Unnamed Fluorite-Specularite-Gneiss Quarry

Producer in Burke county in North Carolina, United States with commodities Stone, Dimension, Fluorine-Fluorite, Iron
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. Land status
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10089708
MRDS ID W028503
Record type Site
Current site name Unnamed Fluorite-Specularite-Gneiss Quarry

Geographic coordinates

Geographic coordinates: -81.79372, 35.87148 (WGS84)
Elevation 347
Relative position 1.3 KM NNW OF SMYRNA

Site location context

Political divisions (FIPS codes)

Burke(county)

North Carolina(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Oak Hill(quadrangle 1:24,000 scale)

Hickory(quadrangle 1:100,000 scale)

Charlotte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Catawba(hydrologic unit)

Santee(hydrologic accounting unit)

Edisto-Santee(hydrologic subregion)

South Atlantic-Gulf(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 Burke

Comments on the location information

  • ON STEEP HILL SLOPE ADJACENT TO EAST SIDE OF STEELS CREEK VALLEY

Commodities

Commodity Importance
Stone, Dimension Primary
Fluorine-Fluorite Critical Tertiary
Iron Tertiary

Comments on the commodity information

  • GNEISS LAYERED AND USED LOCALLY FOR HOUSING MATERIAL; PURPLE FLUORITE AND SPECULARITE ARE OCCURRENCES IN QUARRY

Materials information

Materials Type of material
Fluorite Ore
Gneiss Ore
Specularite Ore

Host and associated rocks

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

Nearby scientific data

(1) -81.79372, 35.87148

Economic information

Geologic structures

Type of structure Regional
Structure description Ne Thrust System
Type of structure Local
Structure description Quarry Sited Along A Thrust Fault

Ore body information

  • General form BEDDED

Controls for ore emplacement

  • Steep Hill Slope

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1950
Year of first production 1950

Mining district

District name Smyrna Area

Land status

Ownership category Private

Comments on the production information

  • ONLY A VERY SMALL AMOUNT OF BUILDING STONE HAS BEEN QUARRIED.

Comments on the reserve resource information

  • AN ENORMOUS VOLUME OF SIMILAR BEDROCK REMAINS

Workings at the site

  • Type of workings Surface
    Area 0.015HA
    Overall length 27.43M
    Overall width 5M

Comments on the workings information

  • HILLSIDE EXPOSURE OF LAYERED GNEISS BLASTED TO MEET LOCAL NEEDS OF CONSTRUCTION STONE; WORKING FACE 5 TO 10 M HIGH

Comments on development

  • PURPLE FLUORITE OCCURS AS 0.5 CM THICK BAND OF UNKNOWN DIMENSIONS, EXPOSED ABOUT 6 M ALONG QUARRY FACE, IN BLEACHED ONE M THICK QUARTZITE LAYER; IN PLACE PURPLE FLUORITE ASSOCIATED WITH SPECULAR HEMATITE IN SMALL SILICEOUS LENSES

Reference information

General comments

Subject category Comment text
Deposit GEOLOGIC UNIT EXTENDS OVER LARGE AREA AT SURFACE; OCCASIONALLY ACTIVE AS NEEDED
Deposit NORTH OF THRUST FAULT BEDROCK IS UPPER PRECAMBRIAN FELSIC VOLCANIC ROCKS OF GRANDFATHER MOUNTAIN FORMATION. FLUORITE AS SMALL IRREGULAR GRAINS OCCURS IN THE PRECAMBRIAN BROWN MOUNTAIN GRANITE WHICH OCCURS ONE KILOMETER TO THE NORTHEAST. ; INFO.SRC : 3 FIELD OBSERV

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1979 D'Agostino, John P. U.S. Geological Survey

Beyond USGS

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