M and M Mine

Past Producer 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. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10071042
MRDS ID W014236
MAS/MILS ID 0160590387
Record type Site
Current site name M and M Mine

Geographic coordinates

Geographic coordinates: -114.50283, 44.84848 (WGS84)
Elevation 1943
Relative position 27.5 MI NNW 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)

Geographic areas

Country State County
United States Idaho Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 018N 017E 31 NESWNE Idaho

Comments on the location information

  • On S - Facing Slope Of Fluorspar Gulch

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary

Materials information

Materials Type of material
Fluorite Ore
Barite Unknown
Quartz Unknown

Alteration

  • (Local) Silicifcation

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Challis Volcanics-Andesite, Dacite Tuff
    Rock description Challis Volcanics-Andesite, Dacite Tuff
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -114.50283, 44.84848

Economic information

Ore body information

  • Strike N 60 DEG E
    Dip 40 DEG NW
    Thickness 2.44M
    Length 42.67M
    Depth to bottom 12.19M

Controls for ore emplacement

  • Fissure - Fracture Zone

Comments on the geologic information

  • 12-77 1167 Sh Tons High Grade Mined In 1952-53 (Anderson 195 12-77 The Vein Pinched Out As The Dip Flattened At Depth. T Structure Itself Continued And May Be Mineralized At Greater Especially If The Structure Steepens. The Property Should B Explored In Conjunction With Other Properties

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Non-metallic
Deposit size Small
Significant No
Year of first production 1952

Mining district

District name Gravel Range District

Land status

Ownership category National Forest
Area name Salmon National Forest

Reference information

Bibliographic references

  • Deposit

    Anderson, A. L., 1954, Fluorspar Deposits Near Meyers Cove, Lemhi County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 98, 34 P

  • Production

    Anderson, A. L., 1954, Ida. Bureau Of Mines and Geol. Pamphlet 98, P. 26.

  • Deposit

    Cox, 1954, USGS Bull 1015-A, 21 P, Fluorspar Deposits Near Meyers Cove

  • Deposit

    Anderson 1943 Id Bur Mines and Geol Pamph 62 20 P

  • Deposit

    Shawe and Others 1976 USGS Prof Paper 933 P 35-38

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey
Reporter 08-DEC-1994 Kauffman, John D. U.S. Bureau of Mines

Beyond USGS

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