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Delore Prospects

Producer in Grant county in Oregon, United States with commodities Chromium, 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. 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 10033005
MRDS ID M014855
Record type Site
Current site name Delore Prospects
Related records 10249596

Geographic coordinates

Geographic coordinates: -119.35524, 44.23763 (WGS84)

Site location context

Political divisions (FIPS codes)

Grant(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Flagtail Mountain(quadrangle 1:24,000 scale)

Dayville(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)

Geographic areas

Country State County
United States Oregon Grant

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 015S 028E 27 W Oregon

Comments on the location information

  • W 1/2 SEC. 27, SE 1/4 SEC. 28

Commodities

Commodity Importance
Chromium Critical Primary
Iron Primary

Materials information

Materials Type of material
Chromite Ore

Analytical data

Result ORE IS SOMEWHAT MAGNETIC, CONTAINS 21 % OF IRON
Result AVERAGES 54 % OF CHROMIC OXIDE.

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) -119.35524, 44.23763
ListMap

Economic information

Ore body information

  • General form SMALL SHEARED LENSES
    Strike N 15 E
    Dip 90
    Thickness 0.2M
    Length 0.91M

Comments on the geologic information

  • GEOL.DESC: FINE-GRAINED BROWN CHROMITE COATINGS ON SLICKENSIDED SURFACES IN SERPENTINE ARE UNUSUALLY PROMINENT.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Murderer'S Creek

Land status

Ownership category
Area name Malheur Natioal Forest

Comments on the production information

  • 50 TONS OF ORE.

Comments on the workings information

  • WORKINGS INCLUDE 8 OPEN CUTS. 50 TONS OF ORE.

Reference information

Bibliographic references

  • Deposit

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

  • Deposit

    THAYER, T. P., 1940 , CROMITE DEPOSITS OF GRANT COUNTY, ORE.: USGS BULL 922 - D, P. 112 .

  • Deposit

    OREGON METAL MINES HANDBOOK, 1941 , ODGMI BULL. 14 - B, P. 151 .

General comments

Subject category Comment text
Deposit DENSE BLACK CHROMITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1976 Lee, W. U.S. Geological Survey
Updater 01-JUL-1978 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.

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