Mine detail: Pickwick Prospect

Previously called 'Sweet Group'

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Location

Lat / long:

31.83096, -110.75957

Resource(M)

Primary:	Copper
Secondary:	Silver
Ore:	Chalcocite, Cuprite, Malachite
Orebody form:	TABULAR
Discovery year:	1915

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1915
Last production ended:	1929

Geology

Host rock:	Willow Canyon Formation Cretaceous-Conglomerate And Siltstone
Host type:	Limestone
Associated rock:	Quartz Latite 56+-2my-Quartz Latite
Associated type:	Quartz Latite
Structure:	Homoclinal ; Reg.Trends: Tilting And Broad Open Folds In S. And Extensive Faulting In N., Thrust And Normal Faulting-Fracture Zones
Alteration processes:	Silicification

References

MRDS	M050162
DEP	10039492
Reference	{Deposit:: SCHRADER, F.C., 1915 USGS BULL. 582}{Deposit:: ARIZONA BUREAU OF MINES 1971 FIELDNOTES V.1 NO. 2}{Deposit:: DREWES, H., 1971, USGS MAP I-613 (SAHUARITA QUAD)}{Deposit:: KEITH,S.B.,1974,INDEX OF MINING PROPERTIES IN PIMA COUNTY,ARIZONA:ARIZONA BUREAU OF MINES BULLETIN 189,P.128.}{Deposit:: 1909 RECON F.C. SCHRADER, U.S.G.S. BULL. 582}{Deposit:: 1971 DIREXPL ANACONDA-POSSIBLE NEW PORPH CU.}{Deposit:: 1971 GEOLMAP H. DREWES U.S.G.S. MAP I-613}{Production:: KEITH,S.B.,1974,P.128}
Reporter	Keith, William J.