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Raven Cliff Mica Mine

Past Producer in Avery county in North Carolina, United States with commodity Mica
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10025160
MRDS ID K000835
Record type Site
Current site name Raven Cliff Mica Mine
Related records 10127074

Geographic coordinates

Geographic coordinates: -81.99512, 36.00037 (WGS84)

Site location context

Political divisions (FIPS codes)

Avery(county)

North Carolina(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Newland(quadrangle 1:24,000 scale)

Boone(quadrangle 1:100,000 scale)

Winston-Salem(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Nolichucky(hydrologic unit)

French Broad-Holston(hydrologic accounting unit)

Upper Tennessee(hydrologic subregion)

Tennessee(hydrologic region)

Geographic areas

Country State County
United States North Carolina Avery

Comments on the location information

  • SEE PLATE 3, PROF. PAPER 577 FOR LOCATION

Commodities

Commodity Importance
Mica Primary

Comments on the commodity information

  • MUSCOVITE-GREEN, SMALL

Materials information

Materials Type of material
Muscovite Ore

Alteration

  • (Local) Unweathered

Host and associated rocks

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

Nearby scientific data

(1) -81.99512, 36.00037
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Pegmatite Is Concordant With Wall Rock Structure

Ore body information

  • General form LENSES
    Strike NW
    Dip SW
    Thickness 1.22M

Comments on the geologic information

  • FINE TO MEDIUM GRAINED PLAGIOCLASE, QUARTZ, MUSCOVITE PEGMATITE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Production years 1942

Mining district

District name Spruce Pine District/Plumtree Area

Comments on the production information

  • LESS THAN 500 LBS OF SHEET MICA WAS PRODUCED.

Workings at the site

  • Type of workings Surface/Underground
    Overall length 45.72M

Comments on the workings information

  • 3 ADITS 20-50 FT LONG, 3 SMALL CUTS

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1973 Fagan, James M. 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