Mine detail: Alma Mine

Previously called 'Carlo-AlmaCarlo Shaft'

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Location

Lat / long:

34.47477, -112.41824

Resource(M)

Primary:	Gold
Secondary:	Silver, Lead
Tertiary:	Copper
Ore:	Galena, Gold
Gangue:	Hematite, Pyrite, Quartz
Orebody form:	TABULAR

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Producer
First production started:	1907
Last production ended:	1947

Geology

Host rock:	Green Gulch Volcanics
Host type:	Slate,Meta-Basalt,Rhyolite
Associated type:	Rhyolite,Basalt
Structure:	Foliation In Precambrian Rocks Trends N10e To N20e, Veins Parallel Foliation And Crosscut It By 10-20 Degrees, Trending N20e To N-S
Alteration processes:	Minor

References

MRDS	M800387
DEP	10048266
Reference	{Deposit:: USBM-ABGMT FILE DATA}{Deposit:: ABGMT CLIPPINGS FILE DATA}{Deposit:: ARIZONA DEPARTMENT OF MINERAL RESOURCES FILE DATA}{Deposit:: YAVAPAI MAGAZINE-1918, V. VI #7, P.3}{Deposit:: BLM DISTRICT SHEET #248}{Deposit:: USGS GEOLOGIC QUADRANGLE MAP GQ 997}
Reporter	Laraba, Peter (Dewitt, Ed)