TORONTO (miningweekly.com) – TSX Venture Exchange-listed Adex Mining has completed a new preliminary assessment on the North zone of its Mount Pleasant property, in Canada's New Brunswick province, which indicates two viable production options for the tin/indium/zinc mineralised zone.

The first option envisages the production of tin concentrate, indium sponge and zinc metal, while the second scenario would involve the production of tin concentrate and zinc/indium concentrate.

Based on a ten-year project life and a production rate of 850 t/d study shows pretax internal rates of return for the first and second options of 28,87% and 23,49% respectively.

“These are exciting times for Adex,” CEO Errol Farr said in a statement on Wednesday.

“The preliminary assessment results reinforce Adex's plans for piloting the concentrate and metals flow sheets as a next phase leading to definitive feasibility and production,” he continued.

Besides its plans for the North zone, Adex has also outlined molybdenum and tungsten resources on the Fire Tower zone on the Mount Pleasant property.

The company completed a positive scoping study on the Fire Tower zone last year.

"The Fire Tower zone scoping study plus North zone preliminary assessment confirm the potential for a unique multi-metal production opportunity for Adex," Farr commented.

The Mount Pleasant mine was built and developed by the then Billiton in the eighties, but was closed and flooded in 1985, after less than three years in operation, as sliding metals prices meant the mine was no longer economic.

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