Detroit Dam Occurrence

Occurrence in Linn county in Oregon, United States with commodities Copper, Lead, Zinc
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. Reporter information

Geologic information

Identification information

Deposit ID 10036508
MRDS ID M025335
Record type Site
Current site name Detroit Dam Occurrence
Related records 10273847

Geographic coordinates

Geographic coordinates: -122.25005, 44.69814 (WGS84)

Site location context

Political divisions (FIPS codes)

Linn(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lawhead Creek(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 Linn

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 010S 005E 18 S OF S Oregon

Comments on the location information

  • ALONG THE SOUTHWEST ARM OF DETROIT RESEVOIR

Commodities

Commodity Importance
Copper Primary
Lead Primary
Zinc Critical Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Pyrite Ore
Sphalerite Ore
Calcite Gangue
Chlorite Gangue
Epidote Gangue
Quartz Gangue
Sericite Gangue

Alteration

  • (Local) Propylitic

Analytical data

Result 100 PPM CU

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Detroit Stock
    Rock description Detroit Stock
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Sardine
    Rock description Sardine

Nearby scientific data

(1) -122.25005, 44.69814

Economic information

Comments on the geologic information

  • PYRITE AND TRACE AMOUNTS OF BASE METAL SULFIDES OCCUR IN SHEAR ZONES AND AS FRACTURE-FILLINGS AND DISSEMINATIONS.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name North Santiam

Land status

Ownership category National Forest

Comments on the workings information

  • OUTCROP

Reference information

Bibliographic references

  • Deposit

    POWER, S.G., AND FIELD, C.W., 1981, THE GEOLOGY, MINERALLIZATION, AND METALLIZATION OF MINING DISTRICTS IN THE WESTERN CASCADES OF OREGON AND SOUTHERN WASHINGTON; ODGMI SPEC. PAPER IN PREPE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-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.