Keating Group

Past Producer in Broadwater county in Montana, United States with commodities Gold, Copper, Silver
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. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Ownership information
  18. Production statistics
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10071333
MRDS ID W014665
Record type Site
Current site name Keating Group

Geographic coordinates

Geographic coordinates: -111.66169, 46.18796 (WGS84)
Elevation 1426
Relative position ABOUT 25 KM SW OF TOWNSEND AND 3 KM SOUTHWEST OF RADERSBURG

Site location context

Political divisions (FIPS codes)

Broadwater(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Radersburg(quadrangle 1:24,000 scale)

Townsend(quadrangle 1:100,000 scale)

White Sulphur Springs(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Missouri(hydrologic unit)

Upper Missouri(hydrologic accounting unit)

Missouri-Marias(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Montana Broadwater

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 005N;005N 001E;001W 18;13 Montana

Comments on the location information

  • UTM LOCATION ROUGHLY IN CENTER OF KEATING SURFACE WORKINGS

Commodities

Commodity Importance
Gold Primary
Copper Primary
Silver Secondary

Materials information

Materials Type of material
Pyrite Ore
Chalcopyrite Ore

Alteration

  • (Local) Intensely Altered Wall Rock

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Elkhorn Volcanics, Andesite
    Rock description Elkhorn Volcanics, Andesite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -111.66169, 46.18796

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith, Lombard Overthrust. Radersburg Anticline To West Of District

Ore body information

  • General form TABULAR
    Strike N 20 W
    Dip 63 SW
    Length 1000M
    Width 2M

Controls for ore emplacement

  • Deposit Is In North-Trending Zone Of Stocks

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant Yes
Discovery year 1866

Mining district

District name Radersburg District

Ownership information

  • Type Operator
    Owner Peter Antonioli, 1001 W. Gold, Butte, Montana

Production statistics

  • Year 1948
    Period 1901-1948
    Material ore
    Ore mined 374000mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor AG Silver Silver 1354774.32g
    Major CU Copper Copper 964953.35mt
    Major AU Gold Gold 4899980.18g

Comments on the production information

  • UNDETERMINED PRODUCTION PRIOR TO 1901

Comments on the reserve resource information

  • REED (1951) REPORTS THAT ABOUT 60% OF THE DEVELOPED VEIN STRUCTURE HAS NOT BEEN STOPED. SEGMENTS NOT EXTRACTED ARE REPORTED TO BE LOW IN GOLD CONTENT.

Workings at the site

  • Type of workings Underground
    Length 6000M
    Overall depth 330M

Comments on the workings information

  • KEATING VEIN DEVELOPED BY TWO SHAFTS AND 10 LEVELS OVER A VERTICAL INTERVAL OF 330 M. VEIN IS UNUSUALLY PERSISTENT AND BETWEEN 0.5 AND 1.5 M IN WIDTH.

Reference information

Bibliographic references

  • Deposit

    REED, G. C., 1951, MINES AND MINERAL DEPOSITS (EXCEPT FUELS), BROADWATER COUNTY, MONTANA: U.S. BUREAU OF MINES INF. CIRC. 759

  • Production

    USBM IC 7592

General comments

Subject category Comment text
Deposit VEIN PARALLELS OHIO - KEATING VEIN ABOUT 700 M WEST.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1976 Krohn, Douglas H. U.S. Geological Survey

Beyond USGS

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