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Smoky No. 2 Magnetite Mine

Past Producer in Avery county in North Carolina, United States with commodities Iron, Iron, Pig Iron
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Geologic information

Identification information

Deposit ID 10026376
MRDS ID K004783
Record type Site
Current site name Smoky No. 2 Magnetite Mine
Related records 10223980

Geographic coordinates

Geographic coordinates: -81.9654, 36.13481 (WGS84)
Elevation 1085
Relative position 0.95 MILE SSW OF CRANBERRY CEMETERY AND 1.8 MILES SE OF CENTER OF ELK PARK.
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Geographic areas

Country State County
United States North Carolina Avery

Comments on the location information

  • LOCATION IS APPROXIMATE

Commodities

Commodity Importance
Iron Primary
Iron, Pig Iron Tertiary

Materials information

Materials Type of material
Magnetite Ore
Calcite Gangue
Epidote Gangue
Feldspar Gangue
Garnet Gangue
Hornblende Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Cranberry Granite; Complex Of Intertonguing Rock Types Including Migmatite, Granitic Gneisses, Monzonite, Quartz Diorite, Greenstone, Mica And Hornblende Schists, Abundant Granitic Pegmatite
    Rock description Cranberry Granite; Complex Of Intertonguing Rock Types Including Migmatite, Granitic Gneisses, Monzonite, Quartz Diorite, Greenstone, Mica And Hornblende Schists, Abundant Granitic Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -81.9654, 36.13481
ListMap

Geologic structures

Type of structure Local
Structure description Granite Becomes Less Platy And Interfoliated Gneisses Become Less Abundant As Distance From Vein Increases.

Ore body information

  • General form LINEAR, PINCH AND SWELL
    Strike NW - SE
    Dip 20 SW
    Width 2.44M

Comments on the geologic information

  • ACCORDING TO BAYLEY (1923), "THE GREATER PORTION OF THE VEIN - FILLING IS A FOLIATED GNEISS COMPOSED OF ALTERNATING FELDSPATHIC AND HORNBLENDIC LAYERS. THE FELDSPATHIC LAYERS APPEAR TO HAVE INTRUDED A SERIES OF ALTERNATING LAYERS OF HORNBLENDE SCHIST, SUGARY QUARTZ, AND FINELY GRANULAR EPIDOTE....CERTAIN OF THE FELDSPATHIC STREAKS APPEAR TO EXTEND INTO THE SCHISTS AND TO TERMINATE IN QUARTZ - EPIDOTE VEINS; IN OTHER PLACES THEY SWELL INTO PEGMATITE LENSES." THE ORE IS A MIXTURE OF MAGNETITE, HORNBLENDE, EPIDOTE, AND QUARTZ TRANSECTED BY VEINLETS OF MAGNETITE AND EPIDOTE. SOME OF THE MAGNETITE VEINS ARE CUT BY VEINLETS OR SEAMS OF CALCITE AND PYRITE. VEIN BORDERS AND THE CRANBERRY GRANITE ARE SEPARATED BY CHLORITE SCHIST OR GOUGE. CONTACT SURFACES BETWEEN MAGNETITE AND HORNBLENDE ARE COMMONLY COATED WITH CHLORITE. LEAN ORE MASSES THAT ARE SCATTERED THROUGH THE VEIN CONSIST OF URALITE, EPIDOTE, AND MAGNETITE.

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Cranberry Magnetite District

Comments on the workings information

  • MAXIMUM DIPS DUE TO LOCAL ROLLS ALONG THE HANGING WALL.

Comments on development

  • ECON.COM: THE MAGNETITE IS EASILY SEPARATED FROM GANGUE AND IS EXCEPTIONALLY LOW IN PHOSPHOROUS, TITANIUM, AND SULFUR.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS K004783

Bibliographic references

  • Deposit

    STUCKEY, J. L., 1965, NORTH CAROLINA: ITS GEOLOGY AND MINERAL RESOURCES: RALEIGH, N. C., NORTH CAROLINA DEPT. CONSERV. AND DEVEL., 550 P.

  • Deposit

    BAYLEY, W. S., 1923, THE MAGNETIC IRON ORES OF EAST TENNESSEE AND WESTERN NORTH CAROLINA: TENNESSEE DIV. GEOLOGY BULL. 29, 252 P.

  • Deposit

    KLINE, M. H., AND BALLARD, T. J., 1948, CRANBERRY MAGNETITE DEPOSITS, AVERY COUNTY, NORTH CAROLINA, AND CARTER COUNTY, TENNESSEE: U.S. BUREAU OF MINES REPT. INV. RI 4274, 85 P.

  • Deposit

    1923 OTHER BAYLEY, W. S., TENN. DIV. GEOL. BULL. 29

  • Deposit

    1965 COMPILE STUCKEY, J. L., N. C. DEPT. CONS. & DEVEL.

  • Deposit

    GOLDICH, S. S., AND WEDOW, HELMUTH, JR., 1943, PRELIMINARY REPORT ON THE MAGNETIC IRON ORES OF WESTERN NORTH CAROLINA AND EASTERN TENNESSEE: U.S. GEOLOGICAL SURVEY OPEN - FILE REPORT.

  • Deposit

    1966 COMPILE BRYANT AND REED, GEOL. SURV. CIR. 521

General comments

Subject category Comment text
Deposit ACCORDING TO BAYLEY (1923), "THE VEINS IN WHICH THE ORE OCCURS COMPRISE MORE OR LESS BANDED MIXTURES OF PEGMATITE, EPIDOTIC GNEISSES, HORNBLENDE SCHISTS AND LENTICULAR MASSES OF A MIXTURE OF HORNBLENDE AND MAGNETITE, IN PLACES CUT BY SMALL VEINS OF MAGNETITE."

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1975 Hale, Robin C. U.S. Geological Survey