Hudson Group

Past Producer in Madison county in Montana, United States with commodities Gold, Silver, Copper, Lead, Zinc
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. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10019751
MRDS ID DC11363
Record type Site
Current site name Hudson Group

Geographic coordinates

Geographic coordinates: -112.31115, 45.69434 (WGS84)
Elevation 1585
Relative position 1.25 MILES NW OF SILVER STAR

Site location context

Political divisions (FIPS codes)

Madison(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Silver Star(quadrangle 1:24,000 scale)

Butte South(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Jefferson(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Montana Madison

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 002S 006W 02 NW OF SE NW Montana

Commodities

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

Materials information

Materials Type of material
Asbestos Gangue
Calcite Gangue
Epidote Gangue
Garnet Gangue
Serpentine Gangue
Siderite Gangue

Alteration

  • (Local) Oxidation

Analytical data

Result AVERAGE TENOR OF ALL ORE MINED WAS 1.2 TO 1.5 OZ. AU/TON, 1.5 TO 1.8 OZ. AG/TON, AND AS MUCH AS 10% LEAD. DUMP GRAB SAMPLE HAD 5 OZ/TON AG, 2% CU, 2% PB, 1% ZN. DUMP GRAB SAMPLE HAD 5 OZ/TON AG, 2% CU, 2% PB, 1% ZN.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Butte Quartz Monzonite
    Rock description Butte Quartz Monzonite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Limestone
    Rock description Limestone

Nearby scientific data

(1) -112.31115, 45.69434

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith

Ore body information

  • General form IRREGULAR SHOOTS AND BUNCHES
    Strike N50W
    Dip 85 SE

Controls for ore emplacement

  • Limestone-Quartz Monzonite Contact

Comments on the geologic information

  • ORE DEPOSIT IS CONTIGUOUS WITH BROADWAY GROUP. ; GEOL.DESC: OXIDIZED ORE SHOOT

Economic information about the deposit and operations

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

Mining district

District name Silver Star District

Land status

Ownership category Private

Comments on the production information

  • PRODUCED $150,000.

Comments on the workings information

  • HUDSON CLAIM HAD 2 300-FT. SHAFTS.

Reference information

Bibliographic references

  • Deposit

    USGS BULL 574, P. 142-144.

  • Deposit

    MBMG MEM 19, P. 50.

  • Deposit

    CONSV. DIV. COMP. DATE, 05-23-1963

  • Deposit

    1914 RECON WINCHELL, A.N., U.S.G.S. BULL., 574

  • Deposit

    1950 GEOLMAP MBMG MEM. 19

General comments

Subject category Comment text
Deposit GROUP INCLUDES HUDSON, MORNING, SAMPLE ORR, AJAX, AND AMERICAN CLAIMS. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-JUN-1980 Loen, Jeffrey S. (Pearson, Robert C.) U.S. Geological Survey

Beyond USGS

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