Mother Lode Mine

Past Producer in Baker county in Oregon, United States with commodities Copper, Gold, Silver, Barium-Barite
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. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. Reporter information

Geologic information

Identification information

Deposit ID 10069095
MRDS ID W002485
Record type Site
Current site name Mother Lode Mine
Alternate or previous names Poorman, Balm Creek Mines

Geographic coordinates

Geographic coordinates: -117.47463, 44.9168 (WGS84)
Elevation 1097
Relative position 19.5 MILES N 62 DEG E OF BAKER, OREGON

Site location context

Political divisions (FIPS codes)

Baker(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Balm Creek Reservoir(quadrangle 1:24,000 scale)

Baker City(quadrangle 1:100,000 scale)

Baker City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Powder(hydrologic unit)

Middle Snake-Powder(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management OR)

Bureau of Land Management OR BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Oregon Baker

Public Land Survey System information

Meridian Township Range Section Fraction State
007S 043E 32 Oregon

Commodities

Commodity Importance
Copper Primary
Gold Primary
Silver Primary
Barium-Barite Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Chrysocolla Ore
Gold Ore
Malachite Ore
Pyrite Ore
Ankerite Gangue
Calcite Gangue
Chalcedony Gangue

Alteration

  • (Local) Most Of The Material Is Silicified; Feldspars Are Sericitized

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Felsic Metamorphic Rock > Keratophyre
    Rock unit name Clover Creek Greenstone;Clover Creek Greenstone;Clover Creek Greenstone;Clover Creek Greenstone;Clover Creek Greenstone;Clover Creek Greenstone;Clover Creek Greenstone
    Rock description Clover Creek Greenstone;Clover Creek Greenstone;Clover Creek Greenstone;Clover Creek Greenstone;Clover Creek Greenstone;Clover Creek Greenstone;Clover Creek Greenstone

Nearby scientific data

(1) -117.47463, 44.9168

Economic information

Geologic structures

Type of structure Regional
Structure description Ne Trending Blue Mountains Uplift
Type of structure Local
Structure description Fault Terminates Ore Body On South And With Depth: Strike N 70 Deg W, Dip Steeply S

Ore body information

  • General form LOZENGE
    Strike N 80 DEG W
    Dip 60 DEG N
    Length 45.72M
    Width 30.48M
    Depth to top 0M

Controls for ore emplacement

  • E-W Trending Shear Zone

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1900
Year of first production 1935
Production years 1935-1938

Mining district

District name Eagle Creek

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Oregon Copper Co. (Morris Cook)
  • Type Owner
    Owner M. Cook, Oregon Copper Co.

Workings at the site

  • Type of workings Underground
    Length 4572M
    Overall depth 213.36M

Reference information

Bibliographic references

  • Deposit

    GILLULLY, J., 1933, COPPER DEPOSITS NEAR KEATING, OREGON: U.S.G.S. BULLETIN 830-A, 64 P.

  • Deposit

    BROOKS, H. C., AND RAMP, L., 1968, GOLD AND SILVER IN OREGON: ORE. DEPT. GEOL. AND MIN. IND. BULL. 61, P. 93, 98-99

  • Deposit

    HULL, D., 1976, POORMAN AND BALM CREEK MINES: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES SUMMARY REPORT.

  • Production

    BROOKS AND RAMP, 1968, P. 99

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1974 Reeves, James R. U.S. Geological Survey
Updater 01-JUL-1978 Bradley, Robin (Walker, George W.) 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.