The Spence Claims is a copper mine located in Elko county, Nevada at an elevation of 7,999 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
Elevation: 7,999 Feet (2,438 Meters)
Commodity: Copper
Lat, Long: 40.56667, -114.80167
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.
Spence Claims MRDS details
Site Name
Primary: Spence Claims
Secondary: Spence Mine
Commodity
Primary: Copper
Location
State: Nevada
County: Elko
District: Spruce Mountain
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1916
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: L
Description: Nnw Trending Fault
Alterations
Not available
Rocks
Name: Granite
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Permian
Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Paleocene
Analytical Data
Not available
Materials
Ore: Malachite
Ore: Chrysocolla
Ore: Chalcopyrite
Comments
Comment (Workings): VERTICAL SHAFT WITH LONG DRIFT ON THE 200-FT. LEVEL.
Comment (Deposit): THE SPENCE PROPERTY IS DEVELOPED BY MEANS OF A LONG DRIFT ON THE 200 FT LEVEL OF A VERTICAL SHAFT. THIS WORK WAS DONE PRE-1916. MORE DEVELOPMENT WORK WAS COMPLETED IN 1917 & 1918 IN EXPLOREING FOR COPPER ORE ALONG THE CONTACT, AND FOR STRINGERS IN THE DIKE. ANY DEVELOPMENT AFTER 1918 IS NOT REPORTED ; INFO.SRC : 1 PUB LIT
Comment (Development): SHAFT & DRIFT DONE PRE-1916. MORE DEVELOPMENT WAS DONE, 1917-1918 IN EXPLORING FOR COPPER ORE ALONG THE CONTACT
Comment (Deposit): DIKE CONTACT WITH MALACHITE, CHRYSOCOLLA, CHALCOPIRITE.
References
Reference (Deposit): HILL, JAMES M., (1916), NOTES ON SOME MINING DISTRICTS IN EASTERN NEVADA, USGS BULL 698
Reference (Deposit): SCHRADER, F.C., 1931, SPRUCE MOUNTAIN DISTRICT, ELKO COUNTY U. OF N. BULL., VOL XXV, NO. 7
Nevada Gold
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.