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Black Rock # 31

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

Geologic information

Identification information

Deposit ID 10043154
MRDS ID M061671
Record type Site
Current site name Black Rock # 31
Related records 10177099

Geographic coordinates

Geographic coordinates: -124.09589, 42.50481 (WGS84)
Elevation 610

Site location context

Political divisions (FIPS codes)

Curry(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Agness(quadrangle 1:24,000 scale)

Port Orford(quadrangle 1:100,000 scale)

Cape Blanco(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 Curry

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 035S 012W 35 Oregon

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Ore

Analytical data

Result PRIVATE ASSAY ONLY: 47.93% CR2O3, 14.5% FE

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -124.09589, 42.50481
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Agness

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. , P. 117

  • Deposit

    RAMP, L. AND OTHERS, 1977, GEOLOGY, MINERAL RESOURCES AND ROCK MATERIAL OF CURRY COUNTY, OREGON; ODGMI BULL. 93, 79P.

General comments

Subject category Comment text
Deposit MASSIVE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1976 Unknown U.S. Geological Survey
Updater 01-JAN-1981 Bradley, Robin (Walker, George W.) 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.

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