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112-pp31 - UNIVERSITY OF SOUTH ALABAMA Last time we covered...

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1 GY 112: Earth History UNIVERSITY OF SOUTH ALABAMA Mesozoic Geology 1: Tectonics Last time we covered…. Mesozoic Overview A) The end of the Paleozoic (extinctions) B) Mesozoic time frame and evolutionary developments C) Paleogeography and key tectonic events Vertebrate Evolution Extinctions have always been a part of the rock record Mass Extinctions But then we ran out of time…. Mass Extinctions Today’s Agenda Mesozoic Tectonics (web notes 31) A) Mesozoic Overview B) Tectonics: The Triassic C) The Jurassic D) The Cretaceous
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2 Mesozoic Overview Mesozoic Overview (245 to 550 MA) Paleozoic (65 to 245 MA) Mesozoic (0 to 65 MA) Cenozoic Years Era Phanerozoic Mesozoic Overview Early Middle Age of the Reptiles Late Triassic (245-203 MA) Early Middle Age of the Cycads Late Jurassic (203-135 MA) Early Middle Age of the Angiosperms Late Cretaceous (65-135 MA) Mesozoic The entire Mesozoic is also called the Age of the Reptiles Mesozoic Overview Early Middle Age of the Reptiles Late Triassic (245-203 MA) Early Middle Age of the Cycads Late Jurassic (203-135 MA) Early Middle Age of the Angiosperms Late Cretaceous (65-135 MA) Mesozoic Mesozoic Overview Many major evolutionary changes occurred during the Mesozoic Many major evolutionary changes occurred during the Mesozoic •Rise of the dinosaurs Mesozoic Overview
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3 Many major evolutionary changes occurred during
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112-pp31 - UNIVERSITY OF SOUTH ALABAMA Last time we covered...

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