Jack Smart

Prospect in Broadwater county in Montana, United States with commodities Gold, 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. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10022795
MRDS ID FS00272
Record type Site
Current site name Jack Smart

Geographic coordinates

Geographic coordinates: -111.7042, 46.3774 (WGS84)
Elevation 2195
Relative position FIFTEEN MILES W, NW OF TOWNSEND, MONT.

Site location context

Political divisions (FIPS codes)

Broadwater(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Winston(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)

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 Broadwater

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 007N 001W 10,11,12 Montana

Commodities

Commodity Importance
Gold Tertiary
Silver Tertiary

Materials information

Materials Type of material
Galena Ore
Pyrite Ore

Alteration

  • (Local) Contact Metamorphism Of Limestone

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Boulder Batholith, Granite
    Rock description Boulder Batholith, Granite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic)
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -111.7042, 46.3774

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith

Controls for ore emplacement

  • Contact Zone Between Limestone And Granite Intrusion

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No

Mining district

District name Winston/Beaver Creek

Ownership information

  • Type Owner-Operator
    Owner Dance, Al

Reference information

Bibliographic references

  • Deposit

    1956 DIREXPL USFS

General comments

Subject category Comment text
Deposit THE OLDER FOLDED LIMESTONE IS OVERLAIN BY VOLCANIC TUFF, BRECCIA, PORPHORY. SEDIMENTARY AND VOLCANIC ROCK ARE BOTH INTRUDED BY GRANITE AND SHOW SIGNS OF HIGH GRADE METAMORPHISM.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1976 Steward, Candis A. U.S. Geological Survey

Beyond USGS

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