Surprise Mine

Past Producer in Madison county in Montana, United States with commodity Gold
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. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10101570
MRDS ID D004994
Record type Site
Current site name Surprise Mine

Geographic coordinates

Geographic coordinates: -112.09393, 45.79434 (WGS84)
Elevation 1487
Relative position 2 MILES SOUTHEAST OF RENOVA.

Site location context

Political divisions (FIPS codes)

Madison(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Whitehall(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 001N 004W 34 Montana

Comments on the location information

  • SW 1/4, NW 1/4, SECTION 34.

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Hematite Gangue
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation, Contact Metamorphism

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Lahood Formation, Sandstone And Sandy Shale
    Rock description Lahood Formation, Sandstone And Sandy Shale
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -112.09393, 45.79434

Economic information

Geologic structures

Type of structure Regional
Structure description Belt Sandstone Trends N-S, 25 W.
Type of structure Local
Structure description Fissure Zone

Ore body information

  • Strike N 45 E
    Dip 85 S

Comments on the geologic information

  • N-S DIKE IS 200-600 FT. WIDE.

Economic information about the deposit and operations

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

Mining district

District name Whitehall (Renova) District

Land status

Ownership category Federal

Reference information

Bibliographic references

  • Deposit

    USGS BULL 574, P. 100.

  • Deposit

    BERG, A.B., GEOLOGY OF THE NORTHWEST CORNER OF THE TOBACCO ROOT MOUNTAINS, MADISON CO., MT., UNIV. OF MINN., M.S. THESIS, 1959.

  • Deposit

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

Reporter information

Type Date Name Affiliation Comment
Reporter 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.