1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Middle Ridge Mica Mine

Past Producer in Mitchell county in North Carolina, United States with commodity Mica
Map
XML
JSON
KML
B
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. Economic information about the deposit and operations
  11. Mining district
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10025195
MRDS ID K000875
Record type Site
Current site name Middle Ridge Mica Mine
Related records 10296816

Geographic coordinates

Geographic coordinates: -82.0829, 36.02176 (WGS84)

Site location context

Political divisions (FIPS codes)

Mitchell(county)

North Carolina(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Carvers Gap(quadrangle 1:24,000 scale)

Johnson City(quadrangle 1:100,000 scale)

Johnson City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Nolichucky(hydrologic unit)

French Broad-Holston(hydrologic accounting unit)

Upper Tennessee(hydrologic subregion)

Tennessee(hydrologic region)

Federal lands

Pisgah National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Croatan National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

National Forests in North Carolina(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States North Carolina Mitchell

Comments on the location information

  • SEE PLATE 3, PROF. PAPER 577 FOR LOCATION

Commodities

Commodity Importance
Mica Primary

Comments on the commodity information

  • MUSCOVITE-BROWN, MINOR A STRUCTURE, MINERAL INCLUSIONS, CRACKED, RULED

Materials information

Materials Type of material
Muscovite Ore

Alteration

  • (Local) Weathered

Host and associated rocks

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

Nearby scientific data

(1) -82.0829, 36.02176
ListMap

Economic information

Comments on the geologic information

  • KAOLINIZED FELDSPAR, QUARTZ, MUSCOVITE PEGMATITE, POORLY EXPOSED

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/Hawk-Bakersville Area

Workings at the site

  • Type of workings Underground
    Length 25.91M
    Overall depth 5.49M

Comments on the workings information

  • ADIT 85 FT (?), SHAFT 18 FT

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-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