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Red Mountain Mines

Producer in Jackson county in Oregon, United States with commodities Chromium, Platinum, Rhodium, Palladium, Iridium, Ruthenium
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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. Land status
  17. Ownership information
  18. Production statistics
  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 10109711
MRDS ID M061619
Record type Site
Current site name Red Mountain Mines

Geographic coordinates

Geographic coordinates: -122.83974, 42.0615 (WGS84)
Elevation 1999
Relative position ABOUT 1 MI NORTHEAST OF WRANGLE CAMPGROUND

Site location context

Political divisions (FIPS codes)

Jackson(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Siskiyou Peak(quadrangle 1:24,000 scale)

Medford(quadrangle 1:100,000 scale)

Medford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Applegate(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 Jackson

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 040S 001W 29,32 SE4 (29) OF NE4 (32) Oregon

Comments on the location information

  • UTM GIVEN IS FOR PGE SAMPLE SITE LOCATION. LAT/LONG GIVEN IS FOR ADIT SYMBOL SHOWN ON TOPO MAP IN SE/4 SEC. 29; UTM FOR THIS IS 4656420N, 513360E.

Commodities

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

Comments on the commodity information

  • CHROMITE IS COARSE

Materials information

Materials Type of material
Chromite Ore
Calcite Gangue
Magnetite Gangue

Alteration

  • (Local) Malachite, Calcite, Chrome Chlorite On Fractures

Analytical data

Result ONE SHIPMENT REPORTEDLY ASSAYED 55.57% CR2O3 WITH A 3.92 CR/FE RATIO
Result 1 PGE ANALYSIS: PT=12 PPB
Result PD=<4 PPB
Result IR=100 PPB
Result RU=300 PPB
Result RH=23 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 Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
    Rock unit name Dutchman Peak Melange;Dutchman Peak Melange
    Rock description Dutchman Peak Melange;Dutchman Peak Melange

Nearby scientific data

(1) -122.83974, 42.0615
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Chromite Ore Bodies Are Highly Fractured

Ore body information

  • General form PODS OF MASSIVE ORE, IRREGULAR STRINGERS, DISSEMINATED

Controls for ore emplacement

  • Magmatic Segregation

Comments on the geologic information

  • THE ULTRAMAFIC ROCKS HAVE BEEN RECRYSTALLIZED. DUNITE IS BLOCKY. CHROMITE-COUNTRY ROCK CONTACTS ARE SHARP ; GEOL.DESC: DUNITE GRADES INTO PERIDOTITE

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category National Forest
Area name Rogue River National Forest

Ownership information

  • Type Operator
    Owner Everett Mctimmonds And James Stinebaugh
    First year 1954
  • Type Owner
    Owner J. H. Lewis, Carl W. Clark
    First year 1961

Production statistics

  • Year 1954
    Material ORE
    Accuracy Estimate
    Description Ap_Grade: ^54% Cr2o3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cr2O3 Ore Chromium Chromium 54wt-pct
  • Year 1955
    Material ORE
    Accuracy Estimate
    Description Ap_Grade: ^50% Cr2o3 (Conc.)
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cr2O3 Ore Chromium Chromium 50wt-pct
  • Year 1955
    Period 1954-1955
    Material TOTAL
    Accuracy Estimate
    Description Cp_Grade: ^52.88% Cr2o3 (Weighted Average Grade)
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Cr2O3 Ore Chromium Chromium 53wt-pct

Workings at the site

  • Type of workings Surface/Underground
    Length 3.05M

Comments on the workings information

  • SMALL CUTS AND TRENCHES, A DRIFT

Reference information

Bibliographic references

  • Deposit

    RAMP, LEN, 1961, CHROMITE IN SOUTHWESTERN OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 52, P. 89-90.

  • Deposit

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

  • Deposit

    PAGE, N.J, JOHNSON, M.G., HAFFTY, JOSEPH, AND RAMP, LEN, 1975, OCCURRENCE OF PLATINUM GROUP METALS IN ULTRAMAFIC ROCKS OF THE MEDFORD-COOS BAY 2 DEGREE QUADRANGLE, SOUTHWESTERN OREGON: U.S. GEOLOGICAL SURVEY MISCELLANEOUS FIELD STUDIES MAP MF-694, SCALE 1:250,000.

  • Deposit

    FERNS, M.L., 1979, PETROLOGY AND PETROGRAPHY OF THE WRANGLE GAP-RED MOUNTAIN ULTRAMAFIC BODY: EUGENE, UNIVERSITY OF OREGON, MS THESIS, 125 P.

  • 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 RECORD M013851 AND M013852 HAVE BEEN MERGED AND DELETED.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1976 Johnson, Maureen G. U.S. Geological Survey
Updater 01-JAN-1981 Ferns, Mark L. (Brooks, Howard C.) Oregon Department of Geology and Mineral Industries
Updater 01-MAY-1989 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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

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