Mccornack Prospect

Occurrence in Latah county in Idaho, United States with commodity Mica
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. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10093637
MRDS ID W015899
Record type Site
Current site name Mccornack Prospect
Related records 10241694

Geographic coordinates

Geographic coordinates: -116.60133, 46.87156 (WGS84)
Elevation 1036
Relative position 4.75 MI NE OF STANFORD

Site location context

Political divisions (FIPS codes)

Latah(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Deary(quadrangle 1:24,000 scale)

Potlatch(quadrangle 1:100,000 scale)

Pullman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Clearwater(hydrologic unit)

Clearwater(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Idaho Latah

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 041N 002W 28 Idaho

Commodities

Commodity Importance
Mica Tertiary

Materials information

Materials Type of material
Biotite Gangue
Quartz Gangue
Tourmaline Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Pegmatite
    Rock description Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Schist > Mica Schist
    Rock unit name Mica Schist
    Rock description Mica Schist
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

(1) -116.60133, 46.87156

Economic information

Ore body information

  • General form LENTICULAR, SHEETS, STRINGERS
    Strike N 45 DEG E
    Dip 76 DEG NW

Economic information about the deposit and operations

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

Mining district

District name Avon Mica District

Land status

Ownership category National Forest
Area name Clearwater National Forest

Ownership information

  • Type Owner
    Owner Mc Cormack, Mary F.

Workings at the site

  • Type of workings Surface/Underground
    Length 50.29M
    Overall length 304.8M

Comments on development

  • ECON.COM: POOR QUALITY MUSCOVITE

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1974 Miller, Pat J. U.S. Geological Survey

Beyond USGS

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