El Dorado Prospect

The El Dorado Prospect is a lead, silver, and copper mine located in Tooele county, Utah at an elevation of 4,941 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: El Dorado Prospect  

State:  Utah

County:  Tooele

Elevation: 4,941 Feet (1,506 Meters)

Primary Mineral: Lead, Silver, Copper

Lat, Long: 40.16111, -113.28139

Map: View on Google Maps


Satelite image of the El Dorado Prospect

El Dorado Prospect MRDS details

Site Name

Primary: El Dorado Prospect
Secondary: Desert Mining Co. Prospect


Commodity

Primary: Lead
Primary: Silver
Primary: Copper


Location

State: Utah
County: Tooele
District: Granite Peak District


Land Status

Land ownership: Military Reservation


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
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

Not available


Orebody

Not available


Structure

Type: R
Description: Swarms Of Northeast-Striking Pegmatite Dikes

Type: L
Description: Numerous Aplite And Pegmatite Dikes


Alterations

Alteration Type: L
Alteration Text: Mafic Dike Near The Vein Is Altered


Rocks

Name: Mafic Intrusive Rock
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene

Name: Mafic Intrusive Rock
Role: Associated
Age Type: Host Rock
Age Young: Pliocene


Analytical Data

Not available


Materials

Gangue: Quartz
Gangue: Fluorite


Comments

Comment (Location): THE AREA INCLUDES SILVERMAN, CHLORIDE CHIEF, SILVER POINT, AND SILVERMAN NO. 2 CLAIMS.

Comment (Production): 2 TONS OF PB-AG-CU ORE

Comment (Geology): THE MAFIC DIKE STRIKES N-S AND DIPS STEEPLY EAST. THE VEIN IS CLOSELY ASSOCIATED WITH THE DIKE.

Comment (Commodity): CARNOTITE COAT FRACTURE SURFACES AND CARBONIZED PLANT REMAINS.

Comment (Deposit): THE VEIN IS PROMINENTLY BANDED.

Comment (Geology): NEAR THE DOYLE SHAFT, CARNOTITE HAS REPLACED ORTHOCLASE FELDSPAR AND A KAOLINIZED RELIC OF A FORMER FELDSPAR CRYSTAL.

Comment (Workings): WORKINGS CONSIST OF THE DOYLE SHAFT AND TWO SHALLOW SHAFTS.

Comment (Workings): TWO ADITS, TWO TUNNELS. FOWKES (1964, P. 109) REPORTED A SHAFT. BUTLER (1920, P. 462) REPORTED SEVERAL HUNDRED FEET OF DRIFTING, WITH NO LARGE ORE BODIES DISCOVERED.


References

Reference (Deposit): BULLOCK, K.C., 1976, FLUORITE OCCURRENCES IN UTAH: UTAH GEOL. AND MINERAL SURVEY BULLETIN 110, P. 77

Reference (Deposit): BUTLER, B.S., AND OTHERS, 1920, THE ORE DEPOSITS OF UTAH: U.S. GEOLOGICAL SURVEY PROF. PAPER 111.

Reference (Deposit): FOWKES, E.J., 1964, PEGMATITES OF GRANITE PEAK MOUNTAIN, TOOELE COUNTY, UTAH: BYU GEOLOGY STUDIES, VOL. 11, P. 97 -123.

Reference (Deposit): PARK, G.M., 1968, SOME GEOCHEMICAL AND GEOCHRANOLOGIC STUDIES OF THE BERYLLIUM DEPOSITS IN WESTERN UTAH: UNPUBL. M.S. THESIS, UNIV. OF UTAH.

Reference (Production): BUTLER, B.S., AND OTHERS, 1920, ORE DEPOSITS OF UTAH: U.S.G.S. PROF. PAPER 111