"In 1991, Hildebrand, Boynton, Penfield, Camargo, and colleagues formally proposed that the 180-km-diameter crater...

Originally shared by Kristian Köhntopp

"In 1991, Hildebrand, Boynton, Penfield, Camargo, and colleagues formally proposed that the 180-km-diameter crater (almost exactly the size predicted by the Alvarez team) one-half mile below the village of Chicxulub [Cheech-zhoo-loob] on the Yucatan Peninsula was the long-sought K-T impact crater."
http://m.nautil.us/issue/32/space/the-day-the-mesozoic-died?utm_source=RSS_Feed&utm_medium=RSS&utm_campaign=RSS_Syndication