Mine detail: El Capitan Mine

Previously called 'Gold Dust Claim'

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Location

Lat / long:

33.20509, -110.80875

Resource(M)

Primary:	Silver
Secondary:	Copper, Lead
Ore:	Anglesite, Malachite
Gangue:	Limonite, Pyrite, Quartz
Discovery year:	1885

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
First production started:	1885
Last production ended:	1949

Geology

Host rock:	Dripping Spring Quartzite
Host type:	Quartzite,Siltstone
Associated type:	Rhyolite
Structure:	N-S And Nw Faulting In Area, Tertiary Dikes Nw And Ew Trending, Beds Nw To Ew Trending, S Dipping, Nw Tert Rhyolite Dike Is 1/4 Mile South Of Mine. Dripping Springs Quartzite Strikes Ew Dipping S 20 To 25
Alteration processes:	Limonite Pseudomorphed After Pyrite

References

MRDS	M241243
DEP	10046330
Reference	{Deposit:: ABGMT-USBM FILE DATA}{Deposit:: ADMR EL CAPITAN FILE}{Deposit:: USGS GEOLOGIC QUADRANGLE MAP, GQ 1442}
Reporter	Gest, Don E.