Valley

The Valley is a mercury mine located in Napa 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: Valley  

State:  California

County:  Napa

Elevation:

Commodity: Mercury

Lat, Long: 38.67083, -122.51167

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 Valley

Valley MRDS details

Site Name

Primary: Valley
Secondary: Lidell


Commodity

Primary: Mercury


Location

State: California
County: Napa
District: East Mayacmas


Land Status

Not available


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: George S. Hiebel


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
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

Not available


Alterations

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


Rocks

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


Analytical Data

Analytical Data: 10 ASSAYS SHOWED MAX OF 18.3 LB/TON. LATER ASSAYS AVERAGED ABOUT .6 LB/TON


Materials

Ore: Cinnabar


Comments

Comment (Location): LOCATED AT CENTER OF SECTION

Comment (Production): GENERAL GRADE ABOUT 10 LB/TON

Comment (Workings): FUMES AND WATER FORCED ABANDONMENT BEFORE 1890

Comment (Deposit): SITE OF ORIGINAL CINNABAR DISCOVERY IN MAYACMAS DISTRICT. MAY NOW BE CONSIDERED PART OF AETNA PROPERTY ; INFO.SRC : BAILEY E H


References

Reference (Production): YATES AND HILPERT, 1946.

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

Reference (Deposit): YATES, R. G. AND HILPERT, L. S., 1946, QUICKSILVER DEPOSITS OF THE EASTERN MAYACMAS DISTRICT, LAKE AND NAPA COUNTIES, CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 42, P. 231 - 286

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

Reference (Deposit): 1958 DIREXPL DME


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: Where to Find Gold in California.