Jumper

Past Producer in Calaveras county in California, United States with commodity Gold
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10034754
MRDS ID M021648
Record type Site
Current site name Jumper
Alternate or previous names Rose Rock
Related records 10114518

Geographic coordinates

Geographic coordinates: -120.45294, 38.17491 (WGS84)
Relative position N OF SAN DOMINGO CR., 4 1/2 MI N. OF MURPHYS

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Murphys(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Calaveras(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004N 014E 29 California

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Pyrite Ore
Sphalerite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist

Nearby scientific data

(1) -120.45294, 38.17491

Economic information

Geologic structures

Type of structure Local
Structure description Vein Accompanied By Dike

Ore body information

  • Strike NE
    Dip NW
    Thickness 1.22M
    Depth to top 0M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Comments on the production information

  • NO PRODUCTION RECORD FOUND, ACTIVE 1890 'S

Workings at the site

  • Type of workings Underground
    Area 8.094HA
    Overall depth 53.34M

Comments on the workings information

  • DEVELOPED BY TWO DRIFT ADITS, LOWER ONE 240 FT UPPER 150 FT

Reference information

Bibliographic references

  • Deposit

    CLARK, W.B., LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF. COUNTY REPORT 2 ; CALIF. DIV. OF MINES AND GEOLOGY, P. 160

  • Deposit

    CRAWFORD, J.J., 1896 , CALAVERAS COUNTRY: CALIF. MIN. BUR. 13TH REPORT STATE MINERALOGIST, P. 109

  • Deposit

    LOGAN, C.A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 32 , NO. 3 ; DIV. OF MINES, P. 309

General comments

Subject category Comment text
Deposit VEIN, FROM A FEW INCHES THICK TO 4 FT IN THICKNESS, AVERAGING 1 1/2 FT, QUARTZ IS WHITE AND DARK BLUE, CHARACTERISTIC OF THE REGION

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Mateik, R.; Albers, John P. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.