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Tennessee Pass

Past Producer in Josephine county in Oregon, 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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Land status
  16. Ownership information
  17. Production statistics
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10098505
MRDS ID M060629
Record type Site
Current site name Tennessee Pass
Alternate or previous names K #130
Related records 10298947

Geographic coordinates

Geographic coordinates: -123.70616, 42.19288 (WGS84)
Elevation 660
Relative position 3 MI WEST OF KERBY, 0.25 MI WEST OF TENNESSEE PASS

Site location context

Political divisions (FIPS codes)

Josephine(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cave Junction(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 039S;039S 009W;008W 12;07 SE4 OF NE4 (12) Oregon

Comments on the location information

  • LOCATION GIVEN IS FOR PGE SAMPLE SITE LOCATION. TOPO MAP DOES NOT SHOW A PROSPECT NEAR THAT LOCATION.

Commodities

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

Comments on the commodity information

  • CHROMITE IS MEDIUM TO COARSE GRAINED

Materials information

Materials Type of material
Chromite Ore
Olivine Gangue
Serpentine Gangue

Analytical data

Result 1 PGE ANALYSIS: PT=450 PPB
Result PD=<4 PPB
Result IR=700 PPB
Result RU=1,800 PPB
Result RH=63 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 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 Metamorphic Rock > Serpentinite
    Rock unit name Pearsoll Peak Ophiolite
    Rock description Pearsoll Peak Ophiolite

Nearby scientific data

(1) -123.70616, 42.19288
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Serpentine Is Contorted

Ore body information

  • General form LENS
    Strike NORTH
    Dip STEEP W

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
Discovery year 1918

Land status

Ownership category National Forest
Area name Siskiyou National Forest

Ownership information

  • Type Owner
    Owner T. E. Murphy And G. C. Young
    First year 1958

Production statistics

  • Year 1958
    Material ORE
    Accuracy Estimate
    Description Ap_Grade: ^50.11% Cr2o3, 13.15% Fe, 6.46% Sio2
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    SiO2 Ore Silica Silica 6wt-pct
    Cr2O3 Ore Chromium Chromium 50wt-pct
    Ore Iron Iron 13wt-pct

Comments on the workings information

  • WORKINGS CONSIST OF A CAVED TUNNEL TRENDING N 10 E AND A CAVED GLORY HOLE 20 FT IN DIAMETER AND 15 FT DEEP

Reference information

Bibliographic references

  • Deposit

    RAMP, LEN, 1961, CHROMITE IN SOUTHWESTERN OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 52, P. 155-156.

  • 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

    RAMP, LEN, AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES BULLETIN 100, TABLE 1.

  • 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.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1976 Johnson, Maureen G. U.S. Geological Survey
Updater 01-APR-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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