Silver Star and Helvetia

Occurrence in Marion county in Oregon, United States with commodities Zinc, Copper, 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. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  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 10036475
MRDS ID M025290
Record type Site
Current site name Silver Star and Helvetia

Geographic coordinates

Geographic coordinates: -122.28534, 44.8587 (WGS84)

Site location context

Political divisions (FIPS codes)

Marion(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Elkhorn(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)

Opal Creek Wilderness(Wilderness)

Wilderness 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 008S 004E 23 Oregon

Commodities

Commodity Importance
Zinc Critical Primary
Copper Primary
Gold Secondary
Silver Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Sphalerite Ore
Epidote Gangue
Quartz Gangue
Specularite Gangue

Host and associated rocks

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

Nearby scientific data

(1) -122.28534, 44.8587

Economic information

Ore body information

  • Dip 90
    Width 0.46M

Comments on the geologic information

  • NEAR THE END OF THE DRIFT, THE ORE MINERALS APPEAR TO OCCUR IN JOINTLIKE FRACTURES RATHER THAN IN A WELL-DEFINED VEIN.

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
Area name Willamette National Forest

Comments on the workings information

  • MAIN TUNNEL WAS 65 FEET IN LENGTH

Reference information

Bibliographic references

  • Deposit

    OREGON METAL MINES HANDBOOK, 1951, ODGMI BULL. 14-D, P. 131

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.