Sexton Mountain

Producer in Josephine county in Oregon, United States with commodity Chromium
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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Production statistics
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10109690
MRDS ID M061340
Record type Site
Current site name Sexton Mountain
Related records 10201650

Geographic coordinates

Geographic coordinates: -123.35337, 42.60315 (WGS84)
Elevation 805

Site location context

Political divisions (FIPS codes)

Josephine(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sexton Mountain(quadrangle 1:24,000 scale)

Canyonville(quadrangle 1:100,000 scale)

Medford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Rogue(hydrologic unit)

Southern Oregon Coastal(hydrologic accounting unit)

Oregon-Washington Coastal(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Oregon Josephine

Public Land Survey System information

Meridian Township Range Section Fraction State
034S 006W 24 Oregon

Commodities

Commodity Importance
Chromium Critical Primary

Comments on the commodity information

  • POSSIBLY HIGH ALUMINA

Materials information

Materials Type of material
Chromite Ore

Analytical data

Result 30.60% CR2O3, 9.53% FE, 11.80% SIO2, 21.84% MGO, 1.13% CAO
Result CALCULATED ALUMINA CONTENT IS 17.3% AL2O3

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) -123.35337, 42.60315

Economic information

Ore body information

  • General form LENS, POD
    Strike N 15 W
    Dip EAST
    Width 1.22M

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Grants Pass

Land status

Ownership category BLM Administrative Area

Production statistics

  • Year 1918
    Material ORE
    Accuracy Estimate
    Description Ap_Grade: ^33. % Cr2o3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Cr2O3 Ore Chromium Chromium 33wt-pct
  • Year 1942
    Material ORE
    Accuracy Estimate
    Description Ap_Grade: ^29.71 % Cr2o3, 9.97 % Fe, 13. % Sio2, 2.021:1 Cr:Fe
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    SiO2 Ore Silica Silica 13wt-pct
    Ore Iron Iron 10wt-pct
    Cr2O3 Ore Chromium Chromium 30wt-pct
  • Year 1943
    Material ORE
    Accuracy Estimate
    Description Ap_Grade: ^38. % Cr2o3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Cr2O3 Ore Chromium Chromium 38wt-pct

Reference information

Bibliographic references

  • Deposit

    RAMP, LEN, 1961, CHROMITE IN SOUTHWESTERN OREGON: OREGON DEPT. GEOLOGY AND MINERAL IND. BULL. 52, 169 P.

  • Deposit

    THAYER, T. P., 1974, UNPUBL. DATA

  • Deposit

    RAMP, L. AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON; ODGMI BULL. 100, 45P

General comments

Subject category Comment text
Deposit RECORD NUMBER (M013374) HAS BEEN MERGED WITH THIS RECORD AND DELETED FROM THE OREGON FILE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1982 Unknown U.S. Geological Survey
Updater 01-APR-1981 Ferns, Mark L. (Brooks, Howard C.) U.S. Geological Survey
Updater 01-AUG-1993 Gray, Jerry J. Oregon Department of Geology and Mineral Industries

Beyond USGS

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