SKM: Zaranou MRE Grows by 228% to 1.20M Oz Au

Original announcement by asx on

Company
Skylark Minerals Limited
Ticker
SKM
Exchange
ASX
Region
Côte d’Ivoire
Primary commodity
Gold
Secondary commodities
None reported
Document categories
Resource update, Agreement transaction, Metallurgy
Extracted
2026-10-18 23:17:00 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Skylark Minerals has updated the Zaranou Gold Project Mineral Resource Estimate to 29.0Mt at 1.28g/t Au (1.20Moz Au), a 228% increase from the previous estimate. The company also secured a binding agreement to accelerate its ownership of the project from 51% to 90% for USD $1.2 million.

Reasoning: The announcement reports a massive expansion of the Zaranou gold resource driven by new drilling, alongside a strategic agreement to increase project ownership.

Positive factors

  • Significant tonnage and contained metal growth (228% increase)
  • Low discovery cost of <A$9/oz
  • Binding agreement to increase ownership to 90%
  • Strong grade retention at higher cut-offs

Negative factors

  • 100% Inferred classification (high geological risk)
  • Resource is entirely Inferred

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

Facts used in scoring: 5

Classification and evidence

All Inferrednegative

100% of resource is Inferred category — very early stage, no engineering confidence.

Why it applies: The entire Mineral Resource is classified as Inferred.

Evidence · text

“All Mineral Resources are classified as Inferred”

Tonnage Growthpositive

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

Why it applies: Resource tonnage increased significantly from previous levels.

Evidence · text

“ZARANOU GOLD RESOURCE INCREASES BY 228% TO 1.20MOZ”

QP/CP Signedpositive

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: Shaun Searle of Ashmore Advisory is named as the Competent Person.

Evidence · text

“The MRE was prepared by Shaun Searle of Ashmore Advisory Pty Ltd, an independent Resource Consultant and Competent Person.”

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: The resource is reported in accordance with the JORC Code (2012 Edition).

Evidence · text

“in accordance with the JORC Code (2012 Edition)”

Mill Routeneutral

Processing via mill or concentrator (CIL, CIP, tank leach, flotation).

Why it applies: the document describes a flotation route ("concentrate")

Gravity Routeneutral

Gravity separation forms a material part of the flowsheet.

Why it applies: the document describes a gravity route ("gravity")

Single Domain Onlynegative

Testing limited to one composite or domain — representativeness not established.

Why it applies: only one composite was tested

Extracted facts

Stored fact records: 5. Some facts used in scoring do not have a stored record.

Resource Estimates (4)

inferredZaranou Gold Project · goldTonnes: 29000000Grade: 1.28Grade Unit: g/tContained Metal: 1196000Contained Unit: oz auView all details
Link to this fact

Identity

Project
Zaranou Gold Project
Commodity
gold
Region
côte d’ivoire
Reported Region
Côte d’Ivoire
Ticker
SKM

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Shaun Searle
Resource group id
resource:fdb8e9795a035502c65a
Deposit or zone
Zaranou
Mining method
open_pit
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
inferred
Tonnes
29000000
Grade
1.28
Grade Unit
g/t
Contained Metal
1196000
Contained Unit
oz au
Cutoff Grade
0.5
Cutoff Unit
g/t Au

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Major resource expansion driven by new drilling.

Positive factors

  • Massive scale increase

Negative factors

  • Entirely Inferred

Evidence · text

“The updated Inferred MRE comprises 29.0Mt at 1.28g/t Au for 1.20Moz gold”

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Disclosedpositive

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

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

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

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

inferredZaranou Gold Project · goldTonnes: 24000000Grade: 1.13Grade Unit: g/tContained Metal: 872600Contained Unit: oz auView all details
Link to this fact

Identity

Project
Zaranou Gold Project
Commodity
gold
Region
côte d’ivoire
Reported Region
Côte d’Ivoire
Ticker
SKM

Resource scope

Estimate type
resource
Reporting standards
jorc
Resource group id
resource:9b9c2670b25be16d1e43
Deposit or zone
M’Basso
Mining method
open_pit

Resource Data

Category
inferred
Tonnes
24000000
Grade
1.13
Grade Unit
g/t
Contained Metal
872600
Contained Unit
oz au

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Primary contributor to the resource growth.

Evidence · table

“872,600”

Context: 24.0

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

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

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

inferredZaranou Gold Project · goldTonnes: 5000000Grade: 1.91Grade Unit: g/tContained Metal: 307000Contained Unit: oz auView all details
Link to this fact

Identity

Project
Zaranou Gold Project
Commodity
gold
Region
côte d’ivoire
Reported Region
Côte d’Ivoire
Ticker
SKM

Resource scope

Estimate type
resource
Reporting standards
jorc
Resource group id
resource:ed9432572df00febbe8b
Deposit or zone
Ehuasso
Mining method
open_pit

Resource Data

Category
inferred
Tonnes
5000000
Grade
1.91
Grade Unit
g/t
Contained Metal
307000
Contained Unit
oz au

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Significant secondary deposit.

Evidence · table

“307,000”

Context: 5.0

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

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

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

inferredZaranou Gold Project · goldTonnes: 100000Grade: 10.26Grade Unit: g/tContained Metal: 16500Contained Unit: oz auView all details
Link to this fact

Identity

Project
Zaranou Gold Project
Commodity
gold
Region
côte d’ivoire
Reported Region
Côte d’Ivoire
Ticker
SKM

Resource scope

Estimate type
resource
Reporting standards
jorc
Resource group id
resource:724b4baa5ee0e383ebd6
Deposit or zone
CoČee Bean
Mining method
open_pit

Resource Data

Category
inferred
Tonnes
100000
Grade
10.26
Grade Unit
g/t
Contained Metal
16500
Contained Unit
oz au

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: High grade but low tonnage.

Evidence · table

“16,500”

Context: 0.1

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

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

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

Metallurgical Results (1)

LeachWELLZaranou Gold Project · goldRecovery: 95 %View all details
Link to this fact

Identity

Project
Zaranou Gold Project
Commodity
gold
Region
côte d’ivoire
Reported Region
Côte d’Ivoire
Ticker
SKM

Test Work

Program Status
preliminary
Test Type
LeachWELL
Processing Route
LeachWELL
Sample
oxide and fresh mineralised samples from the 2026 M’Basso drilling programme

Recovery

Recovery
95 %
Recovery Basis
actual_test

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-18T00:00:00.000Z

Reasoning: Encouraging preliminary recovery results across multiple domains.

Evidence · text

“95% average LeachWELL gold extraction across oxide and fresh mineralised samples”

Tags used in scoring

High Recoverypositive

Recovery at or above the exceptional band for the commodity and processing route.

Why it applies: 95% is at or above the exceptional band (95%)

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.