Monument Murchison Gold Project Update

Original announcement by tmx on

Company
Monument Mining Limited
Ticker
MMY
Exchange
TSX
Region
Western Australia
Primary commodity
Gold
Secondary commodities
None reported
Document categories
Metallurgy, Other
Extracted
2026-08-23 22:59:10 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Monument Mining is implementing a two-phase metallurgical approach at the Murchison Gold Project, utilizing a mill for high-grade material (≥3.5-4.0 g/t Au) and a heap leach facility for low-grade material. The company is also conducting crushing circuit trials and planning an exploration program for 2016 to expand the mineralized footprint.

Reasoning: The company is optimizing its processing flowsheet by implementing a dual-track approach (milling for high-grade, heap leach for low-grade) to improve project economics.

Positive factors

  • Two-phase processing approach (milling + heap leach) to maximize recovery
  • Planned heap leach start-up by end of 2016
  • Potential capital savings from crushing circuit optimization

Negative factors

  • Requirement for additional crushing equipment trials
  • Need for plant overhaul and mill re-start

Facts used in scoring: 2

Atlas analysis — Monument Mining Limited: Monument Murchison Gold Project Update

Classification and evidence

Mill Routeneutral

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

Why it applies: The company confirmed a two-phase approach involving milling of higher grade material.

Evidence · text

“involving milling of higher grade and heap leach of low-grade material”

Heap Leach Routeneutral

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

Why it applies: The company is constructing a heap leach facility for low-grade material.

Evidence · text

“heap leaching of low-grade material”

QA/QC Disclosedpositive · Story-specific tag

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: The release mentions a Qualified Person (Darryl Mapleson) and compliance with NI 43-101/JORC.

Evidence · text

“reviewed and approved by Darryl Mapleson (BSc. (Hons), FAusIMM) who is a qualified Geologist... and is a Qualified Person”

Extracted facts

Stored fact records: 2. Some facts used in scoring do not have a stored record.

Metallurgical Results (2)

Fact 1goldHead Grade: 3.5Head Grade Unit: gptView all details
Link to this fact

Identity

Commodity
gold
Ticker
MMY

Test Work

Sample
high grade material for process plant

Recovery

Head Grade
3.5
Head Grade Unit
gpt

Review

Needs Review
No
Historical
No

Dates

Event date
2015-08-17T00:00:00.000Z

Reasoning: Threshold established for milling to maximize recovery.

Positive factors

  • Targeted for optimum recovery via mill

Evidence · text

“material grading approximately 3.5 - 4.0 Au grams per tonne ("gpt") or greater will be treated via the process plant”
Fact 2goldHead Grade: 4Head Grade Unit: gptView all details
Link to this fact

Identity

Commodity
gold
Ticker
MMY

Test Work

Sample
low grade material for heap leach

Recovery

Head Grade
4
Head Grade Unit
gpt

Review

Needs Review
No
Historical
No

Dates

Event date
2015-08-17T00:00:00.000Z

Reasoning: Threshold established for heap leach to capture low-grade value.

Positive factors

  • Enables processing of low-grade material via heap leach

Evidence · text

“lower grade material reported to be under 3.5 - 4.0 gpt Au (low grade) will be agglomerated and placed on a heap leach pad”

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.