Mincor Resources achieves first stoping at Cassini underground nickel mine

Mincor Resources has hit another milestone on its ramp-up to full production, achieving the successful firing and extraction of the first production stope at the Cassini underground mine (reports The West Australian).


Mincor told the ASX on Tuesday the achievement meant the company had taken the project from initial geological discovery right through to production stoping.

It said the mining cycle would now move on to adjacent stopes.

The greenfielfds operation was opened in March last year, becoming Australia’s first new nickel sulphide mine since development work began at IGO’s Nova-Bollinger operation in the Fraser Range east of Norseman in 2017.

Cassini was the first greenfields nickel deposit to be discovered at Kambalda in nearly three decades after being identified by Mincor geologists in 2015.

It forms one half of Mincor’s rejuvenated Kambalda Nickel Operations which achieved first production in May, returning the company to producer status after a six-year hiatus.

The company’s northern operations about 40km north of Cassini include the restarted Long and Durkin North mines, and Mincor has enjoyed recent exploration success with the LNO4 surface discovery in the zone between the mines which the company has dubbed “the golden mile”.

The company last month announced an ore reserve for LNO4 which it said would extend Kambalda’s mine life to six years.

Mincor has issued production guidance for the 2022-23 year of 8000t-10,000t of nickel-in-concentrate.

Mincor shuttered operations in 2016 as demand declined for the commodity then primarily used in steelmaking, with the current revival being driving by surging demand for electric vehicle batteries.

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