Pyrite from selected localities.
USA | |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; DAVIDSON, E. S., 1967 , GEOLOGY OF THE CIRCLE CLIFFS AREA, GARFIELD AND KANE COUNTIES, UTAH: US GEOL. SURVEY BULL. 1229 . |