Roxmore Resources Announces a Positive Preliminary Economic Assessment for the Converse Gold Project in Nevada

Original announcement by tmx on

Company
Roxmore Resources Inc.
Ticker
RM
Exchange
TSX
Region
Nevada
Primary commodity
Gold
Secondary commodities
Silver, Copper
Document categories
Resource update, Economic study, Metallurgy
Extracted
2026-09-18 18:41:16 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Roxmore Resources has released a Preliminary Economic Assessment (PEA) for the Converse Gold Project in Nevada, projecting an after-tax NPV5% of US$2.7 billion and an IRR of 43% at a US$3,600/oz gold price. The project features a 14-year life of mine using an open-pit heap leach method, supported by an updated Mineral Resource Estimate of 321 Mt (103 Mt Indicated, 218 Mt Inferred).

Reasoning: The announcement of a high-margin PEA for a large-scale gold project in Nevada is highly material, though the high Inferred component and lack of silver in the MRE warrant caution.

Positive factors

  • Strong economics with 43% IRR and US$2.7B NPV5% at consensus gold price
  • Large scale resource (518 Mt total)
  • Tier 1 jurisdiction (Nevada)
  • Simple heap leach processing route

Negative factors

  • High proportion of Inferred resources (61% of total tonnage)
  • PEA is preliminary and includes speculative Inferred resources
  • Silver not currently included in MRE due to data limitations

Facts used in scoring: 4

Classification and evidence

PEA Onlyneutral

Only Class 4 / Initial Assessment economics available. Not bankable.

Why it applies: The document reports a Preliminary Economic Assessment (PEA) which is a Class 4 study.

Evidence · text

“results of its Preliminary Economic Assessment ("PEA")”

Inferred Heavy Feednegative

Material Inferred share of LOM mill feed, or the share is undisclosed.

Why it applies: Inferred resources make up 218 Mt of the 318 Mt total resource (approx 68%).

Evidence · text

“Inferred Mineral Resource estimate of 218 Mt”

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: The PEA was prepared in accordance with NI 43-101 standards.

Evidence · text

“The PEA was prepared in accordance with the disclosure standards of NI 43-101.”

Heap Leach Routeneutral

Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: The project envisages an open pit heap-leach mine.

Evidence · text

“The PEA envisages an open pit heap-leach mine”

Cut-off Disclosedpositive

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

Why it applies: A current resource fact retains the disclosed cut-off grade

Resource Updateneutral

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

Why it applies: The source explicitly discloses a revised resource estimate

Evidence · text

“updated Mineral Resource Estimate”

Mill Routeneutral

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

Why it applies: the document describes a mill_cil route ("agitated leach")

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

Resource Estimates (2)

indicatedConverse Gold Project · goldTonnes: 103000000Grade: 0.65Grade Unit: g/tContained Metal: 2162000Contained Unit: kozView all details
Link to this fact

Identity

Project
Converse Gold Project
Commodity
gold
Region
usa_nv
Reported Region
Nevada
Ticker
RM

Resource scope

Estimate type
resource
Effective date
2026-03-31T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
April Barrios
Resource group id
resource:b9cc6a8656d567156b97
Mining method
open_pit
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
103000000
Grade
0.65
Grade Unit
g/t
Contained Metal
2162000
Contained Unit
koz
Cutoff Grade
0.18
Cutoff Unit
g/t

Prior Estimate

Resource Date
2026-03-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-20T00:00:00.000Z

Reasoning: Significant resource scale but heavily weighted towards Inferred category.

Positive factors

  • Large tonnage

Negative factors

  • High Inferred component

Evidence · text

“Indicated Mineral Resource estimate ("MRE") of 103 million tonnes (Mt) at an average gold grade of 0.65 g/t, containing 2.16 million ounces (Moz) Au”

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

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

inferredConverse Gold Project · goldTonnes: 218000000Grade: 0.43Grade Unit: g/tContained Metal: 3.04Contained Unit: mozView all details
Link to this fact

Identity

Project
Converse Gold Project
Commodity
gold
Region
usa_nv
Reported Region
Nevada
Ticker
RM

Resource scope

Estimate type
resource
Effective date
2026-03-31T00:00:00.000Z
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
April Barrios
Resource group id
resource:ee87f3e04949b07455ba
Mining method
open_pit
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
218000000
Grade
0.43
Grade Unit
g/t
Contained Metal
3.04
Contained Unit
moz
Cutoff Grade
0.18
Cutoff Unit
g/t

Prior Estimate

Resource Date
2026-03-31

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-20T00:00:00.000Z

Reasoning: Inferred resource provides scale but lacks geological confidence.

Negative factors

  • Speculative category

Evidence · text

“Inferred Mineral Resource estimate of 218 Mt at an average gold grade of 0.43 g/t containing 3.04 Moz Au.”

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

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

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)

column leachConverse Gold Project · goldRecovery: 70.9 %View all details
Link to this fact

Identity

Project
Converse Gold Project
Commodity
gold
Region
usa_nv
Reported Region
Nevada
Ticker
RM

Test Work

Program Status
preliminary
Test Type
column leach
Processing Route
heap leach
Sample
LOM average across all material types

Recovery

Recovery
70.9 %
Recovery Basis
actual_test

Reagents

Cyanide
0.64 kg/t
Lime
6 kg/t

Review

Needs Review
No
Historical
No

Dates

Event date
2026-04-20T00:00:00.000Z

Reasoning: Standard heap leach recovery reported.

Positive factors

  • Amenable to conventional heap leach

Evidence · text

“LOM Recoveries: average 70.9% across all material types”

Tags used in scoring

Heap Leach Routeneutral

Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing_route matches the heap_leach signal

Byproduct Commodityneutral

The tested commodity is a byproduct rather than the primary economic driver.

Why it applies: the release describes a byproduct credit

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.