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Steen Mtn.

Past Producer in Harney county in Oregon, United States with commodity Mercury
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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. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Production statistics
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10040269
MRDS ID M054972
Record type Site
Current site name Steen Mtn.
Alternate or previous names Stephanson and Bradley

Geographic coordinates

Geographic coordinates: -118.55102, 42.57348 (WGS84)

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 034S 034E 19 Oregon

Comments on the location information

  • LOCATED ON MINE SYMBOL, SECTION 19

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore
Limonite Ore
Clay Gangue

Alteration

  • (Local) Silicification, Clay Alteration

Mineral occurrence model information

Model code 177
USGS model code 27a
Deposit model name Hot-spring Hg

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Pike Creek Formation
    Rock description Pike Creek Formation
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene

Nearby scientific data

(1) Landslide and debris-flow deposits
ListMap

Economic information

Controls for ore emplacement

  • Two Sets Of Fractures

Comments on the geologic information

  • THE MINERALIZATION OCCURS ALONG FRACTURES IN A LAMINATED RHYOLITE IMMEDIATELY BENEATH THE CONTACT WITH AN OVERLYING, THICK SHEET OF DACITE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1938
Discoverer Glenn Stephenson, Bert Roark
Production years 1941 - 1942, 1961

Mining district

District name Steens - Pueblo

Ownership information

  • Type Owner
    Owner R. A. Officer, R. W. White
    First year 1963

Production statistics

  • Year 1963
    Period To 1963
    Material HG
    Accuracy Accurate
    Description Cp_Grade: ^3-4 Lb/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Mercury Mercury 1581g/mt

Comments on the reserve resource information

  • NO RESERVES

Workings at the site

  • Type of workings Surface/Underground
    Length 82.3M

Reference information

Bibliographic references

  • Deposit

    BROOKS, H. C., 1963, QUICKSILVER IN OREGON: OREGON DEPT. OF GEOLOGY AND MINERAL INDUSTRIES, BULL. 55, 223 P.

  • Deposit

    BAILEY, E. H., USGS, PERSONAL FILES

  • Deposit

    MERCURY IN OREGON, 1965, USBM IC 8252

  • Deposit

    FREDERICK, F., 1945, STATE OF OREGON MAP SHOWING LOCATION OF QUICKSILVER DEPOSITS: OREGON DEPT. OF GEOL. AND MIN. INDUSTRIES, SCALE 1:1,000,000

  • Deposit

    5) ROSS, C.P., 1942, QUICKSILVER DEPOSITS

  • Production

    BROOKS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1976 Peterson, Jocelyn A. U.S. Geological Survey
Updater 01-AUG-1980 Ferns, Mark L. (Brooks, Howard C.) U.S. Geological Survey
Updater 01-AUG-1993 Gray, Jerry J. Oregon Department of Geology and Mineral Industries
Updater 01-MAY-1995 Li, Zhiping (Peters, S.) U.S. Geological Survey

Beyond USGS

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

Maps centered on this site