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Blue Dipper Group

Past Producer in Mariposa county in California, United States with commodity Tungsten
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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. Land status
  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 10103527
MRDS ID M024325
Record type Site
Current site name Blue Dipper Group

Geographic coordinates

Geographic coordinates: -118.24565, 37.348 (WGS84)
Relative position 3 1/2 AIRLINE MILES NW OF EL PORTAL

Site location context

Political divisions (FIPS codes)

Inyo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Westgard Pass(quadrangle 1:24,000 scale)

Bishop(quadrangle 1:100,000 scale)

Mariposa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Crowley Lake(hydrologic unit)

Mono-Owens Lakes(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Federal lands

Inyo National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 003S 019E 02,11 California

Comments on the location information

  • UTM & SEC. PROJECTED RANGE WAS CHANGED FROM 20 TO 19 FROM DESCRIPTION OF LOCATION.

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Pyrrhotite Ore
Scheelite Ore
Calcite Gangue
Epidote Gangue
Garnet Gangue
Quartz Gangue
Tremolite Gangue
Wollastonite Gangue

Analytical data

Result AVG. .75% WO3

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -118.24565, 37.348
ListMap

Economic information

Ore body information

  • Strike N 30 W
    Dip 70 NE

Comments on the geologic information

  • GEOL.DESC: SOME SCHEELITE OCCURS IN GRANODIORITE WHICH INTRUDES THE LIMESTONE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1955

Land status

Ownership category National Forest

Comments on the production information

  • NO PRODUCTION FIGURES REPORTED

Workings at the site

  • Type of workings Underground
    Length 45.72M

Comments on the workings information

  • IN 1954; UPPER TUNNEL WITH SEVERAL GALLERIES STRIKING N 55 E ABOUT 100 FT. LONG. SECOND TUNNEL WAS DRIVEN SE ABOUT 65 FT. BELOW MAIN TUNNEL, IT IS ABOUT 50 FT. LONG.

Reference information

Bibliographic references

  • Deposit

    BOWEN, O. E. AND CLIFFTON, G. H., 1957, MINES AND MINERAL DEPOSITS, MARIPOSA COUNTY; CA. JOUR. MINES AND GEOLOGY, VOL. 53, NO. 1&2, DIV. OF MINES, P. 196 - 197, 330

General comments

Subject category Comment text
Deposit 1957, GROUP WAS UNDER LEASE TO INCLINE MINING COMPANY, LEE CUMEO, L. GARRIBOTTI, ETAL OF SAN FRANCISCO.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1979 Fraticelli, L. A. (Albers, J.) U.S. Geological Survey

Beyond USGS

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

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.