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  3. Mineral Resource Data System (MRDS)

Blue Dipper Group

Occurrence 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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10031207
MRDS ID M009843
Record type Site
Current site name Blue Dipper Group

Geographic coordinates

Point of reference Centroid
Geographic coordinates: -119.83193, 37.68791 (WGS84)
Relative position Original record had no geographic coordinates; these coordinates were derived from the PLSS description provided.

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

El Portal(quadrangle 1:24,000 scale)

Yosemite Valley(quadrangle 1:100,000 scale)

Mariposa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Merced(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Federal lands

Stanislaus 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

Commodities

Commodity Importance
Tungsten Critical Primary

Nearby scientific data

Centroid (1) -119.83193, 37.68791
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner Incline Mining Co., Lee Cuneo, L. Barribotti Et Al

Comments on the production information

  • SOME ORE PRODUCED AND MILLED DURING 1955 BEFORE THE NOVEMBER-DECEMBER FLOODS WASHED OUT THE ROAD TO THE MINE. OPERATIONS WERE SCHEDULED TO CONTINUE LATER IN THE SPRING OF 1956.

Comments on the workings information

  • IN 1954, AN UPPER TUNNEL WITH SEVERAL GALLERIES ABOUT 100 FT. LONG; SECOND TUNNEL ABOUT 65 FT. BELOW THE MAIN TUNNEL. THIS WAS ABOUT 50 FT. LONG IN 1954.

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOLOGY, V. 53, NOS. 1 & 2, JAN.-APRIL, 1957, PP. 196-7, 330

General comments

Subject category Comment text
Deposit SEVERAL CLAIMS ARE HELD. THE CHIEF MINERAL IN THE TACTITE IS QUARTZ WITH SUBORDINATE CALCITE, GARNET, EPIDOTE, PYRRHOTITE, SCHEELITE, TREMOLITE AND WOLLASTONITE. THE ORE AVERAGES ABOUT 0.75 PER CENT TUNGSTEN.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-73 Gere, W. 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.