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  3. Mineral Resource Data System (MRDS)

Willow Creek Mine

Producer in Madison county in Montana, United States with commodity Talc-Soapstone
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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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10070451
MRDS ID W013393
Record type Site
Current site name Willow Creek Mine
Alternate or previous names Ruby Ridge
Related records 10256577

Geographic coordinates

Geographic coordinates: -112.01336, 45.11129 (WGS84)
Elevation 2240
Relative position APPROXIMATELY 21 KM SW FROM VIRGINIA CITY

Site location context

Political divisions (FIPS codes)

Madison(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Home Park Ranch(quadrangle 1:24,000 scale)

Dillon(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Ruby(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 Madison

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 008S 003W 30 Montana

Commodities

Commodity Importance
Talc-Soapstone Primary

Materials information

Materials Type of material
Talc Ore

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Dolomitic Marble;Calcitic Marble;Quartzo Feldspathic Gneiss
    Rock description Dolomitic Marble;Calcitic Marble;Quartzo Feldspathic Gneiss
    Stratigraphic age (youngest) Neoarchean

Nearby scientific data

(1) -112.01336, 45.11129
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Marble Cut Off By Faults To North And To East
Type of structure Local
Structure description Folds In Metamorphic Sequence

Ore body information

  • General form POD
    Strike N 50 E
    Dip 50 NW

Controls for ore emplacement

  • Lithology Of Host Rock (Dolomitic Marble)

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Deposit size Small
Significant No
Discovery year 1945
Discoverer Bill Pettus (Sp)
Year of first production 1970

Mining district

District name Greenhorn Range

Ownership information

  • Type Operator
    Owner American Talc Co.
  • Type Owner
    Owner Madison Minerals

Comments on the production information

  • LESS THAN 100,000 MT

Workings at the site

  • Type of workings Surface
    Overall length 137.16M
    Overall width 50M

Comments on the workings information

  • MINE SITUATED ON NORTH SLOPE OF RIDGE

Comments on development

  • ECON.COM: ASBESTIFORM MINERALS ABSENT MINE CLOSED DURING WINTER BECAUSE OF SNOW

Reference information

Bibliographic references

  • Deposit

    MBMG MEM 45, P. 43-6

  • Deposit

    1975 GEOLMAP MBMG OPEN FIL

  • Production

    OWNER AND PERSONAL OBSERVATION

General comments

Subject category Comment text
Deposit Discovery Year: BETWEEN 1925 AND 1965
Deposit First Production Year: 1970 FIRST SIGNIFICANT PROD.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1976 Berg, Richard B. (Krohn, D. H.) U.S. Geological Survey
Updater 01-MAR-1983 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.

Maps centered on this site