Eggling and Williams Mines

The Eggling and Williams Mines is a chromium mine located in Tuolumne county, California at an elevation of 1,129 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: Eggling and Williams Mines  

State:  California

County:  Tuolumne

Elevation: 1,129 Feet (344 Meters)

Commodity: Chromium

Lat, Long: 37.875, -120.44917

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 Eggling and Williams Mines

Eggling and Williams Mines MRDS details

Site Name

Primary: Eggling and Williams Mines


Commodity

Primary: Chromium


Location

State: California
County: Tuolumne
District: Chinese Camp Area


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Eichelberger, William V.
Home Office: P.O. Box 88, Jamestown, Ca. 95327.


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1900
Year Last Production: 1917
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

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


Mineral Deposit Model

Not available


Orebody

Form: POD

Form: POD


Structure

Not available


Alterations

Not available


Rocks

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Jurassic


Analytical Data

Analytical Data: ORE AVERAGED 39% CR2O3


Materials

Ore: Chromite


Comments

Comment (Location): THE MINES ARE SCIHERED ALONG A LOWHILL AND THE BANKS OF A SMALL, INTERMITTENT STREAM.

Comment (Development): DEPOSIT PROBABLY MINED OUT.

Comment (Workings): WORKINGS CONSISTED OF A 12 M SHAFT WITH A 5 M DRIFT AT ITS FOOT, 2 SHAFTS WITH DEPTHS OF APPROX. 19M, A DRIFT OF UNKNOWN LENGTH AND AT LEAST 4 OPEN CUTS.

Comment (Geology): THE MINES ARE LOCATED IN THE WESTERN MOST OF TWO SERPONTINE BELTS THAT TREND NW ACROSS THE COUNTY AND INTRUDE PRE-CRETACEOUS METAVOLC. ROCKS OF THE AMADOS GROUP.


References

Reference (Deposit): STINSON, M.C., 1975, CDMG MINERAL PROPERTY, REPORT, UNPUBLISHED

Reference (Deposit): CATER, F.W. JR., 1948, CDMG BULL 134, PART 3, CHAPT. 1, P. 18, 19

Reference (Production): STINSON, 1975, CDMG MINERAL PROPORTY REPORT, UNPUBLISHED


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