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Dodson Butte Prospects

Occurrence in Douglas county in Oregon, United States with commodities Copper, 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. Land status
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10036409
MRDS ID M025199
Record type Site
Current site name Dodson Butte Prospects
Alternate or previous names Green Gulch Group
Related records 10128339

Geographic coordinates

Geographic coordinates: -123.21199, 43.13065 (WGS84)

Site location context

Political divisions (FIPS codes)

Douglas(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dixonville(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)

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 Douglas

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 028S 004W 19 Oregon

Commodities

Commodity Importance
Copper Primary
Silver Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Malachite Ore
Pyrite Ore

Analytical data

Result ODGMI ASSAYS RAN TRACE AU
Result TRACE - 0.20 OZ/TON AG
Result 1.45 - 7.90 % CU

Host and associated rocks

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

Nearby scientific data

(1) -123.21199, 43.13065
ListMap

Economic information

Ore body information

  • General form IRREGULAR

Controls for ore emplacement

  • Contact Between Gabbro And Serpentine

Comments on the geologic information

  • IRREGULAR AND SPARSELY DISTRIBUTED PARTICLES OF CHALCOPYRITE OCCUR IN METAGABBRO ALONG A CONTACT WITH SERPENTINE. SECONDARY MALACHITE AND AZURITE OCCURS IN THE SERPENTINE

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category Federal

Comments on the workings information

  • 450 FT OF TUNNELS AND SEVERAL OPEN CUTS

Reference information

Bibliographic references

  • Deposit

    RAMP, L., 1972, GEOLOGY AND MINERAL RESOURCES OF DOUGLAS COUNTY, OREGON; ODGMI BULL. 75, P. 25-27

  • Deposit

    RAMP, L. AND DOLE, H.M., 1957, GREEN GULCH GROUP; ODGMI UNPUBLISHED FILE REPORT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-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.

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