Tehama Mine

The Tehama Mine is a silver and gold mine located in Pershing county, Nevada at an elevation of 6,319 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: Tehama Mine  

State:  Nevada

County:  Pershing

Elevation: 6,319 Feet (1,926 Meters)

Commodity: Silver, Gold

Lat, Long: 40.5925, -118.11778

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 Tehama Mine

Tehama Mine MRDS details

Site Name

Primary: Tehama Mine


Commodity

Primary: Silver
Primary: Gold
Tertiary: Copper


Location

State: Nevada
County: Pershing
District: Star 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

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Stockwork
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

Not available


Mineral Deposit Model

Model Name: Low-sulfide Au-quartz vein


Orebody

Form: VEIN


Structure

Type: R
Description: American Basin Fault

Type: L
Description: 2 Nw Normal Faults (Post-Mineral); Pre-Mineral Fault Zones.


Alterations

Alteration Type: L
Alteration Text: Silicification, Sericitization, Pyritization Of Rhyolite


Rocks

Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Late Triassic

Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Late Triassic


Analytical Data

Analytical Data: 1.95-3.29% CU
Analytical Data: 3.2-30.4 OZ AG
Analytical Data: .02-.1 OZ AU


Materials

Ore: Chalcopyrite
Ore: Pyrite
Ore: Chalcanthite
Ore: Freibergite
Ore: Galena
Ore: Sphalerite
Gangue: Quartz
Gangue: Biotite
Gangue: Ankerite


Comments

Comment (Workings): DEVELOPMENT CONSISTS OF A 250-FT ADIT INTERSECTING A 205-FT SHAFT, WITH SMALL STOPES AND CROSSCUTS. TWO CROSSCUTS, 560 FT AND 150 FT LONG, WERE DRIVEN NEARBY. A 15-TON MILL WAS OPERATED TO RECOVER GOLD-SILVER.

Comment (Geology): MINERALIZATION IS LOCALIZED IN THE FAULTED AND BRECCIATED ZONE ALONG OR NEAR THE KOIPATO RHYOLITE-SHALE CONTACT. OTHER COPPER MINERALIZATION CAN BE SEEN IN SHATTERED ZONES IN THE SHALES. FAULTING DIPS PARALLEL TO THE BEDDING OR ABOUT 65 DEGREES WEST. VEIN IS 3-10 FT WIDE WITH A ZONE OF ABOUT 10 FEET ON EITHER SIDE OF VEIN THAT IS FRACTURED AND FILLED WITH SECONDARY COPPER SULFATE. THE MINERALIZED ZONES OF FRACTURING ARE ASSOCIATED WITH AND TREND ROUGHLY PARALLEL TO FAULT ZONES.

Comment (Deposit): PROPERTY CONSISTS OF 8 PATENTED AND 3 UNPATENTED CLAIMS. DEVELOPMENT CONSISTS OF A 250 FT ADIT INTERSECTING A 205-FT. SHAFT, WITH SMALL STOPES AND CROSSCUTS. TWO CROSSCUTS, 560 AND 150 FT LONG HAVE BEEN DRIVEN NEARBY. 15-TON ML WAS OPERATED TO RECOVER GOLD-SILVER. ANY COPPER PRODUCTION IS UNKNOWN. 1956 REPORT SAYS WESTERN MERCURY WAS ATTEMPTING TO LEACH SECONDARY COPPER ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Comment (Location): IN TEHAMA CANYON; PREVIOUS QUAD DESIGNATION = IMLAY (1956) 1:625000

Comment (Deposit): THE MINERALIZATION AT THIS PROPERTY IS LOCALIZED IN THE FAULTED AND BRECCIATED ZONE ALONG OR NEAR THE KOIPATO RHYOLITE-SHALE CONTACT. OTHER COPPER MINERALIZATION CAN BE SEEN IN SHATTERED ZONES IN THE SHALES. FAULTING DIPS PARALLEL TO THE BEDDING OR ABOUT 65 DEGREES WEST. VEIN IS 3-10 FT WIDE WITH A ZONE OF ABOUT 10 FEET ON EITHER SIDE OF VEIN THAT IS FRACTURED AND FILLED WITH SECONDARY COPPER SULFATE. THE MINERALIZED ZONES OF FRACTURING ARE ASSOCIATED WITH AND TREND ROUGHLY PARALLEL TO FAULT ZONES.


References

Reference (Deposit): JOHNSON, M.G., 1977, GEOLOGY AND MINERAL DEPOSITS OF PERSHING COUNTY, NEVADA; NBMG BULL. 89

Reference (Deposit): CAMERON, 1939, GEOLOGY AND MINERALIZATION OF THE NE HUMBOLDT RANGE, NEVADA; GSA BULL. V.50 NO.4

Reference (Deposit): MELBYE, C.E., 1956, PRELIMINARY EVALUATION OF THE TEHAMA MINES, SANTA CLARA DISTRICT, PERSHING COUNTY, NEVADA; UNPUBLISHED REPORT FOR COLORADO EXPLORATION CO.


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.