42. Copper Minerals: Ray Mine, Arizona
Display Case from 2008 Tucson Gem & Mineral Show
by Brandy Naugle
Ray Mine, Mineral Creek District (Ray District), Pinal Co., Arizona, USA
"Mineralization is a porphyry copper deposit hosted in Pinal Schist,
Granite Mountain Porphyry and Pioneer Shale of the Apache group; and Dripping Spring Quartzite.
Ore control was the intersection of NW and NE fault zones, permeability & type of host rock.
Ore concentration was secondary enrichment. Alteration is sericitic, propyllitic, biotite-clay,
chloritization and epidote. Area structures include the Broken Hill fault, West End fault,
North Enf fault and numerous others, mostly normal." Mindat.org
If you want to see some whatever from this location...
I have 2 copper thumbnail specimens from the RAY MINE in
MY MINDAT GALLERY
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