McKinney Mine

Past Producer in Mitchell county in North Carolina, United States with commodities Feldspar, Mica, Niobium (Columbium), Tantalum
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. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10026003
MRDS ID K002004
Record type Site
Current site name McKinney Mine
Related records 10297291

Geographic coordinates

Geographic coordinates: -82.13874, 35.84731 (WGS84)

Site location context

Political divisions (FIPS codes)

Mitchell(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 Mitchell

Comments on the location information

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

Commodities

Commodity Importance
Feldspar Primary
Mica Primary
Niobium (Columbium) Critical Secondary
Tantalum Critical Secondary

Comments on the commodity information

  • MUSCOVITE-GREEN, "A" STRUCTURE, STAINED, GARNET INCLUSIONS

Materials information

Materials Type of material
Feldspar Ore
Muscovite Ore
Allanite Gangue
Apatite Gangue
Beryl Gangue
Chalcopyrite Gangue
Columbite Gangue
Covellite Gangue
Epidote Gangue
Garnet Gangue
Pyrite Gangue
Sphalerite Gangue
Thulite Gangue

Alteration

  • (Local) Unweathered

Host and associated rocks

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

Nearby scientific data

(1) -82.13874, 35.84731

Economic information

Geologic structures

Type of structure Local
Structure description Pegmatite Is Partly Concordant With The Foliation Of The Enclosing Country Rock

Ore body information

  • Strike N
    Dip STEEP

Comments on the geologic information

  • PLAGIOCLASE, QUARTZ, MUSCOVITE WALL ZONE, MEDIUM GRAINED; PLAGIOCLASE, QUARTZ, PERTHITE INTERMEDIATE ZONE, COARSE GRAINED; PERTHITE, QUARTZ CORE, COARSE GRAINED, NUMEROUS QUARTZ VEINS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Year of first production 1924
Production years 1924 INT. TO 1962

Mining district

District name Spruce Pine District/Crabtree Creek Area

Comments on the production information

  • PRODUCTION 500 TO 10000 LB.

Workings at the site

  • Type of workings Surface/Underground
    Length 200M
    Overall depth 53M

Comments on the workings information

  • 4 LARGE CUTS 300 TO 650 FEET LONG, 175 FEET DEEP WITH OPEN STOPES

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.