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  3. Mineral Resource Data System (MRDS)

Powder River Iron

Occurrence in Baker county in Oregon, United States with commodity 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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10033321
MRDS ID M015632
Record type Site
Current site name Powder River Iron
Related records 10200760

Geographic coordinates

Geographic coordinates: -117.32602, 44.81736 (WGS84)

Site location context

Political divisions (FIPS codes)

Baker(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sparta(quadrangle 1:24,000 scale)

Baker City(quadrangle 1:100,000 scale)

Baker City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Powder(hydrologic unit)

Middle Snake-Powder(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Oregon Baker

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 008S 044E 33 SE Oregon

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Hematite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Spilite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Spilite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -117.32602, 44.81736
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Northwest Shear Zones

Ore body information

  • Length 6.1M
    Width 1.83M

Controls for ore emplacement

  • Sheared Spillite Dikes Along Contact Between Albite Granite And Quartz Diorite

Comments on the geologic information

  • HOST ROCKS ARE DIKES.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1942
Discoverer M.B. Taylor

Mining district

District name Sparta

Comments on the production information

  • 110 SHORT TONS SHIPPED IN 1962 (67.2% FE; 2.0% SIO2; 0.05% P; 0.005% S

Reference information

Bibliographic references

  • Deposit

    1944, ODGMI FILE REPORT

  • Deposit

    1960, ODGMI FILE REPORT

  • Deposit

    WAGNER, N.S., 1963, POWDER RIVER IRON OCCURRENCE, ODGMI SPECIAL REPORT

  • Deposit

    WAGNER, N.S., 1963, POWDER RIVER IRON OCCURENCE: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES.

  • Deposit

    1944 RECON ODGMI FILE REPORT

  • Deposit

    1960 GEOLMAP ODGMI SPECIAL FILE REPORT

General comments

Subject category Comment text
Deposit MAGNETITE PODS ARE WIDELY DISPERSED AND VERY SMALL IN SIZE ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1979 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