Unnamed Cu prospect 120-8, Amole District, Tucson Mts, Pima Co., Arizona, USA
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MRDS database Dep. ID file #10039817, MRDS ID #M050897.
A Cu occurrence/prospect with surface and underground workings located in sec. 7, T13S, R12E.
Mineralization is a contact metasomatic deposit with ore in veinlets hosted in volcanic rock. Quartz vein material and breccia cemented with quartz, all of which has specular hematite (?) disseminated throughout. Abundant limonite on fractures, and some scorodite (?), and scarce Cu silicates on fractures and in open cavities in quartz. Wallrock looks silicified to argillized. The inclined shaft has some Cu, including Cu silicate, azurite crusts and some chalcopyrite. Alteration is argillitic. An associated rock unit is quartz monzonite.
Workings include a shaft and several pits; an inclined shaft is 30 meters deep and strikes WNW.
6 entries listed. 3 valid minerals.
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