Alpha Diggings

The Alpha Diggings is a gold 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: Alpha Diggings  

State:  California

County:  Nevada

Elevation:

Primary Mineral: Gold

Lat, Long: 39.33611, -120.78333

Map: View on Google Maps


Satelite image of the Alpha Diggings

Alpha Diggings MRDS details

Site Name

Primary: Alpha Diggings


Commodity

Primary: Gold


Location

State: California
County: Nevada


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
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

Not available


Materials

Not available


Comments

Comment (Geology): GEOL.DESC: PLACER - NEOCENE GRAVELS - ABOUT 75 ACRES OF GRAVEL PRESERVED LINDGREN), THE PEBBLES CONSISTING CHIEFLY OF QUARTZ, QUARTZITE, AND HARD CONGLOMERATE***BANKS ARE 90 FT. HIGH INCLUDING 20 FT. OF CLAY AT THE TOP.

Comment (Deposit): ABOUT 5,000,000 CU YDS OF MATERIAL HAD BEEN REMOVED WHEN EXAMINED BY LINDGREN AND ABOUT A QUARTER OF THAT AMOUNT REMAINED.


References

Reference (Deposit): USGS FOLIO 66, P. 9 AND EC. GEOL. SHEET