Permian-Triassic extinction - candidate impact crater found by Simon at 09:55 12/06/06 (Blogs::Simon) Researchers from Ohio State Uni appear to have found an impact crater in Antarctica which is double the size of Chicxulub (the probable KT extinction event crater) and may date to the earlier Permian-Triassic die-back event. http://researchnews.osu.edu/archive/erthboom.htm -- simon << Large meteorite impact in Norw... Antikythera Device research up... >>