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Mammoth

Producer in Baker county in Oregon, United States with commodities Gold, Silver, Arsenic
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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. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10109332
MRDS ID M014070
Record type Site
Current site name Mammoth
Related records 10297791

Geographic coordinates

Geographic coordinates: -118.25966, 44.82235 (WGS84)

Site location context

Political divisions (FIPS codes)

Baker(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Ireland(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 008S 036E 35 SE Oregon

Comments on the location information

  • SE 1/4, A FEW HUNDRED FEET EAST OF THE BELLE OF BAKER MINE AND ON THE SAME VEIN

Commodities

Commodity Importance
Gold Primary
Silver Primary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Pyrite Ore
Calcite Gangue
Quartz Gangue
Roscoelite Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Bald Mountain Batholith
    Rock description Bald Mountain Batholith
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Early Triassic
    Stratigraphic age (youngest) Late Cretaceous
  • 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) -118.25966, 44.82235
ListMap

Economic information

Ore body information

  • Strike N 45 E
    Dip 70 SE
    Width 10.67M

Controls for ore emplacement

  • Shear Zone Along Contact Between Granodiorite And Argillite.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Cracker Creek

Land status

Ownership category
Area name Wallowa-Whitman National Forest

Comments on the production information

  • ESTIMATED AT $40,000 PRIOR TO 1931. BULLION 500 TO 600 FINE.

Comments on the workings information

  • DEVELOPED BY 300-FT. DEEP SHAFT WITH DRIFTS. ESTIMATED AT $40,000 PRIOR TO 1931. BULLION 500 TO 600 FINE.

Reference information

Bibliographic references

  • Deposit

    BROOKS, H.C. AND RAMP, L., 1968, GOLD AND SILVER IN OREGON; ODGMI BULL. 61, P. 76

  • Deposit

    OREGON METAL MINES HANDBOOK; 1939, ODGMI BULL. 14-A, P.34.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1976 Lee, W. U.S. Geological Survey
Updater 01-JUN-1980 Bradley, Robin (Walker, George W.) 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