New Almaden District

The New Almaden District is a mercury mine located in Santa Clara 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: New Almaden District
Secondary: New Almaden Mine
Secondary: America Mine
Secondary: Providencia Mine
Secondary: Enriquita Mine
Secondary: San Antonio Mine
Secondary: San Mateo Mine

Commodity

Primary: Mercury
Secondary: Stone, Dimension
Secondary: Sand and Gravel, Construction
Secondary: Chromium
Tertiary: Manganese
Tertiary: Copper

Location

State: California
County: Santa Clara
District: NEW ALMADEN DISTRICT

Land Status

Land ownership: County
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.

Holdings

Not available

Workings

Not available

Ownership

Owner Name: Santa Clara County
Info Year: 2010
Years: 1976 -

Owner Name: NEW ALMADEN CORP.
Info Year: 1945

Owner Name: MRS. MARY LORD SEXTON
Info Year: 1948

Production

Year: 1964
Time Period: 1845-1945
Material type: 1,137,727 flasks of quicksilver produced

Deposit

Record Type: District
Operation Category: Past Producer
Deposit Type: VEINS, DISSEMINATIONS, REPLACEMENT
Operation Type: Unknown
Discovery Year: 1824
Years of Production:
Organization:
Significant:

Physiography

Not available

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Type: R
Description: DOMINANTLY NW TREND, DIPPING N

Type: L
Description: TENSION FRACTURES, SEDIMENT - SERPENTINE CONTACT

Alterations

Alteration Type: L
Alteration: SILICA CARBONATE
Alteration Text: SILICA CARBONATE ALTERATION OF SERPENTINE

Rocks

Not available

Analytical Data

Not available

Materials

Not available

Comments

Comment (Location): Existing record put the location about 9 miles too far NW at 37.29992, -121.90103. ABWilson moved location to the New Almaden district. To be correct, this should be designated with a polygon, not a point.

Comment (General): District record includes the mines discussed in Bailey and Everhart's PP-360: New Almaden, America, Providencia, Enriquita, San Antoniao, San Mateo. The "district" would also include the Guadalupe, Senator, Santa Teresa, and Bernal Mines, however these are likely not of the same deposit.

References

Reference (General): http://en.wikipedia.org/wiki/Almaden_Quicksilver_County_Park [accessed 09-nov-2010, contains interesting historical background and links to more recent information on the current status of the area]
URL: http://en.wikipedia.org/wiki/Almaden_Quicksilver_County_Park

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

Reference (Deposit): BAILEY, E.H. AND EVERHART, D.L., 1964, GEOLOGY AND QUICKSILVER DEPOSITS OF THE NEW ALMADEN DISTRICT, SANTA CLARA COUNTY, CALIFORNIA: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 360, 206 P.
Pages: pl. 1.

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): BAILEY, E. H., U.S.G.S., PERSONAL FILES

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.