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Harrison T. Crisp Feldspar Prospect

Occurrence in Swain county in North Carolina, United States with commodity Feldspar
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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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10026064
MRDS ID K002522
Record type Site
Current site name Harrison T. Crisp Feldspar Prospect
Related records 10298135

Geographic coordinates

Geographic coordinates: -83.4835, 35.41816 (WGS84)
Relative position 2,100 FEET N 80 W OF MOUNT CARMEL CHURCH, ON THE SOUTH SLOPE OF THE FIRST VALLEY NORTH OF GIBBY BRANCH

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)

Tuckasegee(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 Tertiary

Materials information

Materials Type of material
Feldspar Ore
Biotite Gangue
Garnet Gangue

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
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
  • 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 > Metasedimentary Rock > Quartzite
    Rock unit name Ocoee Series, Quartz-Mica Schist & Feldspathic-M1ca Quartzite
    Rock description Ocoee Series, Quartz-Mica Schist & Feldspathic-M1ca Quartzite

Nearby scientific data

(1) -83.4835, 35.41816
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

  • Strike N 11-35 E
    Dip 80 W

Controls for ore emplacement

  • Fracture, Dilation Zone (Cameron, 1951)

Comments on the geologic information

  • ZONAL STRUCTURE IN THE PEGMATITE IS INDISTINCT. A THIN BORDER ZONE OF FINE-GRAINED PEGMATITIC MATERIAL IS SUCCEEDED INWARD BY A VAGUELY DEFINED WALL ZONE OF MEDIUM- TO COARSE-GRAINED PLAGIOCLASE-QUARTZ-PERTHITE PEGMATITE WITH MINOR BIOTITE AND GARNET. GRAPHIC INTERGROWTHS OF BOTH SODA AND POTASH FELDSPARS WITH QUARTZ ARE ABUNDANT. NO OTHER ZONES ARE DESCRIBED.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Significant No

Mining district

District name Bryson City Feldspar District

Ownership information

  • Type Owner-Operator
    Owner Harrison T. Crisp

Comments on the workings information

  • THE MAIN WORKING IS AN ADIT 65 FEET LONG, WITH APPENDED DRIFTS. THE THICKNESS OF THE PEGMATITE IS BETWEEN 30 AND 35 FEET WHERE EXPOSED; THE FOOTWALL CONTACT IS UNEXPOSED.

Comments on development

  • A SERIES OF OLD PITS UP THE VALLEY WAS DUG YEARS AGO, BUT THE MAIN DEVELOPMENT WAS DONE IN 1946. ; ECON.COM: MATERIAL EXPOSED IN THE MAIN ADIT IS NOT OF COMMERCIAL GRADE.

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

General comments

Subject category Comment text
Deposit THE PEGMATITE IS IN CONTACT WITH METASEDIMENTARY ROCKS IN THE MAIN WORKING, AND IS IN GRANITE GNEISS IN ONE OF THE SOUTHERNMOST PITS.

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.

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