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Evolution of the Earth 13.7 Billion Years in the Making

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Presentation on theme: "Evolution of the Earth 13.7 Billion Years in the Making"— Presentation transcript:

1 Evolution of the Earth 13.7 Billion Years in the Making
PART 11: Jurassic Dr. Gregg Wilkerson Earth Science Bakersfield City College

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3 Jurassic: 200 to 145 M.Y. ago: Breakup of Pangea

4 Laurasia and Gondwanaland: 200 million years ago
LET THE BREAKUP BEGIN! 185 M.Y. AGO

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6 Jurassic Western Interior Seaway Advance and Retreat

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9 Nevadan Orogeny: 155 to 145 M.Y. Ago
Second of the Cordilleran Orogenies Middle Jurassic to Early Cretaceous Early Andian Type Subduction of Farallon oceanic Plate Later Cordilleran Type Subduction Western, Central and Eastern Belts Sierra Nevada and Klamath Mountains

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24 Jurassic Life Archaeoptyrix (earliest dinosaur?)
Reptiles return to the Sea Allosaurus and other early dinosaurs Icthyosaurs in ocean

25 Jurassic Plesiosaur (Loch Ness Monster)

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28 Jurassic Mosasaur

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