Dunlap Mine

Occurrence in Marion county in Oregon, United States with commodities Gold, Silver
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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10095312
MRDS ID M025274
Record type Site
Current site name Dunlap Mine
Related records 10225376

Geographic coordinates

Geographic coordinates: -122.0806, 44.80843 (WGS84)

Site location context

Political divisions (FIPS codes)

Marion(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mother Lode Mountain(quadrangle 1:24,000 scale)

North Santiam River(quadrangle 1:100,000 scale)

Salem(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North Santiam(hydrologic unit)

Willamette(hydrologic accounting unit)

Willamette(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Willamette 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 Marion

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 009S 006E 09 Oregon

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Analytical data

Result ORE SAMPLE ASSAYED 0.19 OZ/TON AU
Result 0.62 OZ/TON AG

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Sardine
    Rock description Sardine
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene

Nearby scientific data

(1) -122.0806, 44.80843

Economic information

Ore body information

  • Dip 90
    Width 0.46M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1904

Mining district

District name North Santiam

Land status

Ownership category National Forest
Area name Willamette National Forest

Comments on the workings information

  • 105 FEET TOTAL ON SEVERAL TUNNELS.

Comments on development

  • EQUIPPED WITH 1 STAMP MILL (1945)

Reference information

Bibliographic references

  • Deposit

    OREGON METAL MINES HANDBOOK, 1951, ODGMI BULL. 14-D, P. 119

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-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.