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  3. Mineral Resource Data System (MRDS)

Lower Larson

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

Geologic information

Identification information

Deposit ID 10033279
MRDS ID M015583
Record type Site
Current site name Lower Larson
Related records 10128785

Geographic coordinates

Geographic coordinates: -124.09506, 42.4537 (WGS84)

Site location context

Political divisions (FIPS codes)

Curry(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Horse Sign Butte(quadrangle 1:24,000 scale)

Gold Beach(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 036S 012W 10 Oregon

Commodities

Commodity Importance
Nickel Critical Primary
Chromium Critical Primary
Cobalt Critical Primary
Iron Primary

Materials information

Materials Type of material
Soil Ore

Alteration

  • (Local) Serpentization

Analytical data

Result ASSAYS IN REFERENCE

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase

Nearby scientific data

(1) -124.09506, 42.4537
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Thrust Fault

Ore body information

  • Thickness 6.1M
    Length 762M
    Width 182.88M

Comments on the geologic information

  • ULTRAMAFICS (HARZBURCITE) IN FAULT CONTACT WITH LATE JURASSIC DOTHAN FORMATION AND EARLY CRETACEOUS MYRTLE GROUP SEDIMENTS

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. 50 - 51

  • Deposit

    RAMP, L. AND OTHERS, 1977, GEOLOGY, MINERAL RESOURCES AND ROCK MATERIAL OF CURRY COUNTY, OREGON; ODGMI BULL. 93, P.49

General comments

Subject category Comment text
Deposit AMOUNT OF UNWEATHERED ROCK IN SOIL AVERAGES 35 % BY VOLUME

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