Black Butte copper project, US
Name of the Project
Black Butte copper project.
Location
The project is located on private land near Helena, Montana, in the US.
Client
Tintina Resources, in which Sandfire Resources has a 78.1% stake.
Project Description
The project comprises measured and indicated resources totalling 15.7-million tonnes grading 3.4% copper, 0.1% cobalt and 14 g/t silver for 533 600 t of contained copper, and inferred resources totalling 2.3-million tonnes grading 2.8% copper, 0.09% cobalt and 14 g/t silver for 63 500 t of contained copper.
A preliminary economic assessment completed in 2013 states that the project has the potential to underpin a robust underground mining operation, with forecast production of about 30 000 t/y of copper-in-concentrate over an estimated mine life of 11 years, based on a total mill throughput of 11.8-million tonnes at an average head grade of 3.1% copper.
Potential Job Creation
The project is expected to create 240 jobs in the area.
Net Present Value/Internal Rate of Return
Not stated.
Value
Not stated.
Duration
Not stated.
Latest Developments
The project was issued a draft operating permit in September.
The Montana Department of Environmental Quality considers the project to be “complete and compliant”, in accordance with all state rules and regulations, and is finalising the selection of an independent third-party contractor to prepare an environmental-impact statement, which will take one year to complete, will result in a final record of decision, allowing construction and development of the underground mine to start.
Key Contracts and Suppliers
None stated.
On Budget and on Time?
Not stated.
Contact Details for Project Information
Tintina Resources, tel +1 406 547 3466 or email info@tintinaresources.com.
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