Lincoln Rock Mine

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

Geologic information

Identification information

Deposit ID 10026324
MRDS ID K003585
Record type Site
Current site name Lincoln Rock Mine
Related records 10126864

Geographic coordinates

Geographic coordinates: -82.04012, 36.05759 (WGS84)
(click for info)

Geographic areas

Country State County
United States North Carolina Avery

Comments on the location information

  • SEE PLATE 3, USGS PROF. PAPER 577 FOR LOCATION

Commodities

Commodity Importance
Mica Primary

Comments on the commodity information

  • MUSCOVITE - REDDISH, BROWN, CLEAR BIOTITE INTERGROWTHS

Materials information

Materials Type of material
Apatite Gangue
Garnet Gangue

Host and associated rocks

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

Nearby scientific data

(1) -82.04012, 36.05759

Geologic structures

Type of structure Local
Structure description Pegmatite Is Concordant With The Foliation Of The Enclosing Country Rock

Ore body information

  • General form LENSES
    Strike NE
    Dip SE
    Thickness 3.66M
    Plunge S
    Length 33.53M

Comments on the geologic information

  • PLAGIOCLASE, QUARTZ, MUSCOVITE, BIOTITE PEGMATITE, MEDIUM TO COARSE GRAINED

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Year of first production 1925
Year of last production 1942

Mining district

District name Spruce Pine District/Plumtree Area

Comments on the workings information

  • 7 CUTS, STOPES, ADITS, INCLINES, IN AREA 100 FT BY 450 FT

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS K003585

Bibliographic references

  • Deposit

    LESURE, F.G., 1968, MICA DEPOSITS OF THE BLUE RIDGE IN NORTH CAROLINA: U.S. GEOLOGICAL SURVEY PROF. PAPER 577, 124 P

  • Deposit

    1968 COMPILE LESURE, F.G. ; REPOR

  • Production

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

General comments

Subject category Comment text
Deposit DATA ABSTRACTED FROM USGS PROF. PAPER 577.
Deposit First Production Year: 1925 - 1942

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1975 Fagan, James M. U.S. Geological Survey