Aetna

The Aetna is a mercury mine located in Napa county, California at an elevation of 1,401 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

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: Aetna
Secondary: Aetna Consolidated
Secondary: Pope Valley
Secondary: Aetna Quick Silver Mines
Secondary: Aetna Quick Silver Mines Consolidated
Secondary: Aetna Quicksilver Mines Consolidated

Commodity

Primary: Mercury

Location

State: California
County: Napa
District: East Mayacmas

Land Status

Not available

Holdings

Not available

Workings

Type: Surface/Underground

Ownership

Owner Name: Basin Montana Tunnel Co.
Years: 1943 -

Production

Year: 1960
Time Period: To 1960
Material type: HG
Description: Cp_Grade: ^6 Lb/Ton

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1854
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: Y
Deposit Size: M

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: R
Description: Nw Trending Mayacmas Anticline

Type: L
Description: Fractures And Lithologic Contacts

Alterations

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

Rocks

Name: Basalt
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Cretaceous

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

Analytical Data

Not available

Materials

Ore: Cinnabar

Comments

Comment (Location): LOCATION UNCERTAIN. LOCATED AT CENTER OF SECTION BOUNDARY

Comment (Workings): UNDERGROUND WORKINGS HAVE CAVED

Comment (Production): PRODUCTION DATES 1864, 1868 - 1880, 1884, 1888, 1890 - 1901, 1903 - 1904, 1909 - 1918, 1921 - 1923, 1925 - 1929, 1931 - 1944, 1947

Comment (Geology): BASALT DIKE

Comment (Location): PART OF MINE AREA IS IN SEC. 3.

References

Reference (Deposit): CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD, CENTRAL VALLEY, INACTIVE MINE DRAINAGE IN THE SACROMENTO VALLEY, CALIFORNIA, STAFF REPORT, JULY 92, P. 72.

Reference (Production): USBM DATA

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

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

Reference (Deposit): ROSS, C.P., 1940, QUICKSILVER DEPOSITS OF THE MAYACMAS AND SULFUR BANK DISTRICTS, CALIF.: USGS BULL. 922-L, P. 327-353
Pages: p. 346-347.

Reference (Deposit): DAVIS, F.F., 1948, MINES AND MINERAL RESOURCES OF NAPA COUNTY, CALIF.: CJMG, V. 44, no. 2, P. 177, 413-414
Pages: p. 177, 413-414.

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

Reference (Deposit): RANSOME, A. L. AND KELLOGG, J. L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 35, P. 353 - 486

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, no. 3, P. 231 - 286
Pages: p. 255-259.

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.