Middle Ridge Mica Mine

Past Producer in Mitchell county in North Carolina, United States with commodity Mica

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)
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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

Comments on the geologic information

KAOLINIZED FELDSPAR, QUARTZ, MUSCOVITE PEGMATITE, POORLY EXPOSED

Economic information

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

Links to other databases

Agency	Database name	Acronym	Record ID	Notes
USGS	Mineral Resources Data System	MRDS	K000875

Bibliographic references

Deposit

LESURE, F.G., 1968, MICA DEPOSITS OF THE BLUE RIDGE IN NORTH CAROLINA: U.S. GEOLOGICAL SURVEY PROF. PAPER 577, P. 48-4
Deposit

1968 COMPILE LESURE, F. G
Production

LESURE, F. G., 1968, USGS PROF PAPER 577

Reporter information

Type	Date	Name	Affiliation	Comment
Reporter	01-APR-1973	Fagan, James M.	U.S. Geological Survey