Judge Mine

Past Producer in Meagher county in Montana, United States with commodities Lead, 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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10078290
MRDS ID W026554
Record type Site
Current site name Judge Mine
Related records 10149112

Geographic coordinates

Geographic coordinates: -110.65805, 46.49602 (WGS84)
Elevation 2134
Relative position 12 MILES SOUTHEAST FROM WHITE SULPHUR SPRINGS

Site location context

Political divisions (FIPS codes)

Meagher(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Castle Town(quadrangle 1:24,000 scale)

Ringling(quadrangle 1:100,000 scale)

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

Hydrologic units (watersheds)

Upper Musselshell(hydrologic unit)

Musselshell(hydrologic accounting unit)

Missouri-Musselshell(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Helena-Lewis and Clark 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 Meagher

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 009N 008E 36 Montana

Comments on the location information

  • ALTITUDE AND UTM LOCATION FROM 1 BY 2 DEG SHEET - CASTLE TOWN QUAD NOT YET AVAILABLE

Commodities

Commodity Importance
Lead Primary
Silver Primary

Comments on the commodity information

  • ORE MINERALS DESCRIBED AS BEING SIMILAR TO THAT OF CUMBERLAND MINE

Materials information

Materials Type of material
Galena Ore
Smithsonite Ore
Jasper Gangue
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Rock unit name Dacite Porphyry Dikes
    Rock description Dacite Porphyry Dikes
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Devonian
    Stratigraphic age (youngest) Late Devonian
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Jefferson Limestone
    Rock description Jefferson Limestone

Nearby scientific data

(1) -110.65805, 46.49602

Economic information

Geologic structures

Type of structure Regional
Structure description Castle Mountains Consist Of Igneous Core
Type of structure Local
Structure description Mine Is On West Flank Of South Plunging Anticline

Ore body information

  • General form ILL DEFINED
    Strike N 57 DEG E
    Dip 72 DEG NW
    Length 6.1M
    Width 1.22M

Controls for ore emplacement

  • Fractures In Country Rocks

Comments on the geologic information

  • DACITE PORPHYRY DIKES COULD POSSIBLY BE RELATED TO THE LARGER SCALE INTRUSIVES IN THE AREA WHICH ARE OF TERTIARY AGE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1891

Mining district

District name Castle Mountains

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Brophy, J. F.
    Home office Red Lodge, Mt

Workings at the site

  • Type of workings Underground
    Length 152.4M
    Overall depth 70.1M

Comments on the workings information

  • WORKINGS INACCESSIBLE IN 1950

Reference information

Bibliographic references

  • Deposit

    ROBY, R. N., 1950 , MINES AND MINERAL DEPOSITS (EXCEPT FUELS) MEAGHER COUNTY, MONTANA: U. S. BUREAU OF MINES INFORMATION CIRCULAR 7540 , P. 25.

  • Deposit

    WINTERS, A. S., 1968 , GEOL. AND ORE DEPOSITS OF THE CASTLE MOUNTAIN MINING DISTRICT, MEAGHER COUNTY, MONTANA; MONT. BUREAU OF MINES AND GEOL BULLETIN 64 P. 46 - 47

  • Deposit

    WEED, PIRSSON, 1896 , GEOLOGY OF THE CASTLE MOUNTAIN MINING DISTRICT, MONTANA, U.S. GEOLOGICAL SURVEY BULLETIN 139 P. 154 - 155

  • Deposit

    HOGAN, J., AND OLIVER, J., 1892 , 4TH REPORT OF INSPECTOR OF MINES OF STATE OF MONTANA P. 42

General comments

Subject category Comment text
Deposit DIMENSIONS (LENGTH AND WIDTH) GIVEN ARE FOR THE SINGLE ORE SHOOT DESCRIBED IN LITERATURE. WIDTH DESCRIBED AS 8 INCHES TO 4 FEET FOR THE PAY ORE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1977 Mc Kenzie, Craig L.; R. B. Berg U.S. Geological Survey

Beyond USGS

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

External references