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Ruby Prospect

Occurrence in San Diego county in California, United States with commodity Manganese
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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. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10033547
MRDS ID M020139
Record type Site
Current site name Ruby Prospect

Geographic coordinates

Point of reference Centroid
Geographic coordinates: -116.16034, 32.62691 (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)

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)

Geographic areas

Country State County
United States California San Diego

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 018S 008E California

Comments on the location information

  • BULL. 152 AND 125 PUT DEPOSIT IN SECTION 16 , BUT THIS IS S. OF MEXICO BORDER. MAY BE IN T 18 S, R 7 E.

Commodities

Commodity Importance
Manganese Critical Tertiary

Materials information

Materials Type of material
Rhodonite Ore
Spessartite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist

Nearby scientific data

Centroid (1) -116.16034, 32.62691
ListMap

Economic information

Ore body information

  • Strike N 60 W
    Dip STEEPLY N.
    Thickness 2.29M

Comments on the geologic information

  • GEOL.DESC: BED OF SILICEOUS MANGANESE ORE, ABOUT 7 1/2 FT. THICK ENCLOSED IN QUARTZ-MICA SCHIST. THE STRIKE IS N 60 W, DIPPING N. AT A HIGH ANGLE. THE SCHIST OCCURS AS A BODY LESS THAN 50 FT THICK IN GRANITE. THE LOWER 5 FT OF THE ORE IS GRAY QUARTZITE WITH BANDS OF PINK AND BROWN SILICEOUS MANGANESE ORE. THE UPPER PORTION IS NEARLY PURE, PINK MANGANESE SILICATE, AND OXIDIZED ORE. SPESSARTITE AND RHODONITE ARE PRESENT.

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. 209

  • Deposit

    D.O.M. BULL. 125 1943 PP. 66 , 165

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-77 Killman, K.; 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.