Mine detail: Worl
*Fair Mine

Previously called 'Henry Ford Mine'

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Location

Lat / long:

31.47875, -110.73845

Resource(M)

Primary:	Silver, Lead
Secondary:	Zinc, Copper, Gold
Tertiary:	Antimony
Ore:	Chalcocite, Chalcopyrite, Freibergite, Galena, Pyrite, Silver, Sphalerite, Tetrahedrite
Gangue:	Barite, Quartz
Orebody form:	PINCH AND SWELL
Discovery year:	1879

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
First production started:	1879
Last production ended:	1954

Geology

Host type:	Rhyolite,Plutonic Rock
Associated rock:	Josephine Canyon Diorite
Associated type:	Diorite,Trachyandesite
Structure:	Deposits In Area Are Associated With Contact Of Rhyolite Intruded Into Diorite, Vein Is Cut By Weakly Mineralized Cross Faults With Average Left Lateral Displacement Of 75 Ft
Tectonic:	Meadow Valley Trachyandesite Flow; Thick Lava Flows Of Harshaw-Trench Camp Area
Alteration processes:	Wall Rocks Strongly Propylitized And Pyritized; Strong Pyrite Gossan

References

MRDS	M899917
DEP	10109888
Reference	{Deposit:: ABGMT-USBM FILE DATA}{Deposit:: USBM FILES, WORL * FAIR MINE}{Deposit:: TENNEY, JAMES B., 1927-1929, HISTORY OF MINING IN ARIZONA; ARIZONA BUREAU OF MINES, P. 301-303}{Deposit:: SCHRADER, FRANK C., 1915, MINERAL DEPOSITS OF THE SANTA RITA AND PATAGONIA MOUNTAINS, ARIZONA; USGS BULLETIN 582, P. 248-251}{Deposit:: SIMONS, FRANK S., 1974, GEOLOGIC MAP AND SECTIONS OF THE NOGALES AND LOCHIEL QUADRANGLES, SANTA CRUZ COUNTY, ARIZONA; USGS MAP I-762 (1:48000)}{Deposit:: ADMR FILE DATA, WORL * FAIR MINE}{Deposit:: KEITH, STANTON B., INDEX OF MINING PROPERTIES IN SANTA CRUZ COUNTY, ARIZONA; ARIZONA BUREAU OF MINES BULLETIN 191, P. 60}{Deposit:: ABGMT FILES, STANTON B. KEITH}{Deposit:: KARTCHNER, WAYNE E., 1944, THE GEOLOGY AND ORE DEPOSITS OF A PORTION OF THE HARSHAW DISTRICT, PATAGONIA MOUNTAINS, ARIZONA; PHD. THESIS, UNIVERSITY OF ARIZONA,P. 86-88}{Deposit:: ABGMT CLIPPINGS FILE; WORL * FAIR MINE, WORL * FAIR EXTENSION MINES}
Reporter	Calder, Susan R.