined - Material type: pegmatite - Ownership percent: 100 % #### Resource Data - Category: measured - Tonnes: 15600 - Grade: 5.19 - Grade Unit: % Cs 2 O - Cutoff Grade: 0.2 - Cutoff Unit: % Cs 2 O #### Prior Estimate - Resource Date: 2026-09-25 #### Lab - Laboratory: Activation Laboratories #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: High-grade core within the LCT zone. - Positive factor: Very high grade cesium zone Evidence · table > 5.19 Context: 15,600 #### 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: category is "measured" **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 **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: qp\_signed is true **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **No Contained Metal** Polarity: negative Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. Why it applies: contained\_metal was not reported ### measured [Link to this fact](https://atlas-staging.minestarters.com/news/grid-metals-announces-maiden-cesium-resource-at-falcon-west-establishes-lucy-sou--c1d57f00-f653-48de-82c7-c0745993df11#fact-resource-facts-3) Falcon West · lithium #### Identity - Project: Falcon West - Commodity: lithium - Region: canada\_mb - Reported Region: Manitoba - Ticker: GRDM #### Resource scope - Estimate type: resource - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Rohan Millar - Resource group id: resource:a89776d2d76738d9f5a7 - Deposit or zone: Pollucite - Mining method: combined - Material type: pegmatite - Ownership percent: 100 % #### Resource Data - Category: measured - Tonnes: 15600 - Grade: 1.76 - Grade Unit: % Li 2 O - Cutoff Grade: 0.2 - Cutoff Unit: % Cs 2 O #### Prior Estimate - Resource Date: 2026-09-25 #### Lab - Laboratory: Activation Laboratories #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: Strong lithium grades in the high-grade cesium zone. - Positive factor: High grade lithium byproduct Evidence · table > 1.76 Context: 15,600 #### 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: category is "measured" **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 **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: qp\_signed is true **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **No Contained Metal** Polarity: negative Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. Why it applies: contained\_metal was not reported ## 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.