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Chieftain

Occurrence in Douglas county in Oregon, United States with commodities Gold, Copper, Zinc
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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. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10033233
MRDS ID M015529
Record type Site
Current site name Chieftain
Related records 10274558

Geographic coordinates

Geographic coordinates: -123.09004, 43.04065 (WGS84)
Elevation 366
Relative position 12 MILES BY ROAD FROM MYRTLE CREEK

Site location context

Political divisions (FIPS codes)

Douglas(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

White Rock(quadrangle 1:24,000 scale)

Roseburg(quadrangle 1:100,000 scale)

Roseburg(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Umpqua(hydrologic unit)

Southern Oregon Coastal(hydrologic accounting unit)

Oregon-Washington Coastal(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Oregon Douglas

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 029S 003W 20 NW Oregon

Comments on the location information

  • NW 1/4

Commodities

Commodity Importance
Gold Primary
Copper Primary
Zinc Critical Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Petzite Ore
Pyrite Ore
Sphalerite Ore
Sylvanite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -123.09004, 43.04065
ListMap

Economic information

Ore body information

  • General form LENSES AND DISCONTINUOUS STRINGERS
    Strike N 80 E
    Dip 60 - 75 N
    Width 1.22M

Controls for ore emplacement

  • Shear Zone

Comments on the geologic information

  • GEOL.DESC: VEIN IS CUT BY SET OF STEEPLY DIPPING, NORTH TO NORTHEAST STRIKING, FRACTURES AND FAULTS OF SMALL DISPLACEMENT.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1898

Mining district

District name Myrtle Creek

Comments on the production information

  • BULK OF PRODUCTION PRIOR TO 1930 . RECORDS INCOMPLETE; PRODUCTION PROBABLY GREATER THAN $100,000 .

Comments on the workings information

  • ABOUT 1500 FT BULK OF PRODUCTION PRIOR TO 1930. RECORDS INCOMPLETE; PRODUCTION PROBABLY GREATER THAN $100,000 .

Reference information

Bibliographic references

  • Deposit

    OREGON METAL MINES HANDBOOK, 1940 , ODGMI BULL. 14 - C, V. 1 , P. 121 - 122 .

  • Deposit

    BROOKS, H. C., AND RAMP, L., 1968 , GOLD AND SILVER IN OREGON: ODGMI BULL. 61 , P. 268 - 270

  • Deposit

    RAMP, L., 1972, GEOLOGY AND MINERAL RESOURCES OF DOUGLAS COUNTY, OREGON: ODGMI BULL. 75, P. 34

General comments

Subject category Comment text
Deposit CHIEFTAIN AND CONTINENTAL MINES ARE ON THE SAME VEIN WHICH IS ABOUT 3000 FT LONG

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1978 Bradley, Robin (Walker, George W.) U.S. Geological Survey
Updater 01-APR-1981 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

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