Mericoma

The Mericoma is a mercury mine located in Sonoma county, California at an elevation of 600 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: Mericoma  

State:  California

County:  Sonoma

Elevation: 600 Feet (183 Meters)

Commodity: Mercury

Lat, Long: 38.6775, -122.79417

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 Mericoma

Mericoma MRDS details

Site Name

Primary: Mericoma


Commodity

Primary: Mercury


Location

State: California
County: Sonoma
District: West Mayacmas


Land Status

Not available


Holdings

Not available


Workings

Type: Unknown


Ownership

Owner Name: G. D. Topliff


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1903
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

Form: PODS


Structure

Type: L
Description: Sandstone - Greenstone Fault Contact


Alterations

Alteration Type: L
Alteration Text: Silica Carbonate Alteration Of Serpentine


Rocks

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


Analytical Data

Analytical Data: ASSAYS SHOW LOW GRADE


Materials

Ore: Cinnabar


Comments

Comment (Reserve-Resource): RESERVES VERY SMALL, NOT WORTH DEVELOPING

Comment (Development): DMEA CONTRACT RECOMMENDED DENIED IN 1954


References

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

Reference (Deposit): BRADLEY, W.W., 1918, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG BULL. 78, 389 P.

Reference (Deposit): HONKE, M.T., JR. AND VER PLANCK, W.E., JR., 1950, MINES AND MINERAL RESOURCES OF SONOMA COUNTY, CALIF.: CJMG, V. 46, P. 98-105


California Gold

Where to Find Gold in California

"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 at Where to Find Gold in California.