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Trio Group

Past Producer in San Bernardino county in California, United States with commodity Copper
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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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10034090
MRDS ID M020788
Record type Site
Current site name Trio Group
Related records 10285773

Geographic coordinates

Geographic coordinates: -115.25639, 35.27973 (WGS84)
Elevation 1463
Relative position 6 MILES SOUTH OF IVANPAH, 1 MILE WEST OF BARNWELL.

Site location context

Political divisions (FIPS codes)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ivanpah(quadrangle 1:24,000 scale)

Ivanpah(quadrangle 1:100,000 scale)

Kingman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Piute Wash(hydrologic unit)

Lower Colorado(hydrologic accounting unit)

Lower Colorado(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Mojave National Preserve(National Preserve)

National Preserve NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State County
United States California San Bernardino

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 014N 016E 21,22 California

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Garnet Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -115.25639, 35.27973
ListMap

Economic information

Ore body information

  • General form LENTICULAR
    Strike E
    Dip STEEPLY N
    Thickness 1.22M
    Length 12.19M

Controls for ore emplacement

  • Fractures

Comments on the geologic information

  • GEOL.DESC: PROPERTY LOCATED AT SOUTH END OF A 1,000 FT. THICK BELT OF CRYSTALLINE LIMESTONE, WHICH TRAVERSES NORTH - SOUTH FOR ABOUT 5 MILES.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Vanderbilt

Comments on the production information

  • PERHAPS YIELDED SMALL TONNAGE OF SHIPPING ORE IN EARLY 1900'S.

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 91.44M

Comments on the workings information

  • VERTICAL SHAFT ON COPPER BULLION CLAIM SAID TO BE 300 FT. DEEP, NOW INACCESSIBLE 400 FT. WEST, 100 FT. NORTH IS A TUNNEL DRIVEN EAST FOR 150 FT., AT PORTAL A LENS OF 2 FT. BY 30 FT. BY 15 FT. HAS BEEN REMOVED. FEW SHALLOW OPEN CUTS.

Reference information

Bibliographic references

  • Deposit

    TUCKER, W. B. AND SAMPSON, R.J., 1943 , MINERAL RESOURCES, SAN BERNARDINO COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 39 , NO. 4 ; DIV. OF MINES, P. 437

  • Deposit

    WRIGHT, L. A., ETAL, 1953 , MINES AND MINERAL DEPOSITS, SAN BERNARDINO COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 49 , NO. 1 & 2 ; DIV. OF MINES, P. 20 - 21 (AP.)

General comments

Subject category Comment text
Deposit SHORT LENSES OF ORE FORMED AT IRREGULAR INTERVALS ALONG FRACTURES 2 - 2 1/2 FT. THICK. ORE BODIES COMPOSED MOSTLY OF GARNET.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1978 Fraticelli, L. A. (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.