Meridian Mining shares jump 10% as Cabaçal study points to $2bn value
Original announcement by proactiveinvestors on
- 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
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
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 factors
- High NPV of $2.09 billion
- Exceptional IRR of 108%
- Rapid payback period of 0.9 years
- Strong value-to-cost ratio
- Significant revenue generation of $5.4 billion
Facts used in scoring: 7
Classification and evidence
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&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 Updateneutral
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 1View all detailsHide details
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 factors
- High NPV
Evidence · text
“after-tax net present value at $2.09 billion”
Tags used in scoring
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
No QP/CP Disclosurenegative
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-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
Fact 2View all detailsHide details
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 factors
- Exceptional IRR
Evidence · text
“internal rate of return of 108%”
Tags used in scoring
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
No QP/CP Disclosurenegative
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-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
Fact 3View all detailsHide details
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 factors
- Rapid payback
Evidence · text
“initial outlay would be recovered in 0.9 years”
Tags used in scoring
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
No QP/CP Disclosurenegative
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-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
Fact 4View all detailsHide details
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
No QP/CP Disclosurenegative
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-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
Fact 5View all detailsHide details
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 factors
- High total revenue
Evidence · text
“generate revenue of $5.4 billion”
Tags used in scoring
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
No QP/CP Disclosurenegative
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-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
Fact 6View all detailsHide details
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 factors
- Low AISC
Evidence · text
“All-in sustaining costs... were put at $1,056”
Tags used in scoring
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
No QP/CP Disclosurenegative
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-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
Fact 7View all detailsHide details
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
No QP/CP Disclosurenegative
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-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&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.