Unnamed Prospect

The Unnamed Prospect is a silver, gold, copper, and molybdenum mine located in Nevada county, California.

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: Unnamed Prospect  

State:  California

County:  Nevada

Elevation:

Primary Mineral: Silver, Gold, Copper, Molybdenum

Lat, Long: 39.43778, -120.56000

Map: View on Google Maps


Satelite image of the Unnamed Prospect

Unnamed Prospect MRDS details

Site Name

Primary: Unnamed Prospect


Commodity

Primary: Silver
Primary: Gold
Primary: Copper
Primary: Molybdenum


Location

State: California
County: Nevada


Land Status

Land ownership: National Forest
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 indicate a claim status and does not necessarily indicate an area is open to prospecting.


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
Years of Production:
Organization:
Significant: N


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Analytical Data: .315 - .163 % CU, .083 - .259 % MO WITH TRACES OF GOLD AND .2 OZ AG.
Analytical Data: ASSAYS ACROSS VEIN


Materials

Ore: Pyrite
Ore: Chalcopyrite
Ore: Molybdenite
Gangue: Quartz


Comments

Comment (Production): 2 TONS MINED AND STOCKPILED IN 1918

Comment (Deposit): QUARTZ VEINS, LENSES, AND STRINGERS IN METAVOLCANIC ROCKS, AVG. THICKNESS 1 FT.; ONE VEIN IS 3 FT. THICK, STRIKES N 60 - 70 E, DIPS 60 S; ANOTHER IS 4 FT. THICK, STRIKES N 80 E TO E - W, DIPS 40 S; AND ANOTHER IS 1 FT. THICK, STRIKES N 80 E AND DIPS STEEPLY SOUTH. MOLYBDENITE BEARING QTZ. VEINS ARE EMPLACED ALONG E - W STRIKING AND STEEPLY DIPPING JOINT SETS IN GRANODIORITE.

Comment (Workings): 40 FT. ADIT AND SEVERAL DRILL HOLES


References

Reference (Deposit): MINERALS FOR INDUSTRY, NORTHERN CALIF.; SUMMARY OF GEOLOGICAL SURVEY OF 1955 - 1961 , VOL. 2 ; SOUTHERN PACIFIC CO., 1964 , P. 24 - 25 AND 61