Del Monte Prospect

Occurrence in San Diego county in California, United States with commodity Manganese
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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10033544
MRDS ID M020135
Record type Site
Current site name Del Monte Prospect
Related records 10165169

Geographic coordinates

Geographic coordinates: -116.16555, 32.67646 (WGS84)
Location accuracy 1000(meters)
Relative position 4 MI. N. E. OF JACUMBA, Lat/Long Taken At Center Of Sec. 21, Which Is Central To Local Activity.

Site location context

Political divisions (FIPS codes)

San Diego(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Jacumba(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 San Diego

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 017S 008E 21 California

Commodities

Commodity Importance
Manganese Critical Tertiary

Analytical data

Result ORE GRADE 14.5 PERCENT MANGANESE, 3.3 PERCENT IRON, 65.6 PERCENT SILICA.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Economic information

Ore body information

  • Thickness 0.61M
    Length 6.1M

Comments on the geologic information

  • GEOL.DESC: MANGANESE OXIDES IN A SHEAR ZONE IN GRANITE. ORE IS EXPOSED FOR 20 FT, WITH AN AVERAGE WIDTH OF 2 FT.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    D.O.M. BULL. 152 1950 P. 208

  • Deposit

    D.O.M. BULL. 125 1943 P. 165

General comments

Subject category Comment text
Deposit MANGANESE OXIDES IN A SHEAR ZONE IN GRANITE. ORE IS EXPOSED FOR 20 FT, WITH AN AVERAGE WIDTH OF 2 FT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-77 Killman, K.; Albers, J. U.S. Geological Survey REPLACING LOST LOCATION.
Updater 13-NOV-97 Oland, G. P. (Orris, Greta J.) U.S. Geological Survey OLAND AND ORRIS MERGED RECORDS
Editor 08-MAY-98 Mason, George U.S. Geological Survey

Beyond USGS

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

Authoritative California resources

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