Mine detail: Swisshelm Mine

Previously called ''

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Location

Lat / long:

31.71042, -109.54314

Resource(M)

Primary:	Gold, Silver, Lead
Tertiary:	Copper, Zinc
Ore:	Gold, Silver
Gangue:	Calcite, Hematite, Pyrite, Quartz
Orebody form:	IRREGULAR

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Small
Development status:	Producer
First production started:	1918
Last production ended:	1958

Geology

Host rock:	Naco Group
Host type:	Limestone
Structure:	Nnw Thrust Faults In Swisshelms Overthrust Penn Naco Group Over Rhyolite Porphyry, On Upthrown Side Of Nw Trending Fault; Penn Naco Group Strikes Nw
Alteration processes:	Strong Oxidation

References

MRDS	M800317
DEP	10109854
Reference	{Deposit:: USGS MAP MF 213}{Deposit:: LORING, W.B., 1947, THE GEOLOGY AND ORE DEPOSITS OF THE MOUNTAIN QUEEN AREA NORTHERN SWISSHELM MOUNTAINS, AZ, M.S. THESIS, U OF AZ}{Deposit:: ABGMT CLIPPINGS FILES}{Deposit:: AZ DEPT MIN RESOURCES FILE DATA}{Deposit:: ABGMT-USBM FILE DATA}
Reporter	Roth, Frances A. (Gest, Don E.)