# Grid shares 1,322-t cesium monoxide resource at Falcon West, names Lucy South world’s second largest deposit Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/grid-shares-1-322-t-cesium-monoxide-resource-at-falcon-west-names-lucy-south-wor--2693c66f-ed32-4c8a-a060-57f432ae32b0 Original source: https://www.canadianminingjournal.com/news/grid-shares-1322-t-cesium-monoxide-resource-at-falcon-west-names-lucy-south-worlds-second-largest-deposit/ Publisher: canadianminingjournal Original announcement: 2026-09-30T16:11:18.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-09-30T18:17:42.408Z Atlas analysis updated: 2026-09-30T18:17:42.408Z - Company: Grid Metals - Ticker: GRDM - Exchange: Unavailable - Region: Manitoba - Primary commodity: Cesium - Secondary commodities: Lithium - Document categories: Resource update - Extracted: 2026-09-30 18:17:43 UTC Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas summary Grid Metals has announced the first mineral resource estimate for its Falcon West project in Manitoba, highlighting the Lucy South deposit. The measured resource for the LCT zone includes 51,500 tonnes at 2.58% Cs2O and 1.47% Li2O. Reasoning: First resource numbers for the Falcon West project, establishing a significant cesium monoxide resource in a globally rare deposit type. - Positive factor: Maiden resource announcement - Positive factor: High-grade cesium monoxide intercepts - Positive factor: Significant scale for a rare commodity - Positive factor: Strategic location near existing infrastructure 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 article states Grid Metals shared the 'first resource numbers' for its Falcon West project. Evidence · text > shared the first resource numbers for its Falcon West cesium project ## 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-shares-1-322-t-cesium-monoxide-resource-at-falcon-west-names-lucy-south-wor--2693c66f-ed32-4c8a-a060-57f432ae32b0#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 - Resource group id: resource:8e88690ac4dec3c5c079 - Deposit or zone: LCT zone - Mining method: open\_pit - Ownership percent: 85 % - Resource basis: gross #### Resource Data - Category: measured - Tonnes: 51500 - Grade: 2.58 - Grade Unit: % Cs 2 O #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: Measured resource for the LCT zone at 2.58% Cs2O. - Positive factor: High grade for cesium monoxide Evidence · text > open pit measured resource for the LCT \(lithium-cesium-tantalum\) zone is 51,500 tonnes at 2.58% Cs 2 O #### 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **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 **No QP/CP Disclosure** Polarity: negative Definition: No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience. Why it applies: no Qualified or Competent Person is named anywhere in the release **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-staging.minestarters.com/news/grid-shares-1-322-t-cesium-monoxide-resource-at-falcon-west-names-lucy-south-wor--2693c66f-ed32-4c8a-a060-57f432ae32b0#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 - Resource group id: resource:8e88690ac4dec3c5c079 - Deposit or zone: LCT zone - Mining method: open\_pit - Ownership percent: 85 % - Resource basis: gross #### Resource Data - Category: measured - Tonnes: 51500 - Grade: 1.47 - Grade Unit: % Li 2 O #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: Measured lithium oxide grade within the LCT zone. - Positive factor: Significant lithium byproduct Evidence · text > 51,500 tonnes at 2.58% Cs 2 O and 1.47% lithium oxide \(Li 2 O\) #### 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **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 **No QP/CP Disclosure** Polarity: negative Definition: No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience. Why it applies: no Qualified or Competent Person is named anywhere in the release **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-staging.minestarters.com/news/grid-shares-1-322-t-cesium-monoxide-resource-at-falcon-west-names-lucy-south-wor--2693c66f-ed32-4c8a-a060-57f432ae32b0#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 - Resource group id: resource:19947542ddf118891514 - Deposit or zone: Pollucite zone - Mining method: open\_pit - Ownership percent: 85 % - Resource basis: gross #### Resource Data - Category: measured - Tonnes: 15600 - Grade: 5.19 - Grade Unit: % Cs 2 O #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: High-grade measured resource in the Pollucite zone. - Positive factor: Very high grade cesium monoxide Evidence · text > Pollucite zone that contains a measured resource of 15,600 tonnes at 5.19% Cs 2 O #### 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **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 **No QP/CP Disclosure** Polarity: negative Definition: No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience. Why it applies: no Qualified or Competent Person is named anywhere in the release **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-staging.minestarters.com/news/grid-shares-1-322-t-cesium-monoxide-resource-at-falcon-west-names-lucy-south-wor--2693c66f-ed32-4c8a-a060-57f432ae32b0#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 - Resource group id: resource:19947542ddf118891514 - Deposit or zone: Pollucite zone - Mining method: open\_pit - Ownership percent: 85 % - Resource basis: gross #### Resource Data - Category: measured - Tonnes: 15600 - Grade: 1.76 - Grade Unit: % Li 2 O #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-09-30T00:00:00.000Z Reasoning: Measured lithium oxide grade in the Pollucite zone. - Positive factor: Strong lithium oxide grade Evidence · text > Pollucite zone that contains a measured resource of 15,600 tonnes at 5.19% Cs 2 O and 1.76% Li 2 O #### 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **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 **No QP/CP Disclosure** Polarity: negative Definition: No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience. Why it applies: no Qualified or Competent Person is named anywhere in the release **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 ## 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.