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
2026-09-16 11:19:34 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Monument Mining is implementing a two-phase processing strategy for the Murchison Gold Project, utilizing a mill for high-grade material (>3.5-4.0 g/t Au) and heap leaching for low-grade material. The company is also planning an exploration program for 2016 and conducting an on-site crusher trial to optimize the crushing circuit.

Reasoning: The company is outlining a strategic project update involving process optimization (heap leach vs mill) and upcoming exploration, which provides a roadmap for production restart.

Positive factors

  • Two-phase processing approach (milling + heap leach) to maximize recovery
  • Planned crushing circuit optimization via impact crusher trial
  • Identification of new mineralized zones to the East and North of ANA pits

Negative factors

  • Requirement for additional metallurgical test work and equipment trials before production restart

Facts used in scoring: 1

Classification and evidence

Heap Leach Routeneutral

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

Why it applies: The company confirmed a two-phase approach involving heap leaching of low-grade material.

Evidence · text

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

Extracted facts

Stored fact records: 1. Some facts used in scoring do not have a stored record.

Metallurgical Results (1)

Fact 1View all details
Link to this fact

Identity

Region
australia_wa
Reported Region
Western Australia
Ticker
MMY

Review

Needs Review
No
Historical
No

Dates

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

Reasoning: Establishes the economic cut-off for the milling component of the two-phase process.

Positive factors

  • Defines the high-grade threshold for mill feed

Evidence · text

“material grading approximately 3.5 - 4.0 Au grams per tonne ("gpt") or greater will be treated via the process plant”

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.