| Deposit ID | 10076002 |
|---|---|
| MRDS ID | W022863 |
| Record type | Site |
| Current site name | Isabella Mine |
| Related records | 10211904 |
| Geographic coordinates: | -84.36325, 35.03372 (WGS84) |
|---|---|
| Elevation | 5072 |
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 ORE TO GANGUE RATIO IS HIGHER THAN THE OTHER DEPOSITS IN THE DISTRICT. PYRITE IS LOCALLY MORE ABUNDANT THAN PYRRHOTITE. MAGNETITE IS ALSO LOCALLY MORE 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) | -84.36325, 35.03372 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | The East-West Trending Eureka Fault Horizontally Offset The Ore Body Some 350 Feet. |
| General form | ELONGATED IRREGULAR LENS |
|---|---|
| Strike | N 30 E |
| Dip | 45 DEG. SE |
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Significant | No |
| District name | Ducktown Copper District |
|---|
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | Cities Service Co. |
| Home office | Copperhill, Tenn., 37317 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W022863 |
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
1) MINING AND MINERAL PLANT INVENTORY MANUSCRIPT, 1972, JOINT TDG, TVA, USBM COMPILATION.{2) MAHER, S.W., 1966, THE COPPER-SULFURIC ACID INDUSTRY IN TENNESSEE: TENNESSEE DIV. GEOLOGY INF. CIRC. 14, 28 P.
1968 DIREXPL MAGEE, CHAPTER IN GRATON-SALES VOLUME
| 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. THIS MINE WORKED A PORTION OF THE EUREKA ORE BODY. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JAN-1975 | U.S. Bureau Of Mines | U.S. Bureau of Mines | |
| 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.