Mica. Creek Deposit

Occurrence in Gallatin county in Montana, United States with commodity Vermiculite
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. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10019133
MRDS ID DC08744
Record type Site
Current site name Mica. Creek Deposit
Alternate or previous names Mica Mine

Geographic coordinates

Geographic coordinates: -111.15694, 45.4463 (WGS84)
Elevation 1951
Relative position 17 MILES SSW OF BOZEMAN.

Site location context

Political divisions (FIPS codes)

Gallatin(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Garnet Mountain(quadrangle 1:24,000 scale)

Ennis(quadrangle 1:100,000 scale)

Bozeman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Gallatin(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Custer Gallatin 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 Gallatin

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 004S 005E 31 S2 OF SE OF NW Montana

Comments on the location information

  • LOCATED ON WEST SLOPE JUST ABOVE MICA CREEK.

Commodities

Commodity Importance
Vermiculite Primary

Materials information

Materials Type of material
Vermiculite Ore
Biotite Gangue

Alteration

  • (Local) Vermiculite Relatively Unaltered

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -111.15694, 45.4463

Economic information

Geologic structures

Type of structure Regional
Structure description Lies On Nw-Trending Squaw Creek Fault

Ore body information

  • Strike N
    Dip VERT.
    Thickness 6.1M
    Length 182.88M

Comments on the geologic information

  • GEOL.DESC: 10-20 FT PEG, 600 FT. LONG

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Significant No

Mining district

District name Gallatin Range

Ownership information

  • Type Owner
    Owner O. E. Sheppard
    Home office Bozeman, Mt.

Comments on the workings information

  • 6 PROSPECT PITS

Reference information

Bibliographic references

  • Deposit

    HEINRICH, E.W., 1949, PEGMATITE MINERAL DEPOSITS IN MONTANA, MONT. BUREAU OF MINES AND GEOL., MEM. 28., P. 47.

  • Deposit

    MCMANNIS, W., AND CHADWICK, R., 1964, GEOL. OF THE GARNET MTN. QUAD., GALLATIN CO., MONT., MONT. BUR. OF MINES AND GEOL., BULL 43.

  • Deposit

    CONSV. DIV. COMP. DATE, 07-12-1963

  • Deposit

    1949 COMPILE M.B.M.G., MEM 28

  • Deposit

    1964 GEOLMAP MBMG., BULL 43

General comments

Subject category Comment text
Deposit BIOTITE EXPANDS ONLY TO TWICE ITS VOLUMN SO OF LITTLE VALUE. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-MAR-1980 Doyle, Brien (Wells, John) U.S. Geological Survey

Beyond USGS

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

External references