Sheep Rock Deposits

Past Producer in Grant county in Oregon, United States with commodities Chromium, Platinum
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. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10033097
MRDS ID M015022
Record type Site
Current site name Sheep Rock Deposits
Alternate or previous names Morgan, Campbell, Hanenkrat, Big Bertha No. 1, Lost Creek
Related records 10298798

Geographic coordinates

Geographic coordinates: -118.73799, 44.32735 (WGS84)

Site location context

Political divisions (FIPS codes)

Grant(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Strawberry Mountain(quadrangle 1:24,000 scale)

John Day(quadrangle 1:100,000 scale)

Canyon City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper John Day(hydrologic unit)

John Day(hydrologic accounting unit)

Middle Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Malheur National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Strawberry Mountain Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Oregon Grant

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 014S 033E 22 S Oregon

Comments on the location information

  • ON SHEEP ROCK; EAST SIDE OF INDIAN CREEK

Commodities

Commodity Importance
Chromium Critical Primary
Platinum Critical Primary

Materials information

Materials Type of material
Chromite Ore

Analytical data

Result LOW GRADE ORE
Result 30 TO 40 % OF CHROMIC OXIDE

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
    Rock unit name Canyon Mountain Complex
    Rock description Canyon Mountain Complex
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -118.73799, 44.32735

Economic information

Ore body information

  • General form ORE BODY WAS WEDGE SHAPED ( 4 FT. WIDE AT TOP, 1 FT. AT DEPTH OF 15 FT. )
  • General form ORE BODY WAS WEDGE SHAPED ( 4 FT. WIDE AT TOP, 1 FT. AT DEPTH OF 15 FT. )

Comments on the geologic information

  • GEOL.DESC: PLANAR BANDS FEATHER OUT LENGTHWISE, LATERAL CONTACTS ARE COMMONLY WELL DEFINED.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Canyon

Land status

Ownership category
Area name Malheur Natioal Forest

Comments on the workings information

  • OPEN CUT 20 FT. LONG, 10 FT. WIDE, 5 FT. DEEP.

Reference information

Bibliographic references

  • Deposit

    WESTGATE, L. G., 1920 , DEPOSITS OF CHROMITE IN EASTERN OREGON: U.S.G.S. BULL. 725 - A. P. 43 .

  • Deposit

    THAYER, T. P., 1940 , CHROMITE DEPOSITS OF GRANT COUNTY, ORE. U.S.G.S., BULL. 922 - D, P. 108 .

  • Deposit

    OREGON METAL MINES HANDBOOK, 1941 , ODGMI, BULL. 14 - B, P. 27 , 36 .

General comments

Subject category Comment text
Deposit ORE IS SPOTTED, SHOWS DISTINCT VERTICAL LINEAR BANDING COMBINED WITH PLANAR BANDING STRIKING N 60 E.
Deposit RECORDS (M015021) AND (M015023) HAVE BEEN MERGED WITH THIS RECORD AND DELETED FROM THE OREGON FILE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1976 Lee, W. U.S. Geological Survey
Updater 01-APR-1980 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.