Heagen

Past Producer in Jefferson county in Montana, United States with commodities Gold, Iron, 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. Mineral rights holdings
  18. Land status
  19. Ownership information
  20. Reserves and resources
  21. Links to other databases
  22. Bibliographic references
  23. Reporter information

Geologic information

Identification information

Deposit ID 10270168
MAS/MILS ID 0300430495
Record type Site
Current site name Heagen
Alternate or previous names Montana, Elkhorn (Heagen), Birdseye, Gold Hill, Park

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -111.94977, 46.2807 (WGS84)
Elevation 2012
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Elkhorn(quadrangle 1:24,000 scale)

Townsend(quadrangle 1:100,000 scale)

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

Hydrologic units (watersheds)

Boulder(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Beaverhead-Deerlodge 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 Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 006 N 003 W 11 SESWSW Montana

Commodities

Commodity Importance
Gold Primary
Iron Tertiary
Silver Tertiary

Materials information

Materials Type of material
Chalcopyrite Unknown
Gold Unknown
Magnetite Unknown
Pyrrhotite Unknown
Quartz Unknown

Alteration

  • (Local) Oxidation

Mineral occurrence model information

Model code 64
USGS model code 18f
Deposit model name Skarn Au
Mark3 model number 82

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock type qualifier Limestone
    Rock unit name Turnley Formation, Metamorphosed Shale;;Limestones, Shale;Madison Formation, Limestone; Quadrant Formation, Quartzite

Nearby scientific data

Main Entrance (1) -111.94977, 46.2807

Economic information

Geologic structures

Type of structure Regional
Structure name Boulder Batholith
Type of structure Local
Structure name Extensive Folding Axis N-S With Prevailing Eastward Dip.

Ore body information

  • Strike N55E
    Dip 60N
    Thickness 33M
    Width 1M
    Area 0.5HA
    Depth to top 3M
    Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 IRREGULAR
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin CONT METASOMATIC
    Primary Ore Control CONTACT ZONE
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 PYRITIZATION
    Type of Wallrock Alter. #2 SILICIFICATION
    Strike And Dip N55E:60N
    Minimum Depth to Top 1.5
    Avg. Thick. Unconsol. Mat. 3
    Min. Thick. Unconsol. Mat. 1.5
    Total Surface Area (HA) .5
    Date of Last Modification 820825

Controls for ore emplacement

  • Along Bedding Plane On Underside Of Fold Under A Metamorphosed Shale

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Significant Yes
Discovery year 1906
Year of first production 1906

Mining district

District name Elkhorn Mining District

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Wb And Grace Crenshaw
    Interest 100
    Home office Boulder, Mt
    Year 1977

Reserves and resources

  • Type In-situ
    Estimate year 1992
    Total resources 2702502mt ore

Reference information

Bibliographic references

  • Deposit

    JEFFERSON COUNTY COURTHOUSE RECORDS

  • Deposit

    MBMG BULLETIN-16

  • Deposit

    BEING ACTIVELY DEVELOPED BY W. CRENSHAW WHO SANK 35'SHAFT,

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-84 Montana Bureau Of Mines And Geology Wmj U.S. Bureau of Mines

Beyond USGS

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

External references