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Lincoln Rock Mine

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