Articles Tagged "Copper Articles"

Excelsior Mining Reports Positive Preliminary Metallurgical Test Results

Copper – Preliminary results from metallurgical test work at Excelsior Mining's Gunnison project in Arizona show that copper can be recovered rapidly and uniformly from fractured rock samples from the property. However, what's perhaps more important is that copper recoveries and acid consumption for the leaching process are consistent with results from the company's 2014 prefeasibility study.

Drill Tracker Weekly: Nevsun Extends Massive Sulfide Mineralization at Harena Deposit

Copper – Nevsun Resources announced drill results from 2015 drilling on the Harena VMS target, located 10 kilometers south of its operating Bisha copper-zinc-silver-gold mine in Eritrea. Highlights from the step-out drilling include: 67.2 meters grading 1.66 percent copper, 6.62 percent zinc, 0.41 g/t gold and 28 g/t silver.

Eurasian Minerals Options Arizona Copper Project to Kennecott Exploration

Copper – Eurasian Minerals kicked off the week by announcing it has optioned its Superior West copper project in Arizona to Kennecott Exploration. Kennecott is owned by Rio Tinto, which also owns the massive Resolution copper project in Arizona in partnership with BHP Billiton.