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Chrome King No. 3

Producer in Josephine county in Oregon, United States with commodities Chromium, Platinum, Palladium, 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. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Land status
  18. Ownership information
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10109653
MRDS ID M060531
Record type Site
Current site name Chrome King No. 3
Alternate or previous names Part of Chrome King Group
Related records 10191411

Geographic coordinates

Geographic coordinates: -123.81838, 42.31204 (WGS84)
Elevation 951
Relative position 1.5 MI NORTHEAST OF PEARSOLL PEAK

Site location context

Political divisions (FIPS codes)

Josephine(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pearsoll Peak(quadrangle 1:24,000 scale)

Grants Pass(quadrangle 1:100,000 scale)

Medford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Illinois(hydrologic unit)

Southern Oregon Coastal(hydrologic accounting unit)

Oregon-Washington Coastal(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Rogue River-Siskiyou National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Oregon Josephine

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 037S 010W 36 E2 OF NE4 Oregon

Comments on the location information

  • UTM GIVEN IS FOR PGE SAMPLE SITE LOCATION. LAT/LONG GIVEN ARE FOR CHROME KING MINE SYMBOL SHOWN ON TOPO MAP; UTM FOR THIS IS 4684540N, 432620E.

Commodities

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

Materials information

Materials Type of material
Chromite Ore
Magnetite Gangue
Talc Gangue

Alteration

  • (Local) Ultramafics Are Almost Totally Serpentinized

Analytical data

Result 3 PGE ANALYSES: PT=N(10)-30 PPB
Result PD=N(2)-14 PPB
Result RH=N(4)-10 PPB
Result IR, RU NOT ANALYZED. CR:FE=2.5:1

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 Pearsoll Peak Ophiolite
    Rock description Pearsoll Peak Ophiolite
    Stratigraphic age (youngest) Late Jurassic
    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
    Rock unit name Pearsoll Peak Ophiolite
    Rock description Pearsoll Peak Ophiolite

Nearby scientific data

(1) -123.81838, 42.31204
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Faults With Small Offset Strike N

Ore body information

  • General form PODS, LENSES
    Strike N75E
    Dip 75NW
    Thickness 2.44M
    Width 15.24M

Controls for ore emplacement

  • Magmatic Segregation

Comments on the geologic information

  • DEPOSIT IS NEAR A HORNBLENDE DIORITE DIKE 20 FT WIDE. DEPOSIT MAY LIE IN A LARGE SLUMP OR LANDSLIDE BLOCK.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1939
Year of last production 1953

Mining district

District name Pearsoll Peak Area

Land status

Ownership category National Forest
Area name Siskiyou National Forest

Ownership information

  • Type Owner
    Owner Dr. E. E. Thompson
    First year 1961

Comments on the production information

  • HIGHEST GRADE ORE RAN 42-45% CR2O3 AT CR:FE=2.5:1

Workings at the site

  • Type of workings Surface/Underground
    Length 121.92M
    Overall depth 13.72M

Comments on the workings information

  • 2 SHALLOW SHAFTS WITH DRIFTS, BULLDOZER CUTS

Reference information

Bibliographic references

  • Deposit

    THAYER, T.P., 1974, U.S. GEOLOGICAL SURVEY, UNPUB. DATA.

  • Deposit

    ALLEN, J.E., 1941, CHROMITE DEPOSITS IN OREGON (REVISED ED.): OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 9, P. 44-45.

  • Deposit

    RAMP, LEN, 1961, CHROMITE IN SOUTHWESTERN OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 52, P. 58-59.

  • 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 WIDTH IS OF ORE-BEARING ZONE, THICKNESS IS INDIVIDUAL PODS.
Deposit SEE ALSO CHROME KING NO. 1 (M060530) ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit SEE ALSO: MRDS M060530.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1984 Unknown U.S. Geological Survey
Updater 01-FEB-1981 Ferns, Mark L. (Brooks, Howard C.) Oregon Department of Geology and Mineral Industries
Updater 01-MAR-1990 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Maps centered on this site