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Powdermill Roughs Mine

Past Producer in Avery county in North Carolina, United States with commodity Mica
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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. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10026323
MRDS ID K003584
Record type Site
Current site name Powdermill Roughs Mine

Geographic coordinates

Geographic coordinates: -82.04234, 36.05759 (WGS84)

Site location context

Political divisions (FIPS codes)

Avery(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 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, MINERAL INCLUSIONS, REEVED, CRACKED, STAINED, BENT

Materials information

Materials Type of material
Allanite Gangue
Biotite Gangue
Tourmaline 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) -82.04234, 36.05759
ListMap

Economic information

Geologic structures

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

Ore body information

  • General form PINCH AND SWELL
    Strike NE
    Dip SE
    Thickness 1.22M
    Length 45.72M

Comments on the geologic information

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

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No

Mining district

District name Spruce Pine District/Plumtree Area

Comments on the production information

  • A SMALL AMOUNT OF SHEET MICA WAS PRODUCED IN 1942.

Comments on the workings information

  • 3 CUTS, INCLINE

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit DATA ABSTRACTED FROM USGS PROF. PAPER 577.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1975 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