Asset Report

Black Butte copper mine project

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The Black Butte project is located in Meagher County at south-central Montana, USA. It is located 27km north of White Sulphur Springs. The latest feasibility study released in December 2020 proposed a 1.2Mt/a underground mine to produce 23kt/a of copper contained in copper concentrate over an 8-year mine life. Ore will be mined from Johnny Lee deposit using underground mining method, and processed through conventional crush, grind and froth flotation process to produce copper concentrate.

Table of contents

  • Summary
  • Key Issues
  • Pre-production Capital
  • Mining

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    Black Butte copper mine project

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