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Native Copper & Copper Slag from Blue Bird Mine, Ranchers Exploration [199396]

Currency:USD Category:Collectibles / Rocks, Fossils & Minerals Start Price:40.00 USD Estimated At:80.00 - 100.00 USD
Native Copper & Copper Slag from Blue Bird Mine, Ranchers Exploration [199396]
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Native Copper & Copper Slag from Blue Bird Mine, Ranchers Exploration, near Gila Bend, AZ. The Bluebird mine was an historically significant mine. Run by some "smart cookies" at Ranchers Exploration, the company was the first, in 1968, to use solvent extraction to recover copper (electrolytic) on a commercial basis.
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Date:
Country (if not USA):
State: Arizona
City: Gila Bend
Provenance: Homestake Mine Geologist Dave Shaddrick Collection