High Ridge Claim

Occurrence 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. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10043091
MRDS ID M061581
Record type Site
Current site name High Ridge Claim
Related records 10201676

Geographic coordinates

Geographic coordinates: -123.79672, 42.32649 (WGS84)
Elevation 792

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 009W 29 Oregon

Commodities

Commodity Importance
Chromium Critical Primary

Comments on the commodity information

  • HIGH ALUMINA CHROMITE

Materials information

Materials Type of material
Chromite Ore
Aragonite Gangue
Magnetite Gangue
Talc Gangue

Analytical data

Result MUCH LOWER IN CHROMIC OXIDE THAN NEARBY DEPOSITS - 34.88% CR2O3
Result 12.78% FE. NOT ASSAYED FOR ALUMINA

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -123.79672, 42.32649

Economic information

Ore body information

  • General form BANDED
    Strike N 30 W
    Dip VERTICAL
    Width 0.91M

Comments on the geologic information

  • GEOL.DESC: FLOWAGE CAUSED BANDED APPEARANCE; HAS THE APPEARANCE OF CHROMITE BEARING DUNITE DIKE INTRUDED INTO PERIDOTITE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Central Illinois River

Land status

Ownership category National Forest
Area name Siskiyou National Forest

Reference information

Bibliographic references

  • Deposit

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

  • 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 (M015271) HAS BEEN MERGED WITH THIS RECORD AND DELETED FROM THE OREGON FILE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1982 Unknown U.S. Geological Survey
Updater 01-FEB-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.