TY - BOOK T1 - The Cretaceous/Tertiary boundary interval, Raton Basin, Colorado and New Mexico, and its content of shock-metamorphosed minerals :evidence relevant to the K/T boundary impact-extinction theory / DA - c1990. CY - Boulder, Colo. : AU - Izett, Glen Arthur, VL - 249 CN - QE689 CN - QE689 PB - Geological Society of America, PP - Boulder, Colo. : PY - c1990. N1 - Based on the author's thesis (Ph.D.--University of Alaska). ID - 136279 KW - Cretaceous-Paleogene boundary KW - Geology KW - Mineralogy SN - 0813722497 TI - The Cretaceous/Tertiary boundary interval, Raton Basin, Colorado and New Mexico, and its content of shock-metamorphosed minerals :evidence relevant to the K/T boundary impact-extinction theory / ER -