Capstone seeks high-grade ore to delay closure of Minto mine

Capstone Mining Corp. said Oct. 25 it is looking for new sources of high-grade ore that will allow the company to continue operations at its Minto copper mine in the Yukon through the end of 2017.

Earlier this year, Capstone announced plans to temporarily halt operations at Minto. This planned closure is part of an initiative to cut costs during this period of low copper prices.

So far, high-grade...