# enCore Energy Reports High-Grade Uranium Mineralization at Alta Mesa East Project

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/encore-energy-reports-high-grade-uranium-mineralization-at-alta-mesa-east-projec--f2d6be97-7583-4f96-af1a-e9a7303d3462

Original source: https://money.tmx.com/en/quote/EU/news/7191681470877341/encore-energy-reports-high-grade-uranium-mineralization-at-alta-mesa-east-projec

Publisher: tmx

Original announcement: 2026-06-16T11:10:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: enCore Energy Corp.

- Ticker: EU

- Exchange: TSX

- Region: South Texas

- Primary commodity: Uranium

- Secondary commodities: None reported

- Document categories: Drill results

- Extracted: 2026-08-24 05:14:05 UTC

Narrative sentiment: 0.70 · Bullish

## Minestarters Atlas summary

enCore Energy Corp. reported positive drill results from its ongoing program at the Alta Mesa East Project in South Texas, confirming high-grade uranium mineralization. The drilling intersected significant uranium grades and thicknesses, with several holes returning GT values suitable for inclusion in a wellfield for in-situ recovery. These results support the company's thesis of extending productive roll fronts and feeding the adjacent Alta Mesa Central Processing Plant.

Reasoning: The drilling program at Alta Mesa East Project continues to yield positive results, confirming high-grade uranium mineralization suitable for ISR, extending known productive zones, and supporting the company's strategy to feed the nearby processing plant. Technical disclosure has been reviewed by a Qualified Person.

- Positive factor: high\_grade\_for\_isr

- Positive factor: extends\_known\_mineralization

- Positive factor: proximity\_to\_processing\_plant

- Positive factor: qp\_signoff

- Positive factor: true\_thickness\_approximated\_due\_to\_flat\_dipping\_strata

- Negative factor: no\_specific\_true\_width\_reported

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 15

## Classification and evidence

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: The document includes a 'Quality Assurance \(QA\) and Quality Control \(QC\)' section detailing logging methods and QP sign-off.

Evidence · text

> Quality Assurance \(QA\) and Quality Control \(QC\)

**QP/CP Signed**

Polarity: positive

Story-specific tag

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: John M. Seeley, a Qualified Person under NI 43-101 and S-K 1300, has reviewed and approved the technical disclosure.

Evidence · text

> John M. Seeley, Ph.D., P.G., C.P.G., enCore's Vice President of Exploration and Production, and a Qualified Person under Canadian National Instrument 43-101 and U.S. Securities and Exchange Commission S-K 1300, has reviewed and approved the technical disclosure in this news release on behalf of the Company.

**Step-Out Extension**

Polarity: positive

Definition: Mineralization extended beyond the previously known limit.

Why it applies: The drilling program targets the continuation of productive roll fronts and aims to extend mineralization eastward onto the Alta Mesa East property.

Evidence · text

> The Alta Mesa East Project drilling program targets the continuation of productive roll fronts from several Alta Mesa Wellfields.

**Exploration Drilling**

Polarity: neutral

Story-specific tag

Definition: No canonical definition is currently available.

Why it applies: The company describes an 'aggressive exploratory drilling program' and states the program 'continues to make excellent progress' in discovering mineralization.

Evidence · text

> Our aggressive exploratory drilling program continues to provide results that support our thesis

**True Width Disclosed**

Polarity: positive

Definition: Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: The document states that 'All drill holes are vertical and represent approximate true thicknesses as the sedimentary strata are generally flat dipping', indicating that true width is approximated.

Evidence · text

> All drill holes are vertical and represent approximate true thicknesses as the sedimentary strata are generally flat dipping.

**Cut-off Disclosed**

Polarity: positive

Story-specific tag

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: The document specifies that 'Holes with less than 2 ft of 0.02% U3O8 are not reported in the table', indicating a reporting cut-off grade.

Evidence · text

> Holes with less than 2 ft of 0.02% U3O8 are not reported in the table.

**ISR Mining Method**

Polarity: neutral

Story-specific tag

Definition: No canonical definition is currently available.

Why it applies: The company explicitly states that the Alta Mesa Uranium Project utilizes 'in-situ recovery \(ISR\) technology' for uranium extraction.

Evidence · text

> The Alta Mesa Uranium Project utilizes well-known in-situ recovery \(ISR\) technology to extract uranium in a non-invasive process using natural groundwater and oxygen.

## Extracted facts

Stored fact records: 15. Some facts used in scoring do not have a stored record.

## Drill Results (15)

### 12-20

[Link to this fact](https://atlas-staging.minestarters.com/news/encore-energy-reports-high-grade-uranium-mineralization-at-alta-mesa-east-projec--f2d6be97-7583-4f96-af1a-e9a7303d3462#fact-drill-facts-0)

Alta Mesa East Project · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: 12-20
- Project: Alta Mesa East Project
- Commodity: uranium
- Region: south texas
- Reported Region: South Texas
- Ticker: EU

#### Geometry

- Grade: 0.036
- Grade Unit: % U3O8
- Intercept: 0.6096 m
- Intercept Depth: 126.3384 m

#### Classification

- Program: exploration
- Sample Type: drill
- Mining Method: unknown

#### QA/QC

- QA/QC Disclosed: Yes
- Lab Certified: No
- QP Signed: Yes
- QA/QC Methods: gamma\_logging, pfn\_logging

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Cutoff Grade: 0.02
- Cutoff Unit: % U3O8
- Dilution Disclosed: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2012-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-16T00:00:00.000Z

Reasoning: The intercept shows high-grade uranium mineralization suitable for in-situ recovery, extending known productive zones at the Alta Mesa East Project, with technical disclosure reviewed by a Qualified Person.

- Positive factor: high\_grade\_for\_isr

- Positive factor: extends\_known\_mineralization

- Positive factor: proximity\_to\_processing\_plant

- Positive factor: qp\_signoff

- Positive factor: true\_thickness\_approximated\_due\_to\_flat\_dipping\_strata

- Negative factor: no\_specific\_true\_width\_reported

Evidence · table

> 0.036

Context: 2.0

### 12-20

[Link to this fact](https://atlas-staging.minestarters.com/news/encore-energy-reports-high-grade-uranium-mineralization-at-alta-mesa-east-projec--f2d6be97-7583-4f96-af1a-e9a7303d3462#fact-drill-facts-1)

Alta Mesa East Project · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: 12-20
- Project: Alta Mesa East Project
- Commodity: uranium
- Region: south texas
- Reported Region: South Texas
- Ticker: EU

#### Geometry

- Grade: 0.199
- Grade Unit: % U3O8
- Intercept: 2.5908 m
- Intercept Depth: 148.4376 m

#### Classification

- Program: exploration
- Sample Type: drill
- Mining Method: unknown

#### QA/QC

- QA/QC Disclosed: Yes
- Lab Certified: No
- QP Signed: Yes
- QA/QC Methods: gamma\_logging, pfn\_logging

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Cutoff Grade: 0.02
- Cutoff Unit: % U3O8
- Dilution Disclosed: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2012-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-16T00:00:00.000Z

Reasoning: The intercept shows high-grade uranium mineralization suitable for in-situ recovery, extending known productive zones at the Alta Mesa East Project, with technical disclosure reviewed by a Qualified Person.

- Positive factor: high\_grade\_for\_isr

- Positive factor: extends\_known\_mineralization

- Positive factor: proximity\_to\_processing\_plant

- Positive factor: qp\_signoff

- Positive factor: true\_thickness\_approximated\_due\_to\_flat\_dipping\_strata

- Negative factor: no\_specific\_true\_width\_reported

Evidence · table

> 0.199

Context: 8.5

### 12-14

[Link to this fact](https://atlas-staging.minestarters.com/news/encore-energy-reports-high-grade-uranium-mineralization-at-alta-mesa-east-projec--f2d6be97-7583-4f96-af1a-e9a7303d3462#fact-drill-facts-2)

Alta Mesa East Project · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: 12-14
- Project: Alta Mesa East Project
- Commodity: uranium
- Region: south texas
- Reported Region: South Texas
- Ticker: EU

#### Geometry

- Grade: 0.031
- Grade Unit: % U3O8
- Intercept: 0.762 m
- Intercept Depth: 127.7112 m

#### Classification

- Program: exploration
- Sample Type: drill
- Mining Method: unknown

#### QA/QC

- QA/QC Disclosed: Yes
- Lab Certified: No
- QP Signed: Yes
- QA/QC Methods: gamma\_logging, pfn\_logging

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Cutoff Grade: 0.02
- Cutoff Unit: % U3O8
- Dilution Disclosed: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2012-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-16T00:00:00.000Z

Reasoning: The intercept shows high-grade uranium mineralization suitable for in-situ recovery, extending known productive zones at the Alta Mesa East Project, with technical disclosure reviewed by a Qualified Person.

- Positive factor: high\_grade\_for\_isr

- Positive factor: extends\_known\_mineralization

- Positive factor: proximity\_to\_processing\_plant

- Positive factor: qp\_signoff

- Positive factor: true\_thickness\_approximated\_due\_to\_flat\_dipping\_strata

- Negative factor: no\_specific\_true\_width\_reported

Evidence · table

> 0.031

Context: 2.5

### 12-14

[Link to this fact](https://atlas-staging.minestarters.com/news/encore-energy-reports-high-grade-uranium-mineralization-at-alta-mesa-east-projec--f2d6be97-7583-4f96-af1a-e9a7303d3462#fact-drill-facts-3)

Alta Mesa East Project · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: 12-14
- Project: Alta Mesa East Project
- Commodity: uranium
- Region: south texas
- Reported Region: South Texas
- Ticker: EU

#### Geometry

- Grade: 0.055
- Grade Unit: % U3O8
- Intercept: 0.6096 m
- Intercept Depth: 134.4168 m

#### Classification

- Program: exploration
- Sample Type: drill
- Mining Method: unknown

#### QA/QC

- QA/QC Disclosed: Yes
- Lab Certified: No
- QP Signed: Yes
- QA/QC Methods: gamma\_logging, pfn\_logging

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Cutoff Grade: 0.02
- Cutoff Unit: % U3O8
- Dilution Disclosed: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2012-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-16T00:00:00.000Z

Reasoning: The intercept shows high-grade uranium mineralization suitable for in-situ recovery, extending known productive zones at the Alta Mesa East Project, with technical disclosure reviewed by a Qualified Person.

- Positive factor: high\_grade\_for\_isr

- Positive factor: extends\_known\_mineralization

- Positive factor: proximity\_to\_processing\_plant

- Positive factor: qp\_signoff

- Positive factor: true\_thickness\_approximated\_due\_to\_flat\_dipping\_strata

- Negative factor: no\_specific\_true\_width\_reported

Evidence · table

> 0.055

Context: 2.0

### 12-14

[Link to this fact](https://atlas-staging.minestarters.com/news/encore-energy-reports-high-grade-uranium-mineralization-at-alta-mesa-east-projec--f2d6be97-7583-4f96-af1a-e9a7303d3462#fact-drill-facts-4)

Alta Mesa East Project · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: 12-14
- Project: Alta Mesa East Project
- Commodity: uranium
- Region: south texas
- Reported Region: South Texas
- Ticker: EU

#### Geometry

- Grade: 0.022
- Grade Unit: % U3O8
- Intercept: 0.762 m
- Intercept Depth: 145.6944 m

#### Classification

- Program: exploration
- Sample Type: drill
- Mining Method: unknown

#### QA/QC

- QA/QC Disclosed: Yes
- Lab Certified: No
- QP Signed: Yes
- QA/QC Methods: gamma\_logging, pfn\_logging

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Cutoff Grade: 0.02
- Cutoff Unit: % U3O8
- Dilution Disclosed: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2012-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-16T00:00:00.000Z

Reasoning: The intercept shows high-grade uranium mineralization suitable for in-situ recovery, extending known productive zones at the Alta Mesa East Project, with technical disclosure reviewed by a Qualified Person.

- Positive factor: high\_grade\_for\_isr

- Positive factor: extends\_known\_mineralization

- Positive factor: proximity\_to\_processing\_plant

- Positive factor: qp\_signoff

- Positive factor: true\_thickness\_approximated\_due\_to\_flat\_dipping\_strata

- Negative factor: no\_specific\_true\_width\_reported

Evidence · table

> 0.022

Context: 2.5

### 12-14

[Link to this fact](https://atlas-staging.minestarters.com/news/encore-energy-reports-high-grade-uranium-mineralization-at-alta-mesa-east-projec--f2d6be97-7583-4f96-af1a-e9a7303d3462#fact-drill-facts-5)

Alta Mesa East Project · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: 12-14
- Project: Alta Mesa East Project
- Commodity: uranium
- Region: south texas
- Reported Region: South Texas
- Ticker: EU

#### Geometry

- Grade: 0.102
- Grade Unit: % U3O8
- Intercept: 1.6764 m
- Intercept Depth: 152.4 m

#### Classification

- Program: exploration
- Sample Type: drill
- Mining Method: unknown

#### QA/QC

- QA/QC Disclosed: Yes
- Lab Certified: No
- QP Signed: Yes
- QA/QC Methods: gamma\_logging, pfn\_logging

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Cutoff Grade: 0.02
- Cutoff Unit: % U3O8
- Dilution Disclosed: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2012-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-16T00:00:00.000Z

Reasoning: The intercept shows high-grade uranium mineralization suitable for in-situ recovery, extending known productive zones at the Alta Mesa East Project, with technical disclosure reviewed by a Qualified Person.

- Positive factor: high\_grade\_for\_isr

- Positive factor: extends\_known\_mineralization

- Positive factor: proximity\_to\_processing\_plant

- Positive factor: qp\_signoff

- Positive factor: true\_thickness\_approximated\_due\_to\_flat\_dipping\_strata

- Negative factor: no\_specific\_true\_width\_reported

Evidence · table

> 0.102

Context: 5.5

### 12-5

[Link to this fact](https://atlas-staging.minestarters.com/news/encore-energy-reports-high-grade-uranium-mineralization-at-alta-mesa-east-projec--f2d6be97-7583-4f96-af1a-e9a7303d3462#fact-drill-facts-6)

Alta Mesa East Project · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: 12-5
- Project: Alta Mesa East Project
- Commodity: uranium
- Region: south texas
- Reported Region: South Texas
- Ticker: EU

#### Geometry

- Grade: 0.041
- Grade Unit: % U3O8
- Intercept: 0.4572 m
- Intercept Depth: 147.828 m

#### Classification

- Program: exploration
- Sample Type: drill
- Mining Method: unknown

#### QA/QC

- QA/QC Disclosed: Yes
- Lab Certified: No
- QP Signed: Yes
- QA/QC Methods: gamma\_logging, pfn\_logging

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Cutoff Grade: 0.02
- Cutoff Unit: % U3O8
- Dilution Disclosed: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2012-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-16T00:00:00.000Z

Reasoning: The intercept shows high-grade uranium mineralization suitable for in-situ recovery, extending known productive zones at the Alta Mesa East Project, with technical disclosure reviewed by a Qualified Person.

- Positive factor: high\_grade\_for\_isr

- Positive factor: extends\_known\_mineralization

- Positive factor: proximity\_to\_processing\_plant

- Positive factor: qp\_signoff

- Positive factor: true\_thickness\_approximated\_due\_to\_flat\_dipping\_strata

- Negative factor: no\_specific\_true\_width\_reported

Evidence · table

> 0.041

Context: 1.5

### 12-5

[Link to this fact](https://atlas-staging.minestarters.com/news/encore-energy-reports-high-grade-uranium-mineralization-at-alta-mesa-east-projec--f2d6be97-7583-4f96-af1a-e9a7303d3462#fact-drill-facts-7)

Alta Mesa East Project · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: 12-5
- Project: Alta Mesa East Project
- Commodity: uranium
- Region: south texas
- Reported Region: South Texas
- Ticker: EU

#### Geometry

- Grade: 0.175
- Grade Unit: % U3O8
- Intercept: 1.6764 m
- Intercept Depth: 150.5712 m

#### Classification

- Program: exploration
- Sample Type: drill
- Mining Method: unknown

#### QA/QC

- QA/QC Disclosed: Yes
- Lab Certified: No
- QP Signed: Yes
- QA/QC Methods: gamma\_logging, pfn\_logging

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Cutoff Grade: 0.02
- Cutoff Unit: % U3O8
- Dilution Disclosed: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2012-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-16T00:00:00.000Z

Reasoning: The intercept shows high-grade uranium mineralization suitable for in-situ recovery, extending known productive zones at the Alta Mesa East Project, with technical disclosure reviewed by a Qualified Person.

- Positive factor: high\_grade\_for\_isr

- Positive factor: extends\_known\_mineralization

- Positive factor: proximity\_to\_processing\_plant

- Positive factor: qp\_signoff

- Positive factor: true\_thickness\_approximated\_due\_to\_flat\_dipping\_strata

- Negative factor: no\_specific\_true\_width\_reported

Evidence · table

> 0.175

Context: 5.5

### 12-26

[Link to this fact](https://atlas-staging.minestarters.com/news/encore-energy-reports-high-grade-uranium-mineralization-at-alta-mesa-east-projec--f2d6be97-7583-4f96-af1a-e9a7303d3462#fact-drill-facts-8)

Alta Mesa East Project · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: 12-26
- Project: Alta Mesa East Project
- Commodity: uranium
- Region: south texas
- Reported Region: South Texas
- Ticker: EU

#### Geometry

- Grade: 0.106
- Grade Unit: % U3O8
- Intercept: 1.2192 m
- Intercept Depth: 132.588 m

#### Classification

- Program: exploration
- Sample Type: drill
- Mining Method: unknown

#### QA/QC

- QA/QC Disclosed: Yes
- Lab Certified: No
- QP Signed: Yes
- QA/QC Methods: gamma\_logging, pfn\_logging

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Cutoff Grade: 0.02
- Cutoff Unit: % U3O8
- Dilution Disclosed: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2012-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-16T00:00:00.000Z

Reasoning: The intercept shows high-grade uranium mineralization suitable for in-situ recovery, extending known productive zones at the Alta Mesa East Project, with technical disclosure reviewed by a Qualified Person.

- Positive factor: high\_grade\_for\_isr

- Positive factor: extends\_known\_mineralization

- Positive factor: proximity\_to\_processing\_plant

- Positive factor: qp\_signoff

- Positive factor: true\_thickness\_approximated\_due\_to\_flat\_dipping\_strata

- Negative factor: no\_specific\_true\_width\_reported

Evidence · table

> 0.106

Context: 4.0

### 12-40

[Link to this fact](https://atlas-staging.minestarters.com/news/encore-energy-reports-high-grade-uranium-mineralization-at-alta-mesa-east-projec--f2d6be97-7583-4f96-af1a-e9a7303d3462#fact-drill-facts-9)

Alta Mesa East Project · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: 12-40
- Project: Alta Mesa East Project
- Commodity: uranium
- Region: south texas
- Reported Region: South Texas
- Ticker: EU

#### Geometry

- Grade: 0.042
- Grade Unit: % U3O8
- Intercept: 0.6096 m
- Intercept Depth: 123.5964 m

#### Classification

- Program: exploration
- Sample Type: drill
- Mining Method: unknown

#### QA/QC

- QA/QC Disclosed: Yes
- Lab Certified: No
- QP Signed: Yes
- QA/QC Methods: gamma\_logging, pfn\_logging

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Cutoff Grade: 0.02
- Cutoff Unit: % U3O8
- Dilution Disclosed: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2012-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-16T00:00:00.000Z

Reasoning: The intercept shows high-grade uranium mineralization suitable for in-situ recovery, extending known productive zones at the Alta Mesa East Project, with technical disclosure reviewed by a Qualified Person.

- Positive factor: high\_grade\_for\_isr

- Positive factor: extends\_known\_mineralization

- Positive factor: proximity\_to\_processing\_plant

- Positive factor: qp\_signoff

- Positive factor: true\_thickness\_approximated\_due\_to\_flat\_dipping\_strata

- Negative factor: no\_specific\_true\_width\_reported

Evidence · table

> 0.042

Context: 2.0

### 12-25

[Link to this fact](https://atlas-staging.minestarters.com/news/encore-energy-reports-high-grade-uranium-mineralization-at-alta-mesa-east-projec--f2d6be97-7583-4f96-af1a-e9a7303d3462#fact-drill-facts-10)

Alta Mesa East Project · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: 12-25
- Project: Alta Mesa East Project
- Commodity: uranium
- Region: south texas
- Reported Region: South Texas
- Ticker: EU

#### Geometry

- Grade: 0.094
- Grade Unit: % U3O8
- Intercept: 1.8288 m
- Intercept Depth: 134.5692 m

#### Classification

- Program: exploration
- Sample Type: drill
- Mining Method: unknown

#### QA/QC

- QA/QC Disclosed: Yes
- Lab Certified: No
- QP Signed: Yes
- QA/QC Methods: gamma\_logging, pfn\_logging

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Cutoff Grade: 0.02
- Cutoff Unit: % U3O8
- Dilution Disclosed: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2012-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-16T00:00:00.000Z

Reasoning: The intercept shows high-grade uranium mineralization suitable for in-situ recovery, extending known productive zones at the Alta Mesa East Project, with technical disclosure reviewed by a Qualified Person.

- Positive factor: high\_grade\_for\_isr

- Positive factor: extends\_known\_mineralization

- Positive factor: proximity\_to\_processing\_plant

- Positive factor: qp\_signoff

- Positive factor: true\_thickness\_approximated\_due\_to\_flat\_dipping\_strata

- Negative factor: no\_specific\_true\_width\_reported

Evidence · table

> 0.094

Context: 6.0

### 12-25

[Link to this fact](https://atlas-staging.minestarters.com/news/encore-energy-reports-high-grade-uranium-mineralization-at-alta-mesa-east-projec--f2d6be97-7583-4f96-af1a-e9a7303d3462#fact-drill-facts-11)

Alta Mesa East Project · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: 12-25
- Project: Alta Mesa East Project
- Commodity: uranium
- Region: south texas
- Reported Region: South Texas
- Ticker: EU

#### Geometry

- Grade: 0.032
- Grade Unit: % U3O8
- Intercept: 0.9144 m
- Intercept Depth: 137.16 m

#### Classification

- Program: exploration
- Sample Type: drill
- Mining Method: unknown

#### QA/QC

- QA/QC Disclosed: Yes
- Lab Certified: No
- QP Signed: Yes
- QA/QC Methods: gamma\_logging, pfn\_logging

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Cutoff Grade: 0.02
- Cutoff Unit: % U3O8
- Dilution Disclosed: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2012-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-16T00:00:00.000Z

Reasoning: The intercept shows high-grade uranium mineralization suitable for in-situ recovery, extending known productive zones at the Alta Mesa East Project, with technical disclosure reviewed by a Qualified Person.

- Positive factor: high\_grade\_for\_isr

- Positive factor: extends\_known\_mineralization

- Positive factor: proximity\_to\_processing\_plant

- Positive factor: qp\_signoff

- Positive factor: true\_thickness\_approximated\_due\_to\_flat\_dipping\_strata

- Negative factor: no\_specific\_true\_width\_reported

Evidence · table

> 0.032

Context: 3.0

### 12-54

[Link to this fact](https://atlas-staging.minestarters.com/news/encore-energy-reports-high-grade-uranium-mineralization-at-alta-mesa-east-projec--f2d6be97-7583-4f96-af1a-e9a7303d3462#fact-drill-facts-12)

Alta Mesa East Project · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: 12-54
- Project: Alta Mesa East Project
- Commodity: uranium
- Region: south texas
- Reported Region: South Texas
- Ticker: EU

#### Geometry

- Grade: 0.043
- Grade Unit: % U3O8
- Intercept: 1.0668 m
- Intercept Depth: 125.1456 m

#### Classification

- Program: exploration
- Sample Type: drill
- Mining Method: unknown

#### QA/QC

- QA/QC Disclosed: Yes
- Lab Certified: No
- QP Signed: Yes
- QA/QC Methods: gamma\_logging, pfn\_logging

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Cutoff Grade: 0.02
- Cutoff Unit: % U3O8
- Dilution Disclosed: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2012-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-16T00:00:00.000Z

Reasoning: The intercept shows high-grade uranium mineralization suitable for in-situ recovery, extending known productive zones at the Alta Mesa East Project, with technical disclosure reviewed by a Qualified Person.

- Positive factor: high\_grade\_for\_isr

- Positive factor: extends\_known\_mineralization

- Positive factor: proximity\_to\_processing\_plant

- Positive factor: qp\_signoff

- Positive factor: true\_thickness\_approximated\_due\_to\_flat\_dipping\_strata

- Negative factor: no\_specific\_true\_width\_reported

Evidence · table

> 0.043

Context: 3.5

### 12-57

[Link to this fact](https://atlas-staging.minestarters.com/news/encore-energy-reports-high-grade-uranium-mineralization-at-alta-mesa-east-projec--f2d6be97-7583-4f96-af1a-e9a7303d3462#fact-drill-facts-13)

Alta Mesa East Project · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: 12-57
- Project: Alta Mesa East Project
- Commodity: uranium
- Region: south texas
- Reported Region: South Texas
- Ticker: EU

#### Geometry

- Grade: 0.087
- Grade Unit: % U3O8
- Intercept: 1.6764 m
- Intercept Depth: 127.254 m

#### Classification

- Program: exploration
- Sample Type: drill
- Mining Method: unknown

#### QA/QC

- QA/QC Disclosed: Yes
- Lab Certified: No
- QP Signed: Yes
- QA/QC Methods: gamma\_logging, pfn\_logging

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Cutoff Grade: 0.02
- Cutoff Unit: % U3O8
- Dilution Disclosed: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2012-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-16T00:00:00.000Z

Reasoning: The intercept shows high-grade uranium mineralization suitable for in-situ recovery, extending known productive zones at the Alta Mesa East Project, with technical disclosure reviewed by a Qualified Person.

- Positive factor: high\_grade\_for\_isr

- Positive factor: extends\_known\_mineralization

- Positive factor: proximity\_to\_processing\_plant

- Positive factor: qp\_signoff

- Positive factor: true\_thickness\_approximated\_due\_to\_flat\_dipping\_strata

- Negative factor: no\_specific\_true\_width\_reported

Evidence · table

> 0.087

Context: 5.5

### 12-57

[Link to this fact](https://atlas-staging.minestarters.com/news/encore-energy-reports-high-grade-uranium-mineralization-at-alta-mesa-east-projec--f2d6be97-7583-4f96-af1a-e9a7303d3462#fact-drill-facts-14)

Alta Mesa East Project · uranium

Historical result

Needs review: historical\_restatement

#### Identity

- Hole ID: 12-57
- Project: Alta Mesa East Project
- Commodity: uranium
- Region: south texas
- Reported Region: South Texas
- Ticker: EU

#### Geometry

- Grade: 0.099
- Grade Unit: % U3O8
- Intercept: 2.4384 m
- Intercept Depth: 147.3708 m

#### Classification

- Program: exploration
- Sample Type: drill
- Mining Method: unknown

#### QA/QC

- QA/QC Disclosed: Yes
- Lab Certified: No
- QP Signed: Yes
- QA/QC Methods: gamma\_logging, pfn\_logging

#### Deleterious

- Deleterious Flag: No

#### Compositing

- Cutoff Grade: 0.02
- Cutoff Unit: % U3O8
- Dilution Disclosed: No

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Interp. Status: scored
- Historical: Yes
- Historical Source Date: 2012-01-01T00:00:00.000Z

#### Dates

- Event date: 2026-06-16T00:00:00.000Z

Reasoning: The intercept shows high-grade uranium mineralization suitable for in-situ recovery, extending known productive zones at the Alta Mesa East Project, with technical disclosure reviewed by a Qualified Person.

- Positive factor: high\_grade\_for\_isr

- Positive factor: extends\_known\_mineralization

- Positive factor: proximity\_to\_processing\_plant

- Positive factor: qp\_signoff

- Positive factor: true\_thickness\_approximated\_due\_to\_flat\_dipping\_strata

- Negative factor: no\_specific\_true\_width\_reported

Evidence · table

> 0.099

Context: 8.0

## 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.