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  3. Mineral Resource Data System (MRDS)

Unnamed Prospect

Occurrence in Imperial county in California, United States with commodity Gemstone
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10062388
MRDS ID TC35769
Record type Site
Current site name Unnamed Prospect

Geographic coordinates

Geographic coordinates: -116.02027, 32.6909 (WGS84)

Site location context

Political divisions (FIPS codes)

Imperial(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

In-Ko-Pah Gorge(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

Comments on the location information

  • IN THE JACUMBA WILDERNESS.

Commodities

Commodity Importance
Gemstone Primary

Materials information

Materials Type of material
Chalcedony Ore

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Jacumba Volcanics
    Rock description Jacumba Volcanics
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene

Nearby scientific data

(1) -116.02027, 32.6909
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Significant No

Mining district

District name Jacumba (Inkopah)

Workings at the site

  • Type of workings Surface
    Overall depth 0.46M
    Overall length 3.05M
    Overall width 0.91M

Comments on the workings information

  • TRENCH, 1 PIT

Reference information

Bibliographic references

  • Deposit

    TODD, V.R., KILBURN, J.E., DETRA, D.E., GRISCOM, ANDREW, KRUSE, F.A., AND MCHUGH, E.L., 1987, MINERAL RESOURCES OF THE JACUMBA (IN-KO-PAH) WILDERNESS STUDY AREA, IMPERIAL COUNTY, CALFORNIA: U.S. GEOLOGICAL SURVEY BULL. 1711-D, 15 P

  • Other Database

    CIMRI

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1993 Gray, Floyd U.S. Geological Survey
Updater 01-JUL-1993 Orris, Greta 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.