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Eli Rock Mica Mine

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

Identification information

Deposit ID 10025180
MRDS ID K000855
Record type Site
Current site name Eli Rock Mica Mine
Related records 10224139

Geographic coordinates

Geographic coordinates: -82.01623, 36.00481 (WGS84)
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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-GREENISH BROWN, HARD, SMALL, MODERATELY CRACKED, BENT, STAINED

Materials information

Materials Type of material
Muscovite Ore
Sericite Gangue

Alteration

  • (Local) Unweathered

Host and associated rocks

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

Nearby scientific data

(1) -82.01623, 36.00481
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Geologic structures

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

Ore body information

  • General form TABULAR
    Strike NE
    Dip SE
    Thickness 3.05M

Comments on the geologic information

  • PLAGIOCLASE, QUARTZ, PERTHITE, MUSCOVITE PEGMATITE, MEDIUM GRAINED

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Production years 1905, 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 25.91M

Comments on the workings information

  • INCLINE 85 FT LONG, CUT

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS K000855

Bibliographic references

  • Deposit

    LESURE, F.G., 1968, MICA DEPOSITS OF THE BLUE RIDGE IN NORTH CAROLINA: U.S. GEOLOGICAL SURVEY PROF. PAPER 577, P. 36-3

  • Deposit

    1968 COMPILE LESURE, F.G

  • Production

    LESURE, F.G., 1968, U.S.G.S. PROF. PAPER 577.

Reporter information

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