Edwards

The Edwards is a mercury mine located in Marin 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

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.

Site Name

Primary: Edwards
Secondary: Bently Ranch
Secondary: Chileno Valley
Secondary: Panco No. 1

Commodity

Primary: Mercury

Location

State: California
County: Marin
District: Petaluma

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Owner Name: Ray Schultz And Mr. Bentley

Production

Year: 1962
Time Period: To 1962
Material type: HG
Description: Cp_Grade: ^10 Lb/Ton

Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1955
Discovery Year: 1955
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Coast Ranges

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Type: L
Description: Local Faults And Shears

Alterations

Alteration Type: L
Alteration Text: Hydrothermal Alteration

Rocks

Name: Sandstone
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic

Analytical Data

Not available

Materials

Ore: Cinnabar
Gangue: Marcasite
Gangue: Pyrite

Comments

Comment (Location): LOCATED TO APPROX. CENTER OF SECTION

Comment (Development): MINERALIZED ZONES SMALL AND DISCONTINUOUS

References

Reference (Deposit): HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252

Reference (Deposit): BAILEY, E.H., USGS, PERSONAL FILES

Reference (Production): USBM DATA

California Gold

"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.