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Otisco Mine

Past Producer in Silver Bow county in Montana, United States with commodities Silver, Lead, Zinc, Copper, Gold
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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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Economic information about the deposit and operations
  12. Mining district
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10019640
MRDS ID DC11027
Record type Site
Current site name Otisco Mine

Geographic coordinates

Geographic coordinates: -112.52589, 46.00907 (WGS84)
Location accuracy 250(meters)
Relative position ABOUT 1.8 KM SW OF MEADERVILLE.

Site location context

Political divisions (FIPS codes)

Silver Bow(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Butte North(quadrangle 1:24,000 scale)

Butte North(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Clark Fork(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Montana Silver Bow

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 003N 007W 18 Montana

Comments on the location information

  • SW OF BELMONT MINE.

Commodities

Commodity Importance
Silver Primary
Lead Primary
Zinc Critical Primary
Copper Secondary
Gold Secondary

Materials information

Materials Type of material
Chalcocite Ore
Galena Ore
Gold Ore
Sphalerite Ore
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Butte Quartz Monzonite (Boulder Batholith)
    Rock description Butte Quartz Monzonite (Boulder Batholith)
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite

Nearby scientific data

(1) -112.52589, 46.00907
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith

Economic information about the deposit and operations

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

Mining district

District name Butte District

Comments on the production information

  • PRODUCED IN 1934

Workings at the site

  • Type of workings Unknown
    Length 795.22M
    Overall depth 121.92M

Comments on the workings information

  • HAS 400FT VERTICAL SHAFT, 1468 FT DRIFTS, 485 FT CROSSCUT, AND 256 FT RAISES IN 1927.

Reference information

Bibliographic references

  • Deposit

    USBM, 1943, REPT TO SEC. OF INT.: OTISCO MINE

  • Deposit

    USGS PP 74, P. 193, PL. XX1

  • Deposit

    USGS-USBM MINERAL YEARBOOK 1927, 1934

  • Production

    USGS-USBM MINERAL YEARBOOK

General comments

Subject category Comment text
Deposit THE VEIN IS BETWEEN THE WALLS OF THE RARUS FAULT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-74 Unknown U.S. Geological Survey
Updater 01-DEC-81 Wise, Kristine K. (Elliott, James E.) U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site