Ontario Mine

Past Producer in Deer Lodge county in Montana, United States with commodities Silver, Lead, Copper, Barium-Barite, Arsenic
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. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10019613
MRDS ID DC10954
Record type Site
Current site name Ontario Mine

Geographic coordinates

Geographic coordinates: -113.25869, 46.20017 (WGS84)
Elevation 2012
Location accuracy 250(meters)
Relative position 0.3 MILE NW OF GEORGETOWN.

Site location context

Political divisions (FIPS codes)

Deer Lodge(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Georgetown Lake(quadrangle 1:24,000 scale)

Philipsburg(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Flint-Rock(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Beaverhead-Deerlodge 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 Montana Deer Lodge

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 005N 013W 08 NW OF SE Montana

Comments on the location information

  • INFO FROM LAND.ST :(1971)

Commodities

Commodity Importance
Silver Primary
Lead Secondary
Copper Secondary
Barium-Barite Critical Tertiary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Galena Ore
Tetrahedrite Ore
Barite Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Jefferson Formation
    Rock description Jefferson Formation
    Stratigraphic age (youngest) Late Devonian
    Stratigraphic age (youngest) Late Devonian

Nearby scientific data

(1) -113.25869, 46.20017

Economic information

Geologic structures

Type of structure Regional
Structure description Philipsburg Batholith
Type of structure Local
Structure description Cable Stock

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Year of last production 1906
Production years PRE-1906

Mining district

District name Georgetown (Southern Cross, Cable) District

Land status

Ownership category National Forest

Comments on the production information

  • SEVERAL $1000.

Comments on the workings information

  • INACCESIBLE IN 1906

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit ORE SIMILAR TO SILVER REEF AND OKOREKA MINE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-NOV-1980 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.