Crow Springs Project (Esmeralda County, Nevada, USA)
> CROW SPRINGS PROJECT REPORT (PDF, 9MB)
The Crow Springs property consists of 127 un patented claims (1,060 hectares) located 22 miles northwest of Tonopah, NV in the South Royston Hills, Esmeralda County, Nevada. The property is situated along the eastern margin of the highly prospective Walker Lane structural province.
Exploration by various companies during the 1960s-1980s identified a mineralized porphyry copper-molybdenum +/-gold style system hosted in a quartz monzonite, with a known surface measurement of 0.5 km x 2 km trending northeast-southwest. The system is characterized by quartz and pyrite (jarosite) vein/veinlet stockwork and associated potassic, phyllic and argillic alteration.
Mineralisation is not uniformly distributed through the intrusion but is largely controlled by late structures and shear zones. Copper minerals identified include; chrysocolla, malachite, copper pitch, tenorite, and turquoise, as well as boxworks after chalcopyrite and rarely visible chalcopyrite.
Limited exploration drilling in 1980s returned samples anomalous in copper >0.2% copper, 0.10-0.15 g/t gold and anomalous molybdenum. One hole (DH-83-1) reported by C.S. Robinson & Associates returned a 21 meter interval at the bottom of the hole (100-123 meters) which contained 0.1290% Cu and molybdenum > 100 ppm. The porphyry system is open to the northeast and southwest, at depth and possibly to the east and west. It is thought that the porphyry copper system may be peripheral to a more significant, concealed copper-molybdenum porphyry and related skarn system.
The property also is located within a broad magnetic low, possibly indicating an extensive and intensive hydrothermal zone of alteration.
Galileo is considering plans to conduct a grid soil sampling across the property in 2016, and possibly geophysics at some later date.
Location of the Gabbs, Crow Springs and Silverton Projects in Nevada, USA (Google Earth)
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