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Big Four Mine

Occurrence in Grant county in Oregon, United States with commodities Gold, Silver
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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 10033396
MRDS ID M015735
Record type Site
Current site name Big Four Mine
Related records 10128750

Geographic coordinates

Geographic coordinates: -118.43911, 44.87068 (WGS84)
Elevation 1707

Site location context

Political divisions (FIPS codes)

Grant(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Granite(quadrangle 1:24,000 scale)

Bates(quadrangle 1:100,000 scale)

Canyon City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North Fork John Day(hydrologic unit)

John Day(hydrologic accounting unit)

Middle Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Umatilla National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

North Fork John Day Wilderness(Wilderness)

Wilderness 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 008S 035E 13 Oregon

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Ten Cent Creek Stock
    Rock description Ten Cent Creek Stock
    Stratigraphic age (youngest) Early Triassic
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Elkhorn Ridge Argillite
    Rock description Elkhorn Ridge Argillite

Nearby scientific data

(1) -118.43911, 44.87068
ListMap

Economic information

Ore body information

  • Strike N90E
    Dip 90

Comments on the geologic information

  • THE VEIN IS A QUARTZ - ARGILLITE BRECCIA CUT BY STRANDS AND STRINGERS OF MASSIVE TO VUGGY QUARTZ

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Granite

Land status

Ownership category National Forest
Area name Wallowa-Whitman National Forest

Comments on the workings information

  • ABOUT 600 FT OF WORKINGS ON TWO LEVELS

Reference information

Bibliographic references

  • Deposit

    BROOKS, H.C. AND OTHERS, 1982, MAP OF THE GEOLOGY AND MINERAL DEPOSITS OF THE GRANITE QUADRANGLE, GRANT COUNTY, OREGON; ODGMI MAP IN PREPARATION

General comments

Subject category Comment text
Deposit COMPOISITE QUARTZ VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1980 Ferns, Mark L. (Brooks, Howard C.) U.S. Geological Survey
Updater 01-JAN-1982 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.

External references

Maps centered on this site