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Unnamed Cu prospect 101-12, Amole District, Tucson Mts, Pima Co., Arizona, USA

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Ref.: Ashley, R.P. (1974), Field Examination (Unnamed Cu prospect 101-12).

MRDS database Dep. ID file #10039752, MRDS ID #M050771.

A Cu occurrence/prospect with surface and underground workings located in sec. 21, T14S, R12E.

Mineralization is ore at 1.5 meters wide that strikes N86E and dips 48S, hosted in arkose. Limonite-rich areas contain Cu silicate. Quartz is the gangue mineral. Argillic alteration in the shear zone. Vein material on the dump is fine-grained massive quartz, locally chalcedonic, with streaks of massive limonite plus quartz to several centimeters wide. Limonite-rich areas contain Cu silicate. Hornfels contains disseminated pyrite, at least locally. An associated rock unit is quartz monzonite.

Local structures include a shear zone.

Workings include an inclined shaft. Also two pits about 50 meters to the east.

Mineral List

4 entries listed. 1 valid mineral.

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