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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Willis

Occurrence in Douglas county in Oregon, United States with commodity Gold
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10042929
MRDS ID M061258
Record type Site
Current site name Willis
Related records 10177124

Geographic coordinates

Geographic coordinates: -123.42449, 42.72482 (WGS84)
Elevation 488

Site location context

Political divisions (FIPS codes)

Douglas(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Glendale(quadrangle 1:24,000 scale)

Canyonville(quadrangle 1:100,000 scale)

Medford(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 033S 006W 9 NW OF NW Oregon

Comments on the location information

  • NW 1/4 NW 1/4

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Pyrite Ore

Alteration

  • (Local) Iron Stain

Analytical data

Result SAMPLES ASSAYED TRACE - 0.01 OZ/TON AU

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock
    Rock unit name Rogue Volcanics
    Rock description Rogue Volcanics

Nearby scientific data

(1) -123.42449, 42.72482
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: METAVOLCANICS ARE IN PART ALTERED RHYOLITE WITH SPARSELY DISSEMINATED PYRITE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Riddle

Land status

Ownership category Private

Comments on the workings information

  • ADIT 200'

Comments on development

  • NOW PART OF GLENDALE WATER SUPPLY.

Reference information

Bibliographic references

  • Deposit

    RAMP, L., 1972, GEOLOGY AND MINERAL RESOURCES OF DOUGLAS COUNTY, OREGON; ODGMI BULL. 75, P.45

  • Deposit

    OREGON METAL MINES HANDBOOK, 1940, ODGMI BULL. 14-C, VOL. 1, P.117

General comments

Subject category Comment text
Deposit VOLCANOGENIC?
Deposit PROBABLY A SHEAR ZONE TYPE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1979 Johnson, Maureen G. 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.

Maps centered on this site