Florence Mine

The Florence Mine is a gold mine located in Esmeralda county, Nevada at an elevation of 5,751 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: Florence Mine  

State:  Nevada

County:  Esmeralda

Elevation: 5,751 Feet (1,753 Meters)

Commodity: Gold

Lat, Long: 37.71028, -117.21972

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.


Satelite image of the Florence Mine

Florence Mine MRDS details

Site Name

Primary: Florence Mine
Secondary: Florence Goldfield Mining Co.
Secondary: Florence Group, Consisting of the Florence, Red King, Cornishman,
Secondary: Firelight Claimsplus the Emma Fraction.


Commodity

Primary: Gold
Secondary: Silver
Secondary: Copper
Tertiary: Bismuth
Tertiary: Zinc
Tertiary: Antimony


Location

State: Nevada
County: Esmeralda
District: Goldfield District


Land Status

Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: Newmont Mining Corp.
Years: 1948 - 1951


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1904
Discovery Year: 1903
Years of Production:
Organization:
Significant: N
Deposit Size: M


Physiography

Not available


Mineral Deposit Model

Model Name: Epithermal quartz-alunite Au


Orebody

Form: TABULAR TO IRREGULAR

Form: TABULAR TO IRREGULAR


Structure

Type: L
Description: Fault Gouge Zone Terminates South End Of Ledge; Pre-Ore Faulting

Type: R
Description: Columbia Mountain Fault; Caldera Ring Fracture Zone


Alterations

Alteration Type: L
Alteration Text: Pyritization, Alunitization, Silicification


Rocks

Name: Andesite
Role: Host
Age Type: Host Rock Unit
Age in Years: 21.500000+-
Age Young: Miocene

Name: Dacite
Role: Host
Age Type: Host Rock Unit
Age in Years: 21.500000+-
Age Young: Miocene


Analytical Data

Analytical Data: 3.5% CU.
Analytical Data: 3.5 OZ/T AG
Analytical Data: A 1905 SHIPMENT RAN 100.8 OZ/TON AU


Materials

Ore: Gold
Ore: Bismuthinite
Ore: Famatinite
Ore: Chalcopyrite
Ore: Sphalerite
Gangue: Quartz
Gangue: Alunite
Gangue: Marcasite
Gangue: Gypsum
Gangue: Barite
Gangue: Kaolinite
Gangue: Limonite
Unknown: Pyrite


Comments

Comment (Development): THE FLORENCE WAS ONE OF THE 4 MAJOR EARLY PRODUCERS IN GOLDFIELD FROM 1904-1906. SHIPMENTS BEGAN FROM THE SWEENEY LEASE IN 1904. THE SWEENEY LEASE GROSSED ABOUT $600,000 TO JAN. 1905. THE FLORENCE-GOLDFIED MINING CO. WAS ORGANIZED IN MAY 1905. FLORENCE MILL BEGAN REDUICNG ORE IN JAN. 1909. THE UNTIL DEC. 11, 191U WHEN IT WAS DESTROYED BY FIRE. THE COMPANY WENT INTO RECEIVER SHIP IN 1916. THE (LITTLE FLORENCE, ROGERS SYNDICATE) REILLY, AND ENGIEERS, LEASES WERE TWO OF THE BIG EARLY PRODUCERS ON THE FLORENCE PROPERTY (1907-1908) MORE LEASES WERE WORKED IN 1920-1921

Comment (Deposit): IRREGULAR LEDGE WITH MANY LENTICULAR PAYSHOOTS IRREGULARLY DISTRIBUTED THROUGHOUT IT.

Comment (Workings): SHAFT HAD REACHED 1270-FT DEPTH BY 1913, WITH LEVELS EVERY 50 FT DOWN TO 350 FT LEVEL, WINZES, STOPES. MANY OTHER SHAFTS WERE WORKED BY LESSEES IN EARLY YEARS

Comment (Deposit): ABOUT 1919 LESSEES ON THE FLORENCE DROVE AN EXPLORATORY CROSSCUT 1000 FT DUE WEST FROM THE FLORENCE SHAFT AT THE 358-FT LEVEL. IN 1947, NEWMONT MINING CORP. EXTENDED IT ABOUT 1000 FT AND INTERSECTED THE COLUMBIA MOUNTAIN FAULT 2500 FT SOUTH OF THE SILVER PICK DEVELOPMENT. ; INFO.SRC : 1 PUB LIT

Comment (Location): ADJOINS GOLDFIELD CONSOLIDATED MINES CO. PROPERTIES AT THE SOUTH END OF THAT BLOCK. ADJOINS SW SIDE OF ATLANTA MINES CO. PROPERTY. FLORENCE GOLDFIELD PROPERTY COVERS 67.7 ACRES. UTM IS TO ONE MAIN SHAFT ON THE PROPERTY. UTM IS TO ONE MAIN SHAFT ON THE PROPERTY. ; INFO FROM LAND.ST :(1972)

Comment (Commodity): DEEPER LEVELS CONTAINED MORE COPPER AND SILVER THAN NEAR-SURFACE ORES.

Comment (Production): OVER $6 MILLION WORTH OF GOLD PRODUCED BY SEVERAL LESSEES FROM 1904-1908. ONE SHIPMENT OF 75678 LB ORE IN 1904 CONTAINED ABOUT 53 OZ/T AU, AND ANOTHER 1,855 LB. LOT RAN ABOUT 396 OZ/T AU.


References

Reference (Deposit): SHAMBERGER, H.A., 1982, THE STORY OF GOLDFIELD; NEVADA HISTORICAL PRESS, CARSON CITY, NEVADA, 240 P.

Reference (Deposit): NBMG REPORT 33, P. 77-86

Reference (Deposit): LINCOLN, F.C., 1923, MINING DISTRICTS AND MINERAL RESOURCES OF NEVADA; RENO, NEVADA.

Reference (Deposit): WEED, W.H., ED., 1922, THE MINES HANDBOOK, VOL. XV, P. 1203.

Reference (Deposit): NBMG BULL 78

Reference (Deposit): USGS PP 66, P. 225-230.

Reference (Production): SHAMBERGER, H.A., 1982, P. 199.


Nevada Gold

Gold Districts of Nevada

Nevada has a total of 368 distinct gold districts. Of the of those, just 36 are major producers with production and/or reserves of over 1,000,000 ounces, 49 have production and/or reserves of over 100,000 ounces, with the rest having less than 100,000 ounces. Read more: Gold Districts of Nevada.