Locust Ridge Mine

Past Producer in Yancey 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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10102310
MRDS ID K001960
Record type Site
Current site name Locust Ridge Mine
Alternate or previous names Sid Critts Mine
Related records 10297676

Geographic coordinates

Geographic coordinates: -82.21041, 35.82121 (WGS84)

Site location context

Political divisions (FIPS codes)

Yancey(county)

North Carolina(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Celo(quadrangle 1:24,000 scale)

Asheville(quadrangle 1:100,000 scale)

Knoxville(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 Yancey

Comments on the location information

  • LOCATION FROM PLATE 3, USGS PROF. PAPER 577. SCALE 1:62,500

Commodities

Commodity Importance
Mica Primary

Comments on the commodity information

  • MUSCOVITE-GREEN, "A" STRUCTURE, BLOCKY, BENT, STAINED, CONCENTRATED ALONG HANGING WALL. BROWN CRACKED, SMALL, CONCENTRATED ALONG FOOTWALL.

Materials information

Materials Type of material
Muscovite Ore
Garnet Gangue

Host and associated rocks

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

Nearby scientific data

(1) Alligator Back Formation; Gneiss

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 TABULAR
    Strike NW
    Dip SW
    Thickness 1.83M

Comments on the geologic information

  • PERTHITE, PLAGIOCLASE, QUARTZ, MUSCOVITE PEGMATITE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Year of first production 1890
Production years 1890, 1935, 1938, 1945

Mining district

District name Spruce Pine District/South Toe River Area

Comments on the production information

  • PRODUCTION LESS THAN 500 LB (IN 1945) OF SHEET MICA.

Comments on the workings information

  • CUT 40 FEET LONG, 15 FEET DEEP, WITH INCLINE 35 FEET LONG.

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-1974 Fagan, James M. U.S. Geological Survey

Beyond USGS

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