Mac Dougall Group

Occurrence in Baker county in Oregon, United States with commodity Copper
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. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10032827
MRDS ID M014593
Record type Site
Current site name Mac Dougall Group
Alternate or previous names Copper King Group
Related records 10225072

Geographic coordinates

Geographic coordinates: -116.80018, 45.0718 (WGS84)

Site location context

Political divisions (FIPS codes)

Baker(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Homestead(quadrangle 1:24,000 scale)

Riggins(quadrangle 1:100,000 scale)

Grangeville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Brownlee Reservoir(hydrologic unit)

Middle Snake-Powder(hydrologic accounting unit)

Middle Snake(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 Baker

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 006S 048E 1 W OF W Oregon

Comments on the location information

  • ABOUT 5 MILES NORTH OF HOMESTEAD, 1/2 MILE TO A MILE FROM THE RIVER AND UP TO 2,500 FEET ABOVE IT. MORE THAN 40 CLAIMS ( 19 PATENTED )

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Bornite Ore
Chalcocite Ore
Chalcopyrite Ore
Chrysocolla Ore
Limonite Ore
Pyrite Ore
Calcite Gangue
Chlorite Gangue
Epidote Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Doyle Creek Formation-Seven Devils Group
    Rock description Doyle Creek Formation-Seven Devils Group
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -116.80018, 45.0718

Economic information

Geologic structures

Type of structure Local
Structure description Considerable Shattering

Ore body information

  • General form LENSES

Controls for ore emplacement

  • Shear Zones Along Contacts Between Metabasalt And Sandstone.

Comments on the geologic information

  • GEOL.DESC: THE REGION CONSISTS OF A GREENSTONE SERIES, WHICH IS MADE UP OF ALTERED DENSE PROPHYRITIC AND AMYGDALOIDAL FLOWS WITH INTERBEDDED BRECCIAS AND TUFFS AND POSSIBLY SOME INTERCALATED SHEETS AND SILLS.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Homestead

Ownership information

  • Type Operator
    Owner Crown Copper Co.
  • Type Owner
    Owner Lindley C. Binford
    Home office Portland, Or.

Comments on the workings information

  • DEVELOPED BY SEVERAL HUNDRED FEET OF TUNNELS.

Reference information

Bibliographic references

  • Deposit

    OREGON METAL MINES HANDBOOK, 1939 , ODGMI BULL. 14 - A, P. 63 .

  • Deposit

    HULL, D., 1976, MACDOUGAL PROSPECT: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES UNPUBLISHED REPORT.

  • Deposit

    1976 COMPIL ODGMI SUMMARY REPOR

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1976 Lee, W. U.S. Geological Survey
Updater 01-NOV-1979 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.