# 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--4a0318e7-a849-4904-83be-e7314134d2fb

Original source: https://orestocks.com/company/GRDM.V/press-releases/5610354442321493

Publisher: orestocks

Original announcement: 2026-09-30T11:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: 2026-09-30T11:37:52.120Z

Atlas analysis updated: 2026-09-30T11:37:52.120Z

- Company: Grid Metals Corp.

- Ticker: GRDM.V

- Exchange: Unavailable

- Region: Manitoba

- Primary commodity: Cesium

- Secondary commodities: Lithium

- Document categories: Resource update

- Extracted: 2026-09-30 11:37:52 UTC

Narrative sentiment: 0.80 · Bullish

## Minestarters Atlas summary

Grid Metals has announced a maiden Mineral Resource Estimate for the Lucy South cesium deposit at the Falcon West Property in Manitoba. The resource is entirely in the measured category, consisting of 51,500 tonnes at 2.58% Cs2O and 1.47% Li2O, including a high-grade pollucite zone.

Reasoning: The announcement of a maiden resource with 100% measured classification is a major de-risking milestone for a critical mineral project.

- Positive factor: Maiden resource establishment

- Positive factor: 100% measured category provides high geological confidence

- Positive factor: Critical mineral status for cesium

- Positive factor: High-grade pollucite zone identified

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 announced its first formal Mineral Resource Estimate for the Lucy South deposit.

Evidence · text

> announce a maiden Mineral Resource Estimate \("MRE"\)

**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., of SGS Geological Services is named as the independent Qualified Person.

Evidence · text

> estimated by Rohan Millar, P.Geo., of SGS Geological Services, an independent Qualified Person

**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

**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 base case cut-off grade of 0.2 Cs2O% is clearly stated in the resource table and notes.

Evidence · table

> 0.2

Context: 0.2

## 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--4a0318e7-a849-4904-83be-e7314134d2fb#fact-resource-facts-0)

Falcon West · cesium

#### Identity

- Project: Falcon West
- Commodity: cesium
- Region: canada\_mb
- Reported Region: Manitoba
- Ticker: GRDM.V

#### Resource scope

- Estimate type: resource
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Rohan Millar
- Resource group id: resource:e09f557fbe74fb1c3d11
- Deposit or zone: LCT Zone
- Mining method: combined
- Ownership percent: 85 %
- Resource basis: gross

#### Resource Data

- Category: measured
- Tonnes: 51500
- Grade: 2.58
- Grade Unit: % Cs2O
- Cutoff Grade: 0.2
- Cutoff Unit: % Cs2O

#### 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: Maiden measured resource for the LCT zone.

- Positive factor: Maiden resource

- Positive factor: 100% measured

Evidence · table

> 51,500

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--4a0318e7-a849-4904-83be-e7314134d2fb#fact-resource-facts-1)

Falcon West · lithium

#### Identity

- Project: Falcon West
- Commodity: lithium
- Region: canada\_mb
- Reported Region: Manitoba
- Ticker: GRDM.V

#### Resource scope

- Estimate type: resource
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Rohan Millar
- Resource group id: resource:e09f557fbe74fb1c3d11
- Deposit or zone: LCT Zone
- Mining method: combined
- Ownership percent: 85 %
- Resource basis: gross

#### Resource Data

- Category: measured
- Tonnes: 51500
- Grade: 1.47
- Grade Unit: % Li2O
- Cutoff Grade: 0.2
- Cutoff Unit: % Cs2O

#### 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: Lithium grade reported as part of the maiden LCT zone resource.

- Positive factor: Part of maiden resource

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--4a0318e7-a849-4904-83be-e7314134d2fb#fact-resource-facts-2)

Falcon West · cesium

#### Identity

- Project: Falcon West
- Commodity: cesium
- Region: canada\_mb
- Reported Region: Manitoba
- Ticker: GRDM.V

#### Resource scope

- Estimate type: resource
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Rohan Millar
- Resource group id: resource:f51d0b33aa0bf1f56f71
- Deposit or zone: Pollucite Zone
- Mining method: combined
- Ownership percent: 85 %
- Resource basis: gross

#### Resource Data

- Category: measured
- Tonnes: 15600
- Grade: 5.19
- Grade Unit: % Cs2O
- Cutoff Grade: 0.2
- Cutoff Unit: % Cs2O

#### 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 measured cesium resource in the Pollucite Zone.

- Positive factor: High-grade pollucite zone

- Positive factor: Maiden resource

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--4a0318e7-a849-4904-83be-e7314134d2fb#fact-resource-facts-3)

Falcon West · lithium

#### Identity

- Project: Falcon West
- Commodity: lithium
- Region: canada\_mb
- Reported Region: Manitoba
- Ticker: GRDM.V

#### Resource scope

- Estimate type: resource
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Rohan Millar
- Resource group id: resource:f51d0b33aa0bf1f56f71
- Deposit or zone: Pollucite Zone
- Mining method: combined
- Ownership percent: 85 %
- Resource basis: gross

#### Resource Data

- Category: measured
- Tonnes: 15600
- Grade: 1.76
- Grade Unit: % Li2O
- Cutoff Grade: 0.2
- Cutoff Unit: % Cs2O

#### 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: Lithium grade reported as part of the high-grade maiden Pollucite Zone resource.

- Positive factor: Part of maiden resource

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.
