Tamarack nickel/copper/cobalt project, US
Name of the Project
Tamarack nickel/copper/cobalt project.
Location
Minnesota, in the US.
Client
Talon Metals.
Project Description
A preliminary economic assessment (PEA) has been completed.
The basis of design of the PEA has focused on a portion of the upper semimassive sulphide unit (SMSU), the lower SMSU and the massive sulphide unit (MSU). The study envisages a 1 390 t/d operation, producing 23.3-million pounds of nickel a year and 11.1-million pounds of copper over a seven-year mine life.
The PEA envisages the orebody being accessed through a 5-m-diameter shaft using transverse drift and fill for the MSU, and transverse open stoping for the SMSU.
Bulk rougher and scavenger flotation will be used followed by separate cleaning of the rougher and scavenger concentrates.
Bulk scavenger tailings will be treated in a desulphurisation stage to produce a low-mass, high-sulphur stream and high-mass, low-sulphur tailings. Filtered low sulphur tailings (at 80% to 85% solids content) will be co-disposed, with waste rock in a lined surface facility.
Potential Job Creation
Not stated.
Net Present Value/Internal Rate of Return
Using the PEA’s base case pricing and a discount rate of 7%, the project has a pretax net present value of $261-million and an internal rate of return of 44.6%, with a payback from the start of production of 1.9 years.
Value
An initial capital cost of $174.31-million.
Duration
Not stated.
Latest Developments
Talon has started a metallurgical test programme to simplify the initial PEA flowsheet.
Key Contracts and Suppliers
None stated.
On Budget and on Time?
Not stated.
Contact Details for Project Information
Talon Metals president Sean Werger, tel +1416 500 9891 or email werger@talonmetals.com.
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