Steens Mountain Mine

Past Producer in Harney county in Oregon, United States with commodity Mercury
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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10201711
MRDS ID MO54972
MAS/MILS ID 0410250017
Record type Site
Current site name Steens Mountain Mine
Alternate or previous names Stephanson & Bradley

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -118.55242, 42.57347 (WGS84)
Elevation 1829
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Harney(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Alvord Hot Springs(quadrangle 1:24,000 scale)

Steens Mountain(quadrangle 1:100,000 scale)

Adel(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alvord Lake(hydrologic unit)

Oregon Closed Basins(hydrologic accounting unit)

Oregon Closed Basins(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management OR)

Bureau of Land Management OR BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Oregon Harney

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 034 S 034 E 19 E2 Oregon

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Chalcedony Unknown
Cinnabar Unknown
Pyrite Unknown

Nearby scientific data

Main Entrance (1) Landslide and debris-flow deposits

Economic information

Ore body information

  • Strike N20W
    Dip 70E
    Thickness 1M
    Length 30M
    Width 15M
    Depth to top 0M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 SHEAR ZONE
    Type of Orebody #2 BRECCIA FILL
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Degree of Wallrock Alter. NONE
    Strike And Dip N20W:70E
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830316
  • Area 10HA
    Field Value
    Total Surface Area (HA) 10
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1938
Year of first production 1941

Mining district

District name Steens-Pueblo District

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category BLM Administrative Area

Reference information

Bibliographic references

  • Deposit

    OR. DEPT. GEOL. AND MIN. INDUST. BULLETIN 55, 1963,

  • Deposit

    P. 193-194.

  • Deposit

    U.S. BUREAU OF MINES IC 8252, 1965, TABLE 26, P. 331.

Reporter information

Type Date Name Affiliation Comment
Reporter 19-SEP-95 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.