Chetco Lake Occurrence

Occurrence in Curry 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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10043114
MRDS ID M061612
Record type Site
Current site name Chetco Lake Occurrence
Related records 10225296

Geographic coordinates

Geographic coordinates: -123.96283, 42.16149 (WGS84)
Elevation 1052

Site location context

Political divisions (FIPS codes)

Curry(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Chetco Peak(quadrangle 1:24,000 scale)

Grants Pass(quadrangle 1:100,000 scale)

Medford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Chetco(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)

Kalmiopsis Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Oregon Curry

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 039S 011W 23 Oregon

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Alteration

  • (Local) Bleached & Sheared Serpentinized Dunite

Analytical data

Result MASSIVE CHROMITE ASSAYED 42.04% CR2O3, 10.51% FE, & 8.42% SIO2

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
    Rock unit name Josephine Peridotite;Dothan
    Rock description Josephine Peridotite;Dothan
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -123.96283, 42.16149

Economic information

Ore body information

  • General form LENS
    Strike N 50 W
    Dip 35 NE
    Thickness 0.91M
    Length 30.48M
    Width 0.25M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category National Forest
Area name Siskiyou National Forest

Reference information

Bibliographic references

  • Deposit

    RAMP, L. AND OTHERS, 1977, GEOLOGY, MINERAL RESOURCES AND ROCK MATERIAL, CURRY COUNTY, OREGON; ODGMI BULL. 93, P. 30.

  • Deposit

    RAMP, L., 1961, CHROMITE IN SOUTHWESTERN OREGON; ODGMI BULL. 52, P.96

General comments

Subject category Comment text
Deposit RECORD NUMBER (M013199) HAS BEEN MERGED WITH THIS RECORD AND DELETED FROM THE OREGON FILE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1994 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.