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  3. Mineral Resource Data System (MRDS)

South Black Rock Deposit

Occurrence in Riverside county in California, United States with commodity Tin
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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. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10064464
MRDS ID TC38842
Record type Site
Current site name South Black Rock Deposit

Geographic coordinates

Geographic coordinates: -117.44393, 33.80003 (WGS84)
Relative position 7 MILES SOUTH OF ARLINGTON.

Site location context

Political divisions (FIPS codes)

Riverside(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lake Mathews(quadrangle 1:24,000 scale)

Santa Ana(quadrangle 1:100,000 scale)

Santa Ana(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Santa Ana(hydrologic unit)

Santa Ana(hydrologic accounting unit)

Southern California Coastal(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Riverside

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 004S 005W 19 California

Commodities

Commodity Importance
Tin Critical Primary

Materials information

Materials Type of material
Tourmaline Ore

Host and associated rocks

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

Nearby scientific data

(1) -117.44393, 33.80003
ListMap

Economic information

Ore body information

  • Strike N30E
    Dip SE
    Width 3.05M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on the workings information

  • SEVERAL SHALLOW SHAFTS, DEEPEST 25 FT.

Reference information

Bibliographic references

  • Deposit

    SAMPSON, R.J., AND TUCKER, W.B., 1945, MINERAL RESOURCES OF RIVERSIDE COUNTY; CALIFORNIA DIVISION OF MINES AND GEOLOGY, VOL. 41, NO. 3, P. 152

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit 8 PARALLEL VEINS, SAMPLES 0.13-0.50% SN.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1993 Unkefer, Jason 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.