Union Mine

Past Producer in Baker county in Oregon, United States with commodity Gold
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. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10098357
MRDS ID M025503
Record type Site
Current site name Union Mine
Alternate or previous names Union Tunnel Company, Cynthia Claims
Related records 10298786

Geographic coordinates

Geographic coordinates: -117.34463, 44.87764 (WGS84)
Elevation 1317
Relative position ABOUT ONE MILE NORTHWEST OF SPARTA

Site location context

Political divisions (FIPS codes)

Baker(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sparta Butte(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)

Federal lands

Wallowa-Whitman 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 Baker

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 008S 044E 9 SW OF SW Oregon

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Iron Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Sparta Complex
    Rock description Sparta Complex
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -117.34463, 44.87764

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1875

Mining district

District name Sparta District

Land status

Ownership category National Forest
Area name Wallowa-Whitman National Forest

Ownership information

  • Type Operator
    Owner J. Thompson
    Home office Baker, Or.
    First year 1979

Comments on the production information

  • PRODUCTION FIGURES NOT VERIFIED.

Reference information

Bibliographic references

  • Deposit

    LINDGREN, W., 1901, GOLD BELT OF THE BLUE MOUNTAINS OF EASTERN OREGON; USGS ANN. REPT. NO. 22, P. 736

  • Production

    LINDGREN,1901

General comments

Subject category Comment text
Deposit Discovery Year: 1870'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1981 Ferns, Mark L. (Brooks, Howard C.) Oregon Department of Geology and Mineral Industries
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.