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Mother Lode

Past Producer in Crook county in Oregon, United States with commodity Mercury
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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. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10040421
MRDS ID M055194
Record type Site
Current site name Mother Lode
Alternate or previous names Canyon Creek, American Almaden, Consolidated Quicksilver
Related records 10249666

Geographic coordinates

Geographic coordinates: -120.35832, 44.33567 (WGS84)
Elevation 1890
Relative position 25 MILES E. NE OF PRINEVILLE, OREGON

Site location context

Political divisions (FIPS codes)

Crook(county)

Oregon(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lookout Mountain(quadrangle 1:24,000 scale)

Prineville(quadrangle 1:100,000 scale)

Bend(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Crooked(hydrologic unit)

Deschutes(hydrologic accounting unit)

Middle Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Ochoco 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 Crook

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 014S 020E 20,29 Oregon

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore
Pyrite Ore
Chalcedony Gangue
Opal Gangue
Quartz Gangue

Alteration

  • (Local) Extensive Clay Alteration Along Faults And Shear Zones. Silicification, Carbonatization.

Analytical data

Result MINE YIELDED 10 LB HG PER FT. OF WORKINGS.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Eocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Clarno Formation, Andesite, Basalt Flows
    Rock description Clarno Formation, Andesite, Basalt Flows
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt

Nearby scientific data

(1) -120.35832, 44.33567
ListMap

Economic information

Ore body information

  • General form LENTICULAR - OR CHIMNEY LIKE
    Strike N 20 E
    Dip STEEP
    Depth to bottom 60.96M

Controls for ore emplacement

  • None

Comments on the geologic information

  • GEOL.DESC: ANDESITE AND BASALT FLOWS OF THE EOCENE CLARNO FM. OVERLAIN BY LATER ANDESITE AND BASALT FLOWS AND TUFFS. PLUGS AND DIKES OF RHYOLITE AND ANDESITE ARE ASSOCIATED WITH THE EXTRUSIVE ROCKS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1902

Mining district

District name Ochoco District

Ownership information

  • Type Operator
    Owner Werdenhoff Mining Co.

Workings at the site

  • Type of workings Underground
    Length 1127.76M
    Overall length 4.57M
    Overall width 12.19M

Comments on the workings information

  • WORKINGS AS OF CA. 1949. LAST OPERATED 1960.

Comments on development

  • 10 TON ROTARY ON PROPERTY (CA. 1949) ; ECON.COM: 5 TO 20 LB. HG PER TON

Reference information

Bibliographic references

  • Deposit

    BAILEY, E.H., USGS, PERSONAL FILES

  • Production

    BAILEY, E.H., USGS, PERSONAL FILES

General comments

Subject category Comment text
Deposit RECORD (M060842) MERGED WITH THIS RECORD AND DELETED FROM OREGON FILE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1973 Bergquist, Joel R. U.S. Geological Survey
Updater 01-JUN-1978 Horley, D. And Walker, G. W. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site