EAS 109 2007 FINAL EXAM:MONDAY, 10 DECEMBER, 3:00 P.M., BARTON HALL, CENTRAL AREA26 November 2007ADDITIONAL STUDY QUESTIONS FOR THE FINAL(INCLUDING EXAMPLES FROM THE RARELY REQUESTED MAKEUP FROM HELL)1.What kinds of evidence are available on the life of the past, dinosaurs in particular?2.How old is the Earth? … the oldest known fossils? … the bedrock exposed on theCornell campus (Late Devonian in age)? … the earliest known vertebrates? … theearliest known forests? …the earliest known terrestrial vertebrates? … the earliestknown dinosaurs? … the earliest known birds? … the earliest known mammals? … theearliest known humans? … the last known dinosaurs?3.How and on what basis is the K/T boundary defined? How is this boundary identified theworld over? How is it dated? (For that matter, how are rocks age-dated?) What is “K/Tboundary clay’? What evidence ties this clay layer to Chicxulub impact crater inMexico? What is the evidence that this impact precipitated the K/T mass extinction?
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Cretaceous–Tertiary extinction event, Late Devonian, Barton Hall, K/T mass extinction