Purple Spar No. 4 Lode

Occurrence in Lemhi county in Idaho, United States with commodity Fluorine-Fluorite
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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10071203
MRDS ID W014463
MAS/MILS ID 0160590670
Record type Site
Current site name Purple Spar No. 4 Lode

Geographic coordinates

Geographic coordinates: -114.53343, 44.84548 (WGS84)
Elevation 1676
Relative position 28 MI NW OF CHALLIS

Site location context

Political divisions (FIPS codes)

Lemhi(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Meyers Cove(quadrangle 1:24,000 scale)

Challis(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Middle Fork Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Salmon-Challis National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Frank Church-River of No Return Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Idaho Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 018N 016E 36 W2 Idaho

Comments on the location information

  • 3000 Ft SW Jct Camas & Duck Cr.

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic)
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Casto Volcanics-Tuffs, Flows;Granophyre
    Rock description Casto Volcanics-Tuffs, Flows;Granophyre
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic)
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -114.53343, 44.84548

Economic information

Ore body information

  • Strike N 40 DEG E
    Dip 90 DEG
    Width 1.52M

Controls for ore emplacement

  • Breccia Zone

Comments on the geologic information

  • Original ore control entry:
    Breccia Zone

Economic information about the deposit and operations

Operation type Surface
Development status Occurrence
Commodity type Non-metallic
Deposit size Small
Significant No

Mining district

District name Gravel Range District

Land status

Ownership category National Forest
Area name Challis National Forest

Reference information

Bibliographic references

  • Deposit

    Cox, D. C., 1954, Fluorspar Deposits Near Meyers Cove, Lemhi County,Idaho: USGS Bulletin 1015-A, 21 P

  • Deposit

    IBMG Mines and Prospects Of Challis Quad, 1982, V.E. Mitchell Et Al

General comments

Subject category Comment text
Deposit 2 Veins, Western Vein Of Low Grade, 5 Ft. Wide, Follows Breccia Zone In Casto Volcanics. Eastern Vein Of Good Grade, 3 Ft. Wide, Strike N 40 Deg E, Dip Vertical, In Tertiary Granophyre.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey
Reporter 27-JUN-1984 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

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