Meridian’s Cabaçal value doubles on higher prices

Original announcement by northernminer on

Company
Meridian Mining
Ticker
MNO
Exchange
Unavailable
Region
Brazil
Primary commodity
Gold
Secondary commodities
Copper, Silver
Document categories
Resource update, Production
Extracted
2026-09-22 16:49:54 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Meridian Mining has released a feasibility study for its Cabaçal gold-copper project in Brazil, reporting an after-tax NPV of $2.09 billion. The study shows a 34% increase in reserve tonnage compared to the previous prefeasibility study, though the valuation is significantly bolstered by higher metal price assumptions.

Reasoning: The feasibility study shows substantial growth in project value and reserves, though much of the NPV uplift is driven by higher commodity price assumptions.

Positive factors

  • Significant NPV increase to $2.09B
  • High IRR of 108%
  • Reserve tonnage growth of 34% vs prior study
  • Robust gold-equivalent annual production

Negative factors

  • Value increase heavily reliant on higher metal-price assumptions
  • Increased initial capital expenditure compared to PFS

Facts used in scoring: 3

Classification and evidence

Tonnage Growthpositive

Significant tonnage increase (≥15%) vs prior estimate with grade maintained or improved.

Why it applies: Reserve tonnage is 34% higher than the 41.7 million tonnes used in last year’s study.

Evidence · text

“Reserve tonnage is 34% higher than the 41.7 million tonnes used in last year’s study.”

Resource Updateneutral

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

Why it applies: The document reports a new feasibility study update for the Cabaçal project.

Evidence · text

“in a new feasibility study”

Extracted facts

Stored fact records: 3. Some facts used in scoring do not have a stored record.

Resource Estimates (3)

probableCabaçal · goldTonnes: 56040000Grade: 0.61Grade Unit: g/tContained Metal: 1110000Contained Unit: ozView all details
Link to this fact

Identity

Project
Cabaçal
Commodity
gold
Region
brazil
Reported Region
Brazil
Ticker
MNO

Resource scope

Estimate type
reserve
Resource group id
resource:c4c5e6d52935b53dd19d
Deposit or zone
Cabaçal
Mining method
open_pit
Material type
vms
Resource basis
gross

Resource Data

Category
probable
Tonnes
56040000
Grade
0.61
Grade Unit
g/t
Contained Metal
1110000
Contained Unit
oz

Review

Needs Review
No
Historical
No

Dates

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

Reasoning: Strong reserve grade and tonnage for a VMS deposit.

Positive factors

  • Significant contained gold of 1.11 Moz

Evidence · text

“56.04 million proven and probable tonnes grading 0.61 gram gold per tonne, 0.35% copper and 1.33 grams silver”

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

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 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

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

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

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

probableCabaçal · copperTonnes: 56040000Grade: 0.35Grade Unit: %Contained Metal: 430000000Contained Unit: lbView all details
Link to this fact

Identity

Project
Cabaçal
Commodity
copper
Region
brazil
Reported Region
Brazil
Ticker
MNO

Resource scope

Estimate type
reserve
Resource group id
resource:c4c5e6d52935b53dd19d
Deposit or zone
Cabaçal
Mining method
open_pit
Material type
vms
Resource basis
gross

Resource Data

Category
probable
Tonnes
56040000
Grade
0.35
Grade Unit
%
Contained Metal
430000000
Contained Unit
lb

Review

Needs Review
No
Historical
No

Dates

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

Reasoning: Solid copper grade for a polymetallic VMS reserve.

Positive factors

  • Significant copper content

Evidence · text

“56.04 million proven and probable tonnes grading 0.61 gram gold per tonne, 0.35% copper and 1.33 grams silver”

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

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 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

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

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

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

probableCabaçal · silverTonnes: 56040000Grade: 1.33Grade Unit: g/tContained Metal: 2390000Contained Unit: ozView all details
Link to this fact

Identity

Project
Cabaçal
Commodity
silver
Region
brazil
Reported Region
Brazil
Ticker
MNO

Resource scope

Estimate type
reserve
Resource group id
resource:c4c5e6d52935b53dd19d
Deposit or zone
Cabaçal
Mining method
open_pit
Material type
vms
Resource basis
gross

Resource Data

Category
probable
Tonnes
56040000
Grade
1.33
Grade Unit
g/t
Contained Metal
2390000
Contained Unit
oz

Review

Needs Review
No
Historical
No

Dates

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

Reasoning: Valuable silver credits included in the reserve.

Positive factors

  • Significant silver byproduct

Evidence · text

“56.04 million proven and probable tonnes grading 0.61 gram gold per tonne, 0.35% copper and 1.33 grams silver”

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

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 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

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

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

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.