Ingram-Benfield Mine

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

Geologic information

Identification information

Deposit ID 10025179
MRDS ID K000854
Record type Site
Current site name Ingram-Benfield Mine
Related records 10200224

Geographic coordinates

Geographic coordinates: -81.9979, 35.99231 (WGS84)

Site location context

Political divisions (FIPS codes)

Avery(county)

North Carolina(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Linville Falls(quadrangle 1:24,000 scale)

Hickory(quadrangle 1:100,000 scale)

Charlotte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Nolichucky(hydrologic unit)

French Broad-Holston(hydrologic accounting unit)

Upper Tennessee(hydrologic subregion)

Tennessee(hydrologic region)

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-GREEN, CLEAR, HARD, MINOR "A" STRUCTURE, MODERATE CRACKS, BENDING, RULING

Materials information

Materials Type of material
Muscovite Ore

Alteration

  • (Local) Partly Weathered

Host and associated rocks

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

Nearby scientific data

(1) -81.9979, 35.99231

Economic information

Geologic structures

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

Ore body information

  • General form TABULAR
    Strike N
    Dip E
    Thickness 2.44M
    Length 45.72M

Comments on the geologic information

  • PLAGIOCLASE, PERTHITE, QUARTZ, MUSCOVITE WALL ZONE, MEDIUM TO COARSE GRAINED; QUARTZ CORE, DISCONTINUOUS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Production years 1890, 1942, 1954

Mining district

District name Spruce Pine District/Plumtree Area

Comments on the production information

  • LESS THAN 500 LBS OF SHEET MICA WAS PRODUCED. 500-10000 LBS OF SCRAP WAS PRODUCED.

Comments on the workings information

  • CUTS 200 FT, 2 ADITS, 150 FT AND 100 FT, SEVERAL CAVED ADITS AND PITS

Reference information

Bibliographic references

Reporter information

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

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.