Mine detail: Pearl Mine

Previously called 'Cuba Mine'

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Location

Lat / long:

32.73399, -110.73818

Resource(M)

Primary:	Copper, Lead
Secondary:	Silver, Gold
Tertiary:	Molybdenum
Ore:	Chrysocolla, Malachite, Tenorite, Wulfenite
Gangue:	Quartz
Orebody form:	TABULAR

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
First production started:	1915
Last production ended:	1941

Geology

Host type:	Diorite
Associated type:	Quartz Monzonite
Structure:	San Manuel And Mammoth Faults Run N45w, Mammoth Fault 1 1/2 Miles Ne, San Manuel Fault 1 Mile Sw, Veins Run N To S, With Cross Fractures Runnng Nw-Se Across The Veins. Cross Fractures Are About 10 To 15 Ft Apart. Minor Faulting Visible. But No Large Faults Found.
Alteration processes:	Oxidized At The Surface

References

MRDS	M899860
DEP	10048302
Reference	{Deposit:: USBM-ABGMT PRODUCTION DATA FILE}{Deposit:: ARIZONA DEPARTMENT OF MINERAL RESOURCES-FILE DATA}{Deposit:: USBM FILE DATA, CLUSTER 545}{Deposit:: WEED, W., 1922, THE MINES HANDBOOK, VOL. 15, P. 265}{Deposit:: CREASY, S. 1965, GEOLOGY OF THE SAN MANUEL AREA PINAL COUNTY, ARIZONA. USGS, P. P. 471, P. 58-59}{Deposit:: CREASY, S.C., 1967, GENERAL GEOLOGY OF THE MAMMOTH QUAD. PINAL COUNTY, ARIZONA, USGS, BULL. 1218, PLATE 1.}
Reporter	Laraba, Peter (Gest, Don E.)