Diamond Flat

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

Geologic information

Identification information

Deposit ID 10033298
MRDS ID M015605
Record type Site
Current site name Diamond Flat
Related records 10225246

Geographic coordinates

Geographic coordinates: -123.87088, 42.02343 (WGS84)
Relative position IN HEADWATERS OF N. FORK OF DIAMOND CREEK

Site location context

Political divisions (FIPS codes)

Curry(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Buckskin Peak(quadrangle 1:24,000 scale)

Grants Pass(quadrangle 1:100,000 scale)

Medford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Smith(hydrologic unit)

Northern California Coastal(hydrologic accounting unit)

Klamath-Northern California Coastal(hydrologic subregion)

California(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 041S 010W 2 Oregon

Commodities

Commodity Importance
Nickel Critical Primary
Chromium Critical Secondary

Analytical data

Result SIX SAMPLES AVERAGED 0.75 PERCENT NI

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite
    Rock unit name Josephine Ultramafic Sheet;Josephine Ultramafic Sheet
    Rock description Josephine Ultramafic Sheet;Josephine Ultramafic Sheet

Nearby scientific data

(1) -123.87088, 42.02343

Economic information

Ore body information

  • General form BANDS, LENSES
    Thickness 12.19M

Comments on the geologic information

  • LATERITES APPEAR TO BE EROSIONAL REMNANTS OF AN EXTENSIVE WEATHERED SURFACE ON THE PERIDOTITE. SERPENTINIZED HARZBURGITE WITH A FEW PATCHES OF DUNITE CONTAINING CHROMITE BANDS AND LENSES. ASSOCIATED LARGE COMPLEX OF DIORITE DIKES.

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, LEN, 1978 , INVESTIGATIONS OF NICKEL IN OREGON: ODGMI MISC. PAPER NO. 20 , P. 26

  • Deposit

    RAMP, L. AND OTHERS, 1977, GEOLOGY, MINERAL RESOURCES AND ROCK MATERIAL OF CURRY COUNTY, OREGON; ODGMI BULL. 93, P.48

General comments

Subject category Comment text
Deposit ESTIMATED AVERAGE UNWEATHERED ROCK CONTENT IN SOIL IS 50 % BY VOLUME

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1979 Bradley, Robin (Walker, George W.) U.S. Geological Survey
Updater 01-MAR-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.