Tunnel Iron Mine

Past Producer in Unicoi county in Tennessee, United States with commodity Iron
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Geologic structures
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10025203
MRDS ID K000890
Record type Site
Current site name Tunnel Iron Mine
Related records 10299763

Geographic coordinates

Geographic coordinates: -82.47764, 36.14759 (WGS84)
Elevation 671
Relative position ON SOUTHEAST SIDE OF COVE AT HEAD OF SUGAR HOLLOW

Site location context

Political divisions (FIPS codes)

Unicoi(county)

Tennessee(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Erwin(quadrangle 1:24,000 scale)

Johnson City(quadrangle 1:100,000 scale)

Johnson City(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

Cherokee National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Tennessee Unicoi

Comments on the location information

  • SEE PLATE 1, TENN. DIV. GEOLOGY BULL. 54

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Hematite Ore

Analytical data

Result AVERAGE ORE: 30.8 - FE
Result 48.6 - SIO2
Result 1.4 - CAO (JARVIS, 1912, PP. 330, 357)

Nearby scientific data

(1) -82.47764, 36.14759

Economic information

Geologic structures

Type of structure Local
Structure description On Upper Plate Of Bald Mountain Thrust Sheet

Ore body information

  • General form TABULAR

Controls for ore emplacement

  • Purple Ferruginous Quartzite

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Year of first production 1892
Production years 1892

Mining district

District name Bumpass Cove (Embreeville) District

Comments on the production information

  • A SMALL AMOUNT OF FE ORE WAS PRODUCED, BUT THE ORE WAS NOT USABLE.

Comments on the workings information

  • THREE ADITS - DETAILS LACKING

Comments on development

  • ECON.COM: ORE UNSUITABLE AS BLAST FURNACE IRON ORE FEED

Reference information

Bibliographic references

  • Deposit

    JARVIS, R.P., 1912, THE VALLEY AND MOUNTAIN IRON ORES OF EAST TENNESSEE: TENNESSEE GEOLOGICAL SURVEY BULL. 2-C

  • Deposit

    RODGERS, JOHN, 1948, GEOLOGY AND MINERAL DEPOSITS OF BUMPASS COVE, UNICOI AND WASHINGTON COUNTIES, TENNESSEE: TENNESSEE DIV. GEOLOGY BULL. 54 82P.

  • Deposit

    1948 GEOLMAP RODGERS, JOH

  • Production

    RODGERS, JOHN, 1948, TENN. DIV. GEOL. BULL. 54

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Fagan, James M. U.S. Geological Survey

Beyond USGS

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