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  3. Mineral Resource Data System (MRDS)

Nyman Consolidated Group

Past Producer in Tuolumne county in California, United States with commodity Gold
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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. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10077900
MRDS ID W025975
Record type Site
Current site name Nyman Consolidated Group
Alternate or previous names Santa Ysabel Cons.

Geographic coordinates

Geographic coordinates: -120.41794, 37.91936 (WGS84)
Elevation 427
Relative position 2 1/2 MILE S. OF JAMESTOWN, ON S.E. SLOPE OF QUARTZ MOUNTAIN.

Site location context

Political divisions (FIPS codes)

Tuolumne(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sonora(quadrangle 1:24,000 scale)

Oakdale(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Tuolumne(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Tuolumne

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 001N 014E 22 California

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Dolomite Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -120.41794, 37.91936
ListMap

Economic information

Ore body information

  • Strike N 16 W
    Dip 65 NE

Comments on the geologic information

  • GEOL.DESC: A SERIES OF GREENSTONE DIKES ACCOMPANY THE VEIN DEFINED BY NUMEROUS STRINGERS CUTTING THE SLATE FORMATION. AVERAGE THICKNESS OF THE VEIN IS 6 FT.

Economic information about the deposit and operations

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

Mining district

District name Mother Lode

Land status

Ownership category Private

Workings at the site

  • Type of workings Underground
    Area 40.47HA
    Overall depth 243.84M

Comments on the workings information

  • 3 SHAFTS: NO. 1 830 FT IN HANGING WALL WITH 3 LEVELS 400 , 600 , 800 FT; NO. 2 600 FT CUTTING VEIN AT 400 FT; KNOX AND BOYLE SHAFT 800 FT. EXTENSIVE CROSSCUT AND DRIFTS FROM EACH SHAFT.

Reference information

Bibliographic references

  • Deposit

    IRELAN, WM. JR., 1890 , TENTH REPT. OF THE STATE MINERALOGIST: CMB REPT. 10 , P. 51

  • Deposit

    TUCKER, W.B., 1914 , TUOLUMNE COUNTY: CMB REPT. 14 , P. 161

General comments

Subject category Comment text
Deposit ORE FROM QUARTZ STRINGERS, AND GOUGE SEAMS. THIS LOCATION ESPECIALLY KNOWN FOR POCKET DEPOSITS.
Deposit THIS MINE CONTROLS THE FOLLOWING CLAIMS: KNOX AND BOYLE, GRAY EAGLE, MILLER AND HOLMES, AND NYMAN.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1978 Albers, J.; Tatkin, T. U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site

Authoritative California resources

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