1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Jumbo

Occurrence in Imperial county in California, United States with commodities Limestone, General, Graphite
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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. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10062379
MRDS ID TC35756
Record type Site
Current site name Jumbo
Related records 10138969

Geographic coordinates

Geographic coordinates: -116.08389, 32.81563 (WGS84)
Location accuracy 2000(meters)

Site location context

Political divisions (FIPS codes)

Imperial(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Carrizo Mountain(quadrangle 1:24,000 scale)

El Cajon(quadrangle 1:100,000 scale)

San Diego(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Salton Sea(hydrologic accounting unit)

Southern Mojave-Salton Sea(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Imperial

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 15S 09E 31 California

Comments on the location information

  • SOUTH FLANKS OF COYOTE MTNS; 7.5 MI N45W OF OCOTILLO.

Commodities

Commodity Importance
Limestone, General Primary
Graphite Critical Primary

Materials information

Materials Type of material
Graphite Ore
Limestone Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -116.08389, 32.81563
ListMap

Economic information

Ore body information

  • General form BEDDED, TABULAR
    Strike N85E
    Dip 65SE
    Thickness 30.48M
    Length 365.76M
    Width 91.44M

Comments on the geologic information

  • UPPER 50 FT OF UNIT IS COARSELY CRYSTALLINE BANDED WHITE AND GRAY LIMESTONE. BARDING 0.25 IN TO PAPER THIN, DUE TO PRESENCE OF GRAPHITE, LOWER 50 FT IS DOLOMITIC LIMESTONE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Significant No

Mining district

District name Coyote Mtns

Reference information

Bibliographic references

  • Deposit

    MORTON, PAUL K., 1977, GEOLOGY AND MINERAL RESOURCES OF IMPERIAL COUNTY CALIFORNIA, CAL. DIV. MINES AND GEOLOGY, COUNTY REPORT NO. 7.

  • Deposit

    SAMPSON, R.J., AND TUCKER, W.B., 1942, MINERAL RESOURCES OF IMPERIAL COUNTY, CAL. DIV. OF MINES BULL., V. 38, H2.

  • Other Database

    CIMRI

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1992 Gray, Floyd 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.