The Thomas Mine is a iron mine located in Pershing county, Nevada at an elevation of 4,219 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: 4,219 Feet (1,286 Meters)
Commodity: Iron
Lat, Long: 40.08889, -118.18861
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.
Thomas Mine MRDS details
Site Name
Primary: Thomas Mine
Commodity
Primary: Iron
Location
State: Nevada
County: Pershing
District: Mineral Basin 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: Surface
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1942
Year Last Production: 1967
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Great Basin
Physiographic Detail: Basin And Mountains
Mineral Deposit Model
Model Name: Skarn Fe
Orebody
Form: TABULAR
Structure
Type: L
Description: Large N-Trending Fault Zone; Pre-Mineral And Post-Mineral Faults
Alterations
Alteration Type: L
Alteration Text: Deuteric
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Jurassic
Analytical Data
Not available
Materials
Ore: Magnetite
Ore: Hematite
Gangue: Chlorite
Comments
Comment (Location): IMMEDIATELY SOUTH OF COUNTY ROAD INTERSECTION NORTH OF BUENA VISTA HILLS. . INFO FROM LAND.ST :(1972)
Comment (Production): PROBABLY CLOSE TO A MILLION TONS TOTAL PRODUCTION FROM THIS MINE. TABLE IN JOHNSON (P.70) STATES 1963-67 PRODUCTION WAS "MORE THAN 500,000 TONS" AND FIGURES FOR OTHER PRODUCTION PEROIDS ARE PREFACED BY "ABOUT."
Comment (Development): FIRST MINED BY AMERICAN ORE CO. FOR SCRAP IRON.
Comment (Deposit): MAGNETITE-HEMATITE VEINS FOUND IN 150- TO 200-FOOT WIDE NORTH-TRENDING FAULT ZONE, TRACEABLE ON SURFACE FOR 2000 FEET AND 1300 FEET MORE (SOUTH) BY MAGNETIC SURVEYING DONE IN 1952.; MODEL NAME COULD ALSO BE: VOLCANIC-HOSTED MAGNETITE.
Comment (Workings): OPEN PIT.
Comment (Deposit): THIS RECORD HAS BEEN MERGED WITH M242671, WHICH HAS BEEN DELETED.
References
Reference (Deposit): REEVES, R.G., AND KRAL, V.E., 1955, IRON ORE DEPOSITS OF NEVADA; PART A, GEOLOGY AND IRONRE DEPOSITS OF THE BUENA VISTA HILLS, CHURCHILL AND PERSHING COUNTIES, NEVADA: NBMG BULL. 53.
Reference (Deposit): BONHAM, H.F., JR., 1985, FIELD EXAMINATION: NBMG UNPUBLISHED REPORT (TINGLEY) FILES.
Reference (Deposit): STAFF, 1985, A MINERAL INVENTORY OF THE PARADISE-DENIO AND SONOMA-GERLACH RESOURCE AREAS, WINNEMUCCA DISTRICT, NEVADA: NBMG OPEN FILE REPORT 85-3.
Reference (Production): JOHNSON (1977), P. 70.
Reference (Deposit): JOHNSON, M. G., 1977, GEOLOGY AND MINERAL DEPOSITS OF PERSHING COUNTY, NEVADA: NBMG BULL. 89, P. 67-70.
Reference (Deposit): MOORE, L., 1971, ECONOMIC EVALUATION OF CALIFORNIA-NEVADA IRON RESOUCES AND IRON ORE MARKETS: USBM INFORMATION CIRC. 8511.
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.
