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Sourdough Flat

Occurrence in Curry county in Oregon, United States with commodities Nickel, Chromium, Cobalt
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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. 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 10033300
MRDS ID M015607
Record type Site
Current site name Sourdough Flat
Related records 10200984

Geographic coordinates

Geographic coordinates: -123.84449, 42.27232 (WGS84)
Relative position ABOUT 20 MILES FROM SELMA ON U.S. 199

Site location context

Political divisions (FIPS codes)

Curry(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)

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 038S 010W 11 SW Oregon

Commodities

Commodity Importance
Nickel Critical Primary
Chromium Critical Secondary
Cobalt Critical Secondary

Materials information

Materials Type of material
Soil Ore

Analytical data

Result SOIL AND SAPROLITE AVERAGE ABOUT 1.00 % NI
Result 0.07 % CO
Result 1.25 % CR

Nearby scientific data

(1) -123.84449, 42.27232
ListMap

Economic information

Ore body information

  • General form LARGE LANDSLIDE BLOCK
    Thickness 15.24M

Comments on the geologic information

  • LANDSLIDE MADE UP OF VERY COARSE-GRAINED DUNITE, HARZBURGITE, SERPENTINITE, OCCASSIONAL DIKE ROCK FRAGMENTS AND RED TO YELLOW-BROWN LATERITIC SOIL.

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

Comments on the workings information

  • SMALL PITS AND TRENCHES

Reference information

Comments on the other database information

  • RECORD NUMBER MP00071 IS A POTENTIAL DUPLICATE OF THIS RECORD

Bibliographic references

  • Deposit

    RAMP, LEN, 1978 , INVESTIGATIONS OF NICKEL IN OREGON: ODGMI MISC. PAPER NO. 20 , P. 55 .

  • Deposit

    RAMP, L. AND OTHERS, 1977, GEOLOGY, MINERAL RESOURCES AND ROCK MATERIAL OF CURRY COUNTY, OREGON; ODGMI BULL. 93, P.50

  • Deposit

    1974 RECON RAMP, ODGMI HAD NOT PREVIOUSLY RECOGNIZED AS A NICKEL PROSPECT

General comments

Subject category Comment text
Deposit AMT. UNWEATHERED ROCK IN SOIL IS ESTIMATED TO BE FROM 30 TO 80 %.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1979 Bradley, Robin (Walker, George W.) 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.

Maps centered on this site