Copperhill Mine

Producer in Polk county in Tennessee, United States with commodities Copper, Iron, Zinc, Sulfur, Silver, Gold, Lead
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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10080285
MRDS ID W031398
Record type Site
Current site name Copperhill Mine
Alternate or previous names Eureka Mine, Isabella Mine

Geographic coordinates

Geographic coordinates: -84.36575, 35.03233 (WGS84)
Elevation 500

Site location context

Political divisions (FIPS codes)

Polk(county)

Tennessee(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Isabella(quadrangle 1:24,000 scale)

Cleveland(quadrangle 1:100,000 scale)

Chattanooga(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Ocoee(hydrologic unit)

Middle Tennessee-Hiwassee(hydrologic accounting unit)

Middle Tennessee-Hiwassee(hydrologic subregion)

Tennessee(hydrologic region)

Geographic areas

Country State County
United States Tennessee Polk

Commodities

Commodity Importance
Copper Primary
Iron Primary
Zinc Critical Primary
Sulfur Secondary
Silver Tertiary
Gold Tertiary
Lead Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Magnetite Ore
Pyrite Ore
Pyrrhotite Ore
Silver Ore
Sphalerite Ore
Actinolite Gangue
Calcite Gangue
Diopside Gangue
Hedenbergite Gangue
Quartz Gangue
Tremolite Gangue

Alteration

  • (Local) Moderate Sericitic Alteration Of The Wallrock

Analytical data

Result GRADE ASSAY REVEALS 0.7 WT-PCT CU
Result 1.2 WT-PCT ZN
Result 20 WT-PCT FES2

Mineral occurrence model information

Model code 91
USGS model code 24b
Deposit model name Massive sulfide, Besshi (Japanese deposits)
Mark3 model number 30

Host and associated rocks

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

Economic information

Ore body information

  • General form TABULAR
    Strike N 30 E
    Dip 45 E
    Depth to top 160M
  • General form TABULAR
    Dip 45 E
  • General form TABULAR
    Dip 45 E

Controls for ore emplacement

  • Faulting And Folding

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Deposit size Large
Significant No

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Cities Service Co. Copperhill Operations

Comments on the production information

  • CAPACITY FOR CRUDE IRON ORE MINED IS 7000 TPD. YEARLY ORE PRODUCTION CAPACITY IS BETWEEN 1 MILLION TO 3 MILLION TONNE/YEAR. METALS AND CONCENTRATES PRODUCED: CU 53 TPD CAPACITY, ZN 67 TPD CAPACITY

Comments on the workings information

  • UNDERGROUND MINE DEVELOPED BY VERTICAL SHAFT AND EXPANDED BY LONG-HOLE BLASTING. ORE IS CONCENTRATED BY FLOATATION PROCESS WITH A CAPACITY OF 6000 TPD. METALLURGICAL PROCESSING: ELECTRIC ARC, ROOSTING, CONVERTERS.

Reference information

Bibliographic references

  • Deposit

    BEALL, J.W., 1973, COPPER IN THE U.S. -- A POSITION SURVEY IN MINING ENGINEERING: SOC. MINING ENGINEERS, V. 25, NO. 4, P. 38.

  • Deposit

    EMMONS, W.H., AND LANEY, F. B., 1926, GEOLOGY AND ORE DEPOSITS OF THE DUCKTOWN MINING DISTRICT, TENNESSEE: U. S. GEOLOGICAL SURVEY PROF. PAPER 139, PP. 30-32 & 94-97.

  • Deposit

    HARDEMAN, W. D., 1970, ZINC AND COPPER MINES IN TENNESSEE: U. S. BUREAU OF MINES OPEN-FILE REPORT, P. 25.

  • Deposit

    KERR, J. R., RAND, L. H., AND VALLEY, J. L., 1965, THE SULFUR AND SULFURIC ACID INDUSTRY OF EASTERN UNITED STATES: U. S. BUREAU OF MINES INF. CIRC. 8255, P. 74-75.

  • Deposit

    ROSS, C. S., 1935, ORIGIN OF THE COPPER DEPOSITS OF THE DUCKTOWN TYPE IN THE SOUTHERN APPALACHIAN REGION: U. S. GEOLOGICAL SURVEY PROF. PAPER 179, PP. 94-97.

  • Deposit

    SAFFORD, J. M., 1869, GEOLOGY OF TENNESSEE: NASHVILLE, S. J. MERCER, P. 470-482.

  • Deposit

    TENNESSEE COPPER COMPANY DIVISION, 1966, THE TCC STORY: COPPERHILL, TENN., 3RD ED., PP. 6, 11 & 13.

  • Deposit

    U. S. BUREAU OF MINES. ANNUAL STATISTICS ON THE MINERAL INDUSTRY OF TENNESSEE. MINERAL INDUSTRY SURVEYS 1969-1976.

  • Production

    WORLD MINES REGISTER, 1979-1980, P. 203. MINING MAGAZINE, JANUARY 81, P. 62.

General comments

Subject category Comment text
Deposit STRIKE AND DIP REFER TO THAT OF THE MINERALIZED ZONE. AVERAGE DIMENSIONS OF MINERALIZATION IN METERS: LENGTH 221 M, WIDTH 151 M, THICKNESS 53 M.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1981 Rowe, William D. U.S. Geological Survey

Beyond USGS

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