Mother Lode Group

Occurrence in Marion county in Oregon, United States with commodities Copper, Silver, Lead, Gold
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 10095314
MRDS ID M025280
Record type Site
Current site name Mother Lode Group
Alternate or previous names Cascade Gold and Silver
Related records 10250382

Geographic coordinates

Geographic coordinates: -122.08338, 44.86704 (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)

Clackamas(hydrologic unit)

Willamette(hydrologic accounting unit)

Willamette(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Mt. Hood National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Bull of the Woods 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 006E 21 Oregon

Commodities

Commodity Importance
Copper Primary
Silver Primary
Lead Primary
Gold Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Malachite Ore
Epidote Gangue
Quartz Gangue
Sericite 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) -122.08338, 44.86704

Economic information

Ore body information

  • Strike N 20 W
    Dip 75 SW
    Width 0.61M

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 Mt. Hood National Forest

Comments on the workings information

  • 80 FOOT CROSSCUT ADIT AND OPEN CUTS

Reference information

Bibliographic references

  • Deposit

    OREGON METAL MINES HANDBOOK, 1951, ODGMI BULL. 14-D, P. 122

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.