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Carbonate

Past Producer in San Bernardino county in California, United States with commodities Gold, Silver, Manganese, Lead, Zinc
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Land status
  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 10035607
MRDS ID M023458
Record type Site
Current site name Carbonate
Alternate or previous names Comet ?
Related records 10163970

Geographic coordinates

Geographic coordinates: -117.31505, 34.6139 (WGS84)
Elevation 975
Relative position 1.3 MI. NE ORO GRANDE

Site location context

Political divisions (FIPS codes)

San Bernardino(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Victorville(quadrangle 1:24,000 scale)

Victorville(quadrangle 1:100,000 scale)

San Bernardino(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Mojave(hydrologic unit)

Northern Mojave(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California San Bernardino

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 006N 004W 17 California

Comments on the location information

  • UTM ACC. N 1/2 NE 1/4

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Manganese Critical Tertiary
Lead Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Quartz Gangue

Alteration

  • (Local) Oxidation

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -117.31505, 34.6139
ListMap

Economic information

Controls for ore emplacement

  • Best Ore Found On Or Near Contact Of Vein System & Dike Of Light-Colored, Decomposed Rock Resembling Felsite.

Comments on the geologic information

  • MOST HIGH-GRADE POCKETS FOUND IN VICINITY OF MAIN SHAFT BETWEEN 180 & 200 FT DIPS ON PARALLEL VEINS STEEPEN TO THE NE. SPECIMENS OF HOST ROCK WERE IDENTIFIED BY BOWEN AS HYDROTHERMALLY-ALTERED RHYOLITE-FELSITE.

Economic information about the deposit and operations

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

Land status

Ownership category Private

Comments on the production information

  • ACCORDING TO BOWEN, U.S. BUREAU OF MINES RECORDS FOR 1891-92 SHOW ONLY SMALL FRACTION OF THESE AMOUNTS. 1914 RECORD, ACCORDING TO BOWEN, IS FROM UNPUBLISHED NOTES BY H.C. CLOUDMAN OF THAT YEAR. TOTAL PRODUCTION COMPILED FROM U.S. BUREAU MINES STASTICS IS EST. $25,000, BUT SOME EARLY PRODUCTION FIGURES MAY NOT HAVE BEEN RECORDED. NO OTHER INFO. AVAILABLE.

Workings at the site

  • Type of workings Underground
    Overall depth 30.48M

Comments on the workings information

  • 20-40 DEG. INCLINE, 225 FT. DEEP, 90 FT. OF DRIFTS ON 200 FT. LEVEL AND 40 FT. ON 60 FT. LEVEL. 1000 FT. NE ARE 6 SHAFTS OF UNKNOWN DEPTH. ONE OF THE SHAFTS KNOWN TO HAVE 600 FT. OF DRIFTS ON 180 FT. LEVEL. VALUATION OF DEVELOPMENT WORK BY U.S. LAND SURVEY SET AT $26848.

Reference information

Bibliographic references

  • Deposit

    BOWEN, O.E., 1954, GEOLOGY & MINERAL DEPOSITS OF THE BARSTOW QUADRANGLE, SAN BERNARDINO CO., CALIF.: CALIF. DIV. MINES & GEOLOGY BULL. 165, P. 129-130, 124

  • Production

    BOWEN (1954)

General comments

Subject category Comment text
Deposit GOSSAN OUTCROPS. VEIN IN FAULT SYSTEM. WITHIN ZONE ARE NUMEROUS PARALLEL AND AN ECHELON, NEARLY VERTICAL SUBZONES OF INTENSE SHEARING, A FEW TENS OF FEET THICK, WHERE SCHIST & LIMESTONE HAVE BEEN BRECCIATED. MAIN VEIN WHICH IS PARALLEL TO FRACTURES, CROSSES NEARLY VERTICAL FRACTURES AT ANGLES VARYING BETWEEN 20 AND 45 DEGREES. PARALLEL VEINS VARY IN THICKNESS FROM "THIN SEAMS" TO 2 FT.
Deposit WORKED INTERMITTENTLY BETWEEN 1890 AND 1942 ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1979 Nelson, Scott C. (Albers, John, P.) 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.