Mine detail: Florence Mine

Previously called 'Florence Group, Consisting of the Florence, Red King, Cornishman,Firelight Claimsplus the Emma Fraction.Florence Goldfield Mining Co.'

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Location

Lat / long:

37.71023, -117.22063

Resource(M)

Primary:	Gold
Secondary:	Silver, Copper
Tertiary:	Bismuth, Zinc, Antimony
Ore:	Bismuthinite, Chalcopyrite, Famatinite, Gold, Sphalerite
Gangue:	Alunite, Barite, Gypsum, Kaolinite, Limonite, Marcasite, Quartz
Orebody form:	TABULAR TO IRREGULAR
Other material:	Pyrite
Discovery year:	1903

Production

Operation type:	Unknown
Production size:	Medium
Development status:	Past Producer
First production started:	1904

Geology

Host rock:	Milltown Andesite;Milltown Andesite
Host type:	Dacite,Andesite
Structure:	Fault Gouge Zone Terminates South End Of Ledge; Pre-Ore Faulting, Columbia Mountain Fault; Caldera Ring Fracture Zone
Alteration processes:	Pyritization, Alunitization, Silicification

References

MRDS	M241907
DEP	10046708
Reference	{Deposit:: SHAMBERGER, H.A., 1982, THE STORY OF GOLDFIELD; NEVADA HISTORICAL PRESS, CARSON CITY, NEVADA, 240 P.}{Deposit:: NBMG REPORT 33, P. 77-86}{Deposit:: LINCOLN, F.C., 1923, MINING DISTRICTS AND MINERAL RESOURCES OF NEVADA; RENO, NEVADA.}{Deposit:: WEED, W.H., ED., 1922, THE MINES HANDBOOK, VOL. XV, P. 1203.}{Deposit:: NBMG BULL 78}{Deposit:: USGS PP 66, P. 225-230.}{Production:: SHAMBERGER, H.A., 1982, P. 199.}
Reporter	La Pointe, D.D. (Tingley, J.V.)