In the Silver Valley, though ... but froth flotation is quite common in metal refining; we’ve seen it used to concentrate everything from lightweight graphite to ultradense uranium.

Perpetua Resources said it will explore antimony processing opportunities with Sunshine Silver Mining & Refining, amid a ...

Perpetua Resources (Nasdaq: PPTA) (TSX:PPTA) said on Monday its Idaho unit has signed a non-binding agreement with private ...

Perpetua Resources said it will explore antimony processing opportunities with Sunshine Silver Mining & Refining Company.

Shares in Perpetua Resources rose Monday morning after it said it has plans to explore antimony processing opportunities with Sunshine Silver Mining & Refining. Shares rose 3.9% to 18.02 Canadian ...

Last week, Russia announced a temporary ban on the export of precious metals scrap. The Russian government hopes keeping ...

In a report released today, Ovais Habib from Scotiabank maintained a Buy rating on Pan American Silver (PAAS – Research Report), with a price ...