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Old Middleman

Occurrence in Baker 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. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10036535
MRDS ID M025399
Record type Site
Current site name Old Middleman
Alternate or previous names Ralph Vein, Part of the Columbia Group
Related records 10200512

Geographic coordinates

Geographic coordinates: -118.20827, 44.82235 (WGS84)
Elevation 1707
Relative position FIVE MILES NORTH OF SUMPTER

Site location context

Political divisions (FIPS codes)

Baker(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bourne(quadrangle 1:24,000 scale)

Bates(quadrangle 1:100,000 scale)

Canyon 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 009S 037E 32 NE OF SW Oregon

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro
    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) -118.20827, 44.82235
ListMap

Economic information

Ore body information

  • Width 1.52M

Controls for ore emplacement

  • Fault Zone

Comments on the geologic information

  • COMPOSITE QUARTZ-ARGILLITE BRECCIA ZONE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Cracker Creek District

Land status

Ownership category Private
Area name Wallowa-Whitman National Forest

Ownership information

  • Type Operator
    Owner Brooks Minerals Inc.
    First year 1981

Comments on the workings information

  • SHORT ADIT AND SURFACE TRENCHES

Reference information

Bibliographic references

  • Deposit

    BROOKS, H.C. AND OTHERS, 1981, MAP OF THE GEOLOGY AND GOLD DEPOSITS OF THE BOURNE QUADRANGLE, BAKER AND GRANT COUNTIES, OREGON; ODGM; MAP WITH TEXT GMS-19

  • Deposit

    NELSON, D.W.C., 1923, MAP OF CRACKER, CABLE COVE, AND PORTIONS OF ROCK CREEK, IBEX, AND CABELL MOUNTAIN MINING DISTRICTS IN EASTERN OREGON

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.

Maps centered on this site