| Deposit ID | 10106801 |
|---|---|
| MRDS ID | K001182 |
| Record type | Site |
| Current site name | Eureka Mine |
| Related records | 10300155 |
| Geographic coordinates: | -84.36548, 35.03233 (WGS84) |
|---|---|
| Elevation | 503 |
| Relative position | 4500 FT. NORTH 76 DEG. EAST OF THE U.S. RT. 64 - TN. RT. 68 INTERCHANGE |
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)
| Country | State | County |
|---|---|---|
| United States | Tennessee | Polk |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Iron | Primary |
| Sulfur | Primary |
| Lead | Primary |
| Zinc Critical | Secondary |
| Silver | Secondary |
| Gold | Secondary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Magnetite | Ore |
| Pyrite | Ore |
| Pyrrhotite | Ore |
| Sphalerite | Ore |
| Actinolite | Gangue |
| Calcite | Gangue |
| Diopside | Gangue |
| Hedenbergite | Gangue |
| Staurolite | Gangue |
| Tremolite | Gangue |
| Result | THE ORE CONTAINS ABOUT 25.0 % S AND 35.0 % FE. THE SULFIDE TO GANGUE RATIO IS HIGHER THAN THE OTHER DEPOSITS IN THE DISTRICT. PYRITE IS LOCALLY MORE ABUNDANT THAN PYRRHOTITE. MAGNETITE IS ALSO LOCALLY ABUNDANT IN FINE GRAINED MASSES 2 FEET ACROSS. CU AND ZN CONTENTS ARE RELATIVELY LOWER. |
|---|
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Metamorphic Rock > Amphibolite | ||
| |||
| (1) | Great Smoky Group, including Anakeesta Formation, Thunderhead Sandstone, and Elkmont Sandstone |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Northeastward - Plunging Anticlines |
| Type of structure | Local |
| Structure description | The East-West Trending Eureka Fault Horizontally Offset The Ore Body Some 350 Feet. |
| General form | LENTICULAR - TABULAR |
|---|---|
| Strike | N 30 E |
| Dip | 45 DEG. SE |
| Development status | Producer |
|---|---|
| Commodity type | Both |
| Significant | No |
| District name | Ducktown Copper District |
|---|
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | Cities Service Co. |
| Home office | Copperhill, Tn. 37317 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | K001182 |
KINKEL, A. A., AND OTHERS, 1968, COPPER AND SULFUR, IN MINERAL RESOURCES OF THE APPALACHIAN REGION: U.S. GEOLOGICAL SURVEY PROF. PAPER 580, P. 377-385.
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, 114 P.
MAGEE, MAURICE, 1968, GEOLOGY AND ORE DEPOSITS OF THE DUCKTOWN DISTRICT, TENNESSEE: IN RIDGE, J.D., ED., ORE DEPOSITS OF THE UNITED STATES, 1933-1967 (GRATON-SALES VOLUME), V. 1, AM. INST. MINING, METALL., AND PETROLEUM ENGINEERS, P. 207-241.
MAHER, S.W., 1966, THE COPPER-SULFURIC ACID INDUSTRY IN TENNESSEE: TENNESSEE DIVISION OF GEOLOGY INFORMATION CIRCULAR 14, 28 P.
1926 RECON EMMONS AND LANEY, USGS PP 139
1935 GEOLMAP ROSS, USGS PP 179
1968 COMPILE KINKEL, USGS PP 580
1968 DIREXPL MAGEE, CHAPTER IN GRATON-SALES VOLUME
1972 COMPILE TENN. DIV. GEOLOGY MINE INVENTORY
TENNESSEE DIV. GEOLOGY 1972 MINE INVENTORY
| Subject category | Comment text |
|---|---|
| Deposit | THE GOSSAN COVERED AN AREA OF UP TO 250 BY 1500 FEET. THE ORE BODY IS GENERALLY CONFORMABLE WITH THE WALL ROCKS. DIOPSIDE AND HEDENBERGITE CRYSTALS HAVE BEEN FRACTURED, BROKEN, AND RECEMENTED WITH SULFIDES. THE ISABELLA MINE WAS ALSO DEVELOPED INTO THE EUREKA ORE BODY. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1973 | Fagan, James M. | Tennessee Valley Authority | |
| Updater | 01-SEP-1978 | Geraci, Philip J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.