Orestimba

Past Producer in Stanislaus county in California, United States with commodity Mercury

Geologic information

Identification information

Deposit ID 10040866
MRDS ID M055742
Record type Site
Current site name Orestimba
Alternate or previous names Palo Alto
Related records 10287332

Geographic coordinates

Geographic coordinates: -121.31935, 37.29686 (WGS84)
Relative position 25 MI SW OF CROW'S LANDING
(click for info)

Geographic areas

Country State County
United States California Stanislaus

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 007S 006E 28 California

Comments on the location information

  • LOCATED ON SHAFT

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore
Magnesite Gangue

Alteration

  • (Local) Silicification Of Shale

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -121.31935, 37.29686

Geologic structures

Type of structure Local
Structure description Local Shears

Controls for ore emplacement

  • Shear Zones

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year <1900

Mining district

District name Orestimba

Ownership information

  • Type Owner
    Owner H. A. Wilder

Production statistics

  • Year 1960
    Period To 1960
    Material HG
    Accuracy Estimate
    Description Cp_Grade: ^5-6 Lb/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Mercury Mercury 2485g/mt

Comments on the production information

  • INCLUDES PHOENIX PRODUCTION

Workings at the site

  • Type of workings Underground
    Overall depth 22.86M

Comments on the workings information

  • IDLE SINCE WWI

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M055742

Bibliographic references

  • Deposit

    HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252

  • Deposit

    BAILEY, E. H., USGS, PERSONAL FILES

  • Deposit

    CHARLES, A., 1947, MINES AND MINERAL RESOURCES OF STANISLAUS COUNTY, CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 43, P. 96 - 98

  • Deposit

    FORSTNER, W., 1908, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG BULL. 27, 270 P.

  • Deposit

    5) RANSOME, A.L. AND KELLOGG, J.L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG, V. 35, P. 353-486

  • Production

    USBM DATA

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Peterson, Jocelyn A. U.S. Geological Survey