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Rough and Ready Ridge

Past Producer in Josephine county in Oregon, United States with commodities Chromium, Nickel, 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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  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 10033289
MRDS ID M015594
Record type Site
Current site name Rough and Ready Ridge
Alternate or previous names Part of the Rough and Ready Group
Related records 10201336

Geographic coordinates

Geographic coordinates: -123.76671, 42.07454 (WGS84)

Site location context

Political divisions (FIPS codes)

Josephine(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)

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 Josephine

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 040S 009W 22 Oregon

Commodities

Commodity Importance
Chromium Critical Primary
Nickel Critical Primary
Cobalt Critical Tertiary

Alteration

  • (Local) Serpentinization

Analytical data

Result CALCULATED AVERAGE GRADE OF SOIL AND SAPROLITE IS 0.85 % NI, 0.13 % CO, 2 % CR.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -123.76671, 42.07454
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Economic information

Geologic structures

Type of structure Local
Structure description Shear Zone - Fault Contact

Ore body information

  • Thickness 7.62M

Comments on the geologic information

  • AREA UNDERLAIN BY SERPENTINIZED HARZBURGITE OF JOSEPHINE ULTRAMAFIC SHEET, IN FAULT CONTACT WITH UPPER JURASSIC GALICE FORMATION. FAULT IS VERTICAL AND STRIKES ABOUT N. 20 E. LATERITE IS REMNANT OF OLD UPLAND WEATHERED SURFACE.

Economic information about the deposit and operations

Development status Past Producer
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. 35 - 37

  • Deposit

    1968 DIREXPL COMINCO-AMERICAN, INC. TRENCHING, AUGERING; MAPPING BY AREAL PHOTOGRAPHY.

  • Deposit

    1973 DIREXPL INSPIRATION DEVELOPMENT COMPANY EXTENSIVE EXPLORATION

  • Deposit

    1977 DIREXPL USBM BACKHOE SAMPLING

General comments

Subject category Comment text
Deposit ESTIMATED VOLUME OF UNWEATHERED ROCK IN SOIL ZONE IS 45 %

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.

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