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Unformatted text preview: The perils of fossilization o Hunters and scavengers feed on flesh o Animals chew bones o Weathering and rot How to become a fossil Get buried o Protected from deterioration o Preserved by mineralization o Buried = getting covered by sediments Water-borne sediments Run-off from hills Sedimentation in lakes Water carries sediments Gently floods bury deposits Forceful floods destroy deposits Air-borne sediments Volcanic ash Petrifies into Tuff o sediments erode o deposits accumulate downstream caves o caves act as deposit traps o caves were used for habitation in prehistory o slow trickling water creates good environment for fossil formation...
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- Winter '09