1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Dehart Feldspar Mine

Past Producer in Swain county in North Carolina, United States with commodities Feldspar, Kaolin
Map
XML
JSON
KML
B
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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10026068
MRDS ID K002527
Record type Site
Current site name Dehart Feldspar Mine
Related records 10224310

Geographic coordinates

Geographic coordinates: -83.47517, 35.40177 (WGS84)
Relative position 0.3 MILE NORTHEAST OF DEHART CEMETERY

Site location context

Political divisions (FIPS codes)

Swain(county)

North Carolina(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bryson City(quadrangle 1:24,000 scale)

Fontana Lake(quadrangle 1:100,000 scale)

Knoxville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Little Tennessee(hydrologic unit)

Upper Tennessee(hydrologic accounting unit)

Upper Tennessee(hydrologic subregion)

Tennessee(hydrologic region)

Federal lands

Nantahala 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 Swain

Commodities

Commodity Importance
Feldspar Primary
Kaolin Tertiary

Materials information

Materials Type of material
Feldspar Ore
Kaolin Ore
Biotite Gangue
Garnet Gangue
Muscovite Gangue

Alteration

  • (Local) Plagioclase Is Partly Altered To Kaolin

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro
    Stratigraphic age (youngest) Early Devonian
    Stratigraphic age (youngest) Early Devonian
  • Host or associated Associated
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Border Gneiss, Microcline Porphyroblasts In Medium-To Coarse-Grained Matrix Of Biotite, Quartz, And Feldspar;Mpal;Prec Mpal 1050-320 M.Y.;Prec Mpal 1050-320 M.Y
    Rock description Border Gneiss, Microcline Porphyroblasts In Medium-To Coarse-Grained Matrix Of Biotite, Quartz, And Feldspar;Mpal;Prec Mpal 1050-320 M.Y.;Prec Mpal 1050-320 M.Y
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -83.47517, 35.40177
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Principal Zone Of Pegmatites Trends Northeast; Most Pegmatites Strike Northeast, But Some Strike Northwest.

Ore body information

  • General form IRREGULAR LENS
    Thickness 12.19M

Controls for ore emplacement

  • Fracture, Dilation Zone (Cameron, 1951)

Comments on the geologic information

  • THE MAIN PEGMATITE CONSISTS OF BORDER AND WALL ZONES OF PLAGIOCLASE-QUARTZ PEGMATITE WITH MINOR PERTHITE, AN OUTER INTERMEDIATE ZONE OF PLAGIOCLASE-QUARTZ-PERTHITE PEGMATITE, AN INNER INTERMEDIATE ZONE OF PERTHITE-PLAGIOCLASE-QUARTZ PEGMAITTE, AND A CORE OF QUARTZ-PERTHITE PEGMATITE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Discovery year 1939
Year of first production 1939

Mining district

District name Bryson City Feldspar District

Ownership information

  • Type Owner-Operator
    Owner W. J. Alexander

Comments on the workings information

  • WORKINGS INCLUDE 44- AND 60-FOOT CUTS; A 20-FOOT DEEP SHAFT WITH 100-FOOT DRIFT; A 32-FOOT INCLINE, AND 50- AND 80-FOOT LONG ADITS.

Reference information

Bibliographic references

  • Deposit

    CAMERON, E.N., 1951, FELDSPAR DEPOSITS OF THE BRYSON CITY DISTRICT, NORTH CAROLINA: NORTH CAROLINA DIV. MINERAL RESOURCES BULL. 62, 100 P

  • Deposit

    1951 OTHER CAMERON, E.N., N.C. BULL. 6

  • Production

    CAMERON, E.N., 1951, N.C. DIV. MIN. RES. BULL. 62

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1974 Hale, Robin C. 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