Shiva_and_mass_extinction Shiva_crater

the proposed shiva crater , other possible impact craters along chicxulub have led hypothesis multiple impacts caused massive extinction event @ end of cretaceous period. chatterjee confident shiva 1 of many impacts, stating k-t extinction multiple-impact scenario. other theories have argued since chicxulub impact believed researchers have occurred earlier extinction of dinosaurs, shiva s impact enough cause mass extinction itself.

however, other scientists remain unconvinced extinction event caused multiple impacts, or shiva feature in fact crater. evidence published in 2013 science article paul r. renne @ university of california @ berkeley suggests chicxulub crater in fact within time frame of when mass extinction occurred.