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Tedoc Group

Past Producer in Tehama county in California, United States with commodities Chromium, Platinum, Palladium, Iridium, Ruthenium, Rhodium
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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. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10098551
MRDS ID M100231
Record type Site
Current site name Tedoc Group
Alternate or previous names Dead Pine and Mountain View Claims

Geographic coordinates

Geographic coordinates: -122.9011, 40.24124 (WGS84)
Elevation 1585
Relative position ABOUT 65 MI WEST OF RED BLUFF

Site location context

Political divisions (FIPS codes)

Tehama(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

North Yolla Bolly Mountains(quadrangle 1:24,000 scale)

Red Bluff(quadrangle 1:100,000 scale)

Redding(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Shasta-Trinity National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Tehama

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 028N 009W 28,29 NW4 (28); SE4 (29) California

Comments on the location information

  • AT LEAST PARTIALLY WITHIN TRINITY NATIONAL FOREST. ON SLOPES OF TEDOC MOUNTAIN. LOCATION GIVEN IS FOR PGE SAMPLE SITE LOCATION AT TEDOC GAP

Commodities

Commodity Importance
Chromium Critical Primary
Platinum Critical Tertiary
Palladium Critical Tertiary
Iridium Critical Tertiary
Ruthenium Critical Tertiary
Rhodium Critical Tertiary

Materials information

Materials Type of material
Chromite Ore

Alteration

  • (Local) Partial To Complete Serpentinization

Analytical data

Result 3 PGE ANALYSES: PT=14-1,060 PPB
Result PD=1-10 PPB
Result IR=65-850 PPB
Result RU=<1-980 PPB
Result RH=4-41 PPB.

Mineral occurrence model information

Model code 15
USGS model code 8a
Deposit model name Podiform chromite (minor)
Mark3 model number none

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
    Rock unit name Beegum Creek Ultramafic Body
    Rock description Beegum Creek Ultramafic Body
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
    Rock unit name Knoxville Formation
    Rock description Knoxville Formation

Economic information

Ore body information

  • General form MASSIVE LENSES

Controls for ore emplacement

  • Magmatic Segregation

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1917
Year of last production 1955

Mining district

District name Little Red Mountain Area

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Agard And Stewart
    First year 1918
  • Type Owner
    Owner Tedoc Mining Co.
    First year 1918

Comments on the workings information

  • SEVERAL SHALLOW CUTS IN 1918

Comments on development

  • 20 CLAIMS IN 1918

Reference information

Bibliographic references

  • Deposit

    WELLS, F.G., AND HAWKES, H.E., 1965, GEOLOGICAL INVESTIGATIONS OF CHROMITE IN CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY BULLETIN 134, PT. 1, CH. 3, P. 159-163, 168.

  • Deposit

    CARLSON, C.A., AND OTHERS, 1985, ANALYSES FOR PLATINUM-GROUP ELEMENTS IN SAMPLES FROM PODIFORM CHROMITE DEPOSITS, CALIFORNIA AND OREGON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 85-442, 14 P.

  • Deposit

    BRADLEY, W.W., HUGUENIN, EMILE, LOGAN, C.A., TUCKER, W.B., AND WARING, C.A., 1918, MANGANESE AND CHROMIUM IN CALIFORNIA: CALIFORNIA STATE MINING BUREAU BULLETIN 76, P. 208-209.

  • Production

    WELLS AND HAWKES, 1965

General comments

Subject category Comment text
Deposit MOUNTAIN VIEW ORE BODY IS 250 FT LONG AND 10-20 FT WIDE, NOT COMPLETELY EXPOSED. DEAD PINE ORE BODY IS 6 FT WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1982 Oster, Karel L. (Albers, John P.) U.S. Geological Survey
Updater 01-FEB-1990 Peterson, Jocelyn A. 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.