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Unnamed Prospect

Occurrence in Del Norte county in California, United States with commodities Chromium, Platinum, Palladium, Iridium, Ruthenium, Rhodium
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Geologic information

Identification information

Deposit ID 10048453
MRDS ID MP00040
Record type Site
Current site name Unnamed Prospect

Geographic coordinates

Geographic coordinates: -123.95866, 41.92454 (WGS84)
Elevation 732
Relative position ABOUT 5 MI SOUTH OF OREGON BORDER
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Geographic areas

Country State County
United States California Del Norte

Public Land Survey System information

Meridian Township Range Section Fraction State
Humboldt 018N 002E 29 California

Comments on the location information

  • UNSURVEYED. IN SIX RIVERS NATIONAL FOREST. UTM GIVEN IS FOR PGE SAMPLE LOCALITY. LAT/LONG GIVEN IS FOR NEARBY ADIT SYMBOL; UTM 4641630N, 420590E

Commodities

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

Materials information

Materials Type of material
Chromite Ore
Olivine Gangue

Analytical data

Result 1 PGE ANALYSIS: PT=47 PPB
Result PD=TR
Result IR=140 PPB
Result RU=280 PPB
Result RH=27 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 Josephine Ophiolite
    Rock description Josephine Ophiolite
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite

Nearby scientific data

(1) -123.95866, 41.92454
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Ore body information

  • General form UNKNOWN

Controls for ore emplacement

  • Magmatic Segregation

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name High Plateau Area

Land status

Ownership category National Forest

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS MP00040

Bibliographic references

  • 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

General comments

Subject category Comment text
Deposit NO INFORMATION FOUND OTHER THAN PGE ANALYSIS IN CARLSON AND OTHERS, 1985 ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1990 Peterson, Jocelyn A. U.S. Geological Survey