Peregrine to explore Chidliak underground

Peregrine Diamonds Ltd. March 6 reported that a recently completed internal study indicates that development of adding underground mining to the proposed development of an open-pit mine at the company's CH-6 kimberlite pipe may enhance the economics of this diamond project on the Chidliak property in Nunavut.

A preliminary economic assessment completed last summer by JDS Energy & Mining Inc. envis...