# Meridian Mining shares jump 10% as Cabaçal study points to $2bn value

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/meridian-mining-shares-jump-10-as-cabac-al-study-points-to-2bn-value--5aba4e06-cade-489d-b3b1-c8166653cd15

Original source: https://www.proactiveinvestors.com/companies/news/1098875/meridian-mining-shares-jump-10-as-cabacal-study-points-to-2bn-value-1098875.html

Publisher: proactiveinvestors

Original announcement: 2026-09-22T11:15:45.589Z

Analysis by Minestarters Atlas

Atlas analysis published: 2026-09-22T11:17:25.408Z

Atlas analysis updated: 2026-09-22T11:17:25.408Z

- Company: Meridian Mining Plc

- Ticker: MNO

- Exchange: Unavailable

- Region: Brazil

- Primary commodity: Gold

- Secondary commodities: Copper, Silver

- Document categories: Resource update

- Extracted: 2026-09-22 11:17:26 UTC

Narrative sentiment: 1.00 · Bullish

## Minestarters Atlas summary

Meridian Mining has released a definitive feasibility study for its Cabaçal gold-copper-silver project in Brazil, valuing it at an after-tax NPV of $2.09 billion. The study reports an impressive 108% IRR and a payback period of just 0.9 years, superseding a previous 2025 assessment with improved economics and reserves.

Reasoning: The definitive feasibility study \(DFS\) shows exceptional economic metrics including a very high IRR and rapid payback, significantly improving upon the previous assessment.

- Positive factor: High NPV of $2.09 billion

- Positive factor: Exceptional IRR of 108%

- Positive factor: Rapid payback period of 0.9 years

- Positive factor: Strong value-to-cost ratio

- Positive factor: Significant revenue generation of $5.4 billion

Facts used in scoring: 7

## Classification and evidence

**DFS-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&amp;I confidence.

Why it applies: The announcement details the results of a definitive feasibility study \(DFS\) for the Cabaçal project.

Evidence · text

> definitive feasibility study valued its Cabaçal gold-copper-silver project

**Resource Update**

Polarity: neutral

Definition: Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: The DFS supersedes an earlier assessment from March 2025 with improved economics and reserves.

Evidence · text

> The definitive study supersedes an earlier assessment from March 2025

## Extracted facts

Stored fact records: 7. Some facts used in scoring do not have a stored record.

## Resource Estimates (7)

### Fact 1

[Link to this fact](https://atlas-staging.minestarters.com/news/meridian-mining-shares-jump-10-as-cabac-al-study-points-to-2bn-value--5aba4e06-cade-489d-b3b1-c8166653cd15#fact-resource-facts-0)

#### Identity

- Region: brazil
- Reported Region: Brazil
- Ticker: MNO

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-22T00:00:00.000Z

Reasoning: The DFS reports a very high net present value for the project.

- Positive factor: High NPV

Evidence · text

> after-tax net present value at $2.09 billion

#### Tags used in scoring

**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

**DFS-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&amp;I confidence.

Why it applies: the release names the study this estimate supports

### Fact 2

[Link to this fact](https://atlas-staging.minestarters.com/news/meridian-mining-shares-jump-10-as-cabac-al-study-points-to-2bn-value--5aba4e06-cade-489d-b3b1-c8166653cd15#fact-resource-facts-1)

#### Identity

- Region: brazil
- Reported Region: Brazil
- Ticker: MNO

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-22T00:00:00.000Z

Reasoning: An IRR of 108% is exceptionally high for a mining development.

- Positive factor: Exceptional IRR

Evidence · text

> internal rate of return of 108%

#### Tags used in scoring

**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

**DFS-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&amp;I confidence.

Why it applies: the release names the study this estimate supports

### Fact 3

[Link to this fact](https://atlas-staging.minestarters.com/news/meridian-mining-shares-jump-10-as-cabac-al-study-points-to-2bn-value--5aba4e06-cade-489d-b3b1-c8166653cd15#fact-resource-facts-2)

#### Identity

- Region: brazil
- Reported Region: Brazil
- Ticker: MNO

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-22T00:00:00.000Z

Reasoning: A payback period under one year is extremely attractive.

- Positive factor: Rapid payback

Evidence · text

> initial outlay would be recovered in 0.9 years

#### Tags used in scoring

**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

**DFS-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&amp;I confidence.

Why it applies: the release names the study this estimate supports

### Fact 4

[Link to this fact](https://atlas-staging.minestarters.com/news/meridian-mining-shares-jump-10-as-cabac-al-study-points-to-2bn-value--5aba4e06-cade-489d-b3b1-c8166653cd15#fact-resource-facts-3)

#### Identity

- Region: brazil
- Reported Region: Brazil
- Ticker: MNO

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-22T00:00:00.000Z

Reasoning: Reported initial capital expenditure for the project.

Evidence · text

> Initial capital spending was pegged at $322 million

#### Tags used in scoring

**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

**DFS-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&amp;I confidence.

Why it applies: the release names the study this estimate supports

### Fact 5

[Link to this fact](https://atlas-staging.minestarters.com/news/meridian-mining-shares-jump-10-as-cabac-al-study-points-to-2bn-value--5aba4e06-cade-489d-b3b1-c8166653cd15#fact-resource-facts-4)

#### Identity

- Region: brazil
- Reported Region: Brazil
- Ticker: MNO

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-22T00:00:00.000Z

Reasoning: Projected lifetime revenue is substantial.

- Positive factor: High total revenue

Evidence · text

> generate revenue of $5.4 billion

#### Tags used in scoring

**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

**DFS-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&amp;I confidence.

Why it applies: the release names the study this estimate supports

### Fact 6

[Link to this fact](https://atlas-staging.minestarters.com/news/meridian-mining-shares-jump-10-as-cabac-al-study-points-to-2bn-value--5aba4e06-cade-489d-b3b1-c8166653cd15#fact-resource-facts-5)

#### Identity

- Region: brazil
- Reported Region: Brazil
- Ticker: MNO

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-22T00:00:00.000Z

Reasoning: AISC of $1,056/oz gold is competitive.

- Positive factor: Low AISC

Evidence · text

> All-in sustaining costs... were put at $1,056

#### Tags used in scoring

**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

**DFS-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&amp;I confidence.

Why it applies: the release names the study this estimate supports

### Fact 7

[Link to this fact](https://atlas-staging.minestarters.com/news/meridian-mining-shares-jump-10-as-cabac-al-study-points-to-2bn-value--5aba4e06-cade-489d-b3b1-c8166653cd15#fact-resource-facts-6)

#### Identity

- Region: brazil
- Reported Region: Brazil
- Ticker: MNO

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2026-09-22T00:00:00.000Z

Reasoning: The study uses a conservative gold price assumption relative to spot.

Evidence · text

> assumed a gold price of $3,570 an ounce

#### Tags used in scoring

**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

**DFS-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&amp;I confidence.

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.
