Amazon first in line for Rio enviro copper
Amazon Web Services (AWS) aims to be the first to use copper produced at a mine in Arizona using bioleaching technology developed by Nuton, a Rio Tinto (ASX: RIO) venture….
Gunnison Copper
London Symposium JV Video: Gunnison starts Rio’s Nuton leach at Arizona copper mine
Gunnison Copper (TSX: GCU; OTCQB: GCUMF) produced copper using Rio Tinto’s (NYSE, LSE, ASX: RIO) Nuton sulphide-leaching technology at its Johnson Camp mine in southern Arizona this month, lifting United…
Rio Tinto’s Nuton makes first copper cathode at Gunnison mine
Rio Tinto (NYSE, LSE, ASX: RIO) venture partner Nuton has produced the first copper using new technology at Gunnison Copper’s (TSX: GCU; US-OTC: GCUMF) Johnson Camp Mine (JCM) in Arizona….
Arizona Sonoran soars on new copper ranking
Arizona Sonoran Copper (TSX: ASCU; US-OTC: ASCUF) shares shot to a historic high Monday after it released a study showing its Cactus project could be the third largest cathode producer…
Site visit: Gunnison taps Nuton tech as America’s newest copper producer
COCHISE COUNTY, ARIZ. — Gunnison Copper’s (TSX: GCU; US-OTC: GCUMF) namesake deposit and Johnson Camp Mine sit at two intersections, literal and metaphorical. Nestled among rocky, rolling hills dotted with…