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  3. Mineral Resource Data System (MRDS)

Violet Group

Occurrence in Ravalli county in Montana, United States with commodities Molybdenum, Tungsten, Gold, Silver
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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. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10010272
MRDS ID D003864
Record type Site
Current site name Violet Group

Geographic coordinates

Geographic coordinates: -114.34139, 45.46111 (WGS84)
Elevation 2438
Relative position 49 MILES SOUTH OF DARBY

Site location context

Political divisions (FIPS codes)

Ravalli(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Shoup(quadrangle 1:24,000 scale)

Bighorn Crags(quadrangle 1:100,000 scale)

Elk City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Bitterroot(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Bitterroot 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 Ravalli

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 004S 022W 22,28,29 Montana

Comments on the location information

  • LOCATED AT HEADWATERS OF WEST FORK BITTERROOT RIVER, ON MONTANA-IDAHO BOUNDARY.
  • Political location in record is Ravalli county, MT. However, lat/long coords plot 80m in Lemhi county, ID. Original coordinates for line#1 were: lat/long NAD27 45-27-40N 114-20-29W (45.46111 -114.34139); UTM N<blank> E<blank> Z<blank>; PLSS line# 1: Meridian- Montana Principal, TWNSHP 004S, RNG 022W, Sect 22,28,29, Sect_fract <blank>. Lat/long recalculated using WGS84 datum, moving point 240m N which agrees with workings seen in Google Earth imagery, PLSS coordinates, and county name.

Commodities

Commodity Importance
Molybdenum Primary
Tungsten Critical Secondary
Gold Secondary
Silver Secondary

Materials information

Materials Type of material
Pyrite Gangue

Host and associated rocks

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

Nearby scientific data

(1) -114.34139, 45.46111
ListMap

Economic information

Controls for ore emplacement

  • Fault Zone

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Blue Nose District

Ownership information

  • Type Owner
    Owner Dean Motley
    Home office Hamilton, Mt.

Comments on the workings information

  • TRENCHES AND DRILLING

Reference information

Bibliographic references

  • Deposit

    LAWSON, D. C., 1978 , DIRECTORY OF MINING ENTERPRISES FOR 1977 , MONT. BUR. OF MINES AND GEOLOGY, BULL 107 , P. 19 .

  • Deposit

    BERG, R. B., 1977 , RECONNAISSANCE GEOLOGY OF SOUTHERN MOST RAVALLI CO., MONT., MONT. BUR. OF MINES AND GEOL., MEM 44 , P. 35 .

  • Deposit

    1977 RECON MBMG, MEM 44

  • Deposit

    1978 COMPILE MBMG, BULL 107

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1980 Doyle, Brien (Wells, John) U.S. Geological Survey
Editor 24-JUL-2008 Schruben, Paul U.S. Geological Survey Fixed lat/long - county disagreement.

Beyond USGS

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

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