| Lat / long: | 34.45012, -92.8835 |
| Primary: | Niobium (Columbium), Molybdenum |
| Ore: | Brookite, Molybdenite |
| Gangue: | Perovskite, Pyrite |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Producer |
| Host type: | Sandstone |
| MRDS | D000354 |
| DEP | 10107625 |
| Reference | {Deposit:: FRYKLUND, V., ET AL, 1954, NIORIUM AND TITANIUM AT MAGNET COVE AND POTASH SULPHUR SPRINGS, ARKANSAS: USGS BULL. 1015-B}{Deposit:: HOLBROOK, D.F., 1948, MOLYBDENUM IN MAGNET COVE, ARKANSAS: ARKANSAS DIVISION OF GEOL. BULL 12} |
| Reporter | King, Robert U., Mosier, Dan |