Mine detail: Black Rock Mine

Previously called ''

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Location

Lat / long:

34.07395, -112.58269

Resource(M)

Primary:	Gold
Secondary:	Silver
Tertiary:	Copper, Zinc, Lead
Ore:	Chalcocite, Chalcopyrite, Gold
Gangue:	Quartz
Orebody form:	TABULAR
Discovery year:	1902

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Producer
First production started:	1940
Last production ended:	1941

Geology

Host type:	Diorite,Gneiss,Rhyolite,Andesite,Granite
Associated type:	Diorite,Rhyolite,Andesite
Structure:	Veins (And Genetically-Related (?)) Dikes Trend N10w To N40w And Crosscut Precambrian Fabric, Foliation In Precambrian Schist And Gneiss Trends N 25 E To N 65 E
Alteration processes:	Minor To None

References

MRDS	M800205
DEP	10048157
Reference	{Deposit:: USBM-ABGMT FILE DATA}{Deposit:: ABGMT CLIPPINGS FILES}{Deposit:: AZ DEPT MIN. RESOURCES FILE DATA}{Deposit:: THE MINES OF WICKENBURG, CA 1907, PUBLISHED BY WICKENBURG BUSINESSMAN AND MINES.}
Reporter	Dewitt, Ed H.