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The Natural History/Geology of Indiana

The Natural History/Geology of Indiana. Geological Forces. Plate Tectonics. Erosion. Fossils. Mesozoic Era 250-65 mya. What do you think when you here “Mesozoic Era?”. Mesozoic = The Dinosaurs. Three Periods: Triassic 250-200 mya Jurassic 200-140 mya Cretaceous 140-65 mya.

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The Natural History/Geology of Indiana

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  1. The Natural History/Geology of Indiana

  2. Geological Forces Plate Tectonics Erosion

  3. Fossils

  4. Mesozoic Era 250-65 mya What do you think when you here “Mesozoic Era?”

  5. Mesozoic = The Dinosaurs • Three Periods: • Triassic 250-200 mya • Jurassic 200-140 mya • Cretaceous 140-65 mya

  6. Mesozoic in IN Triassic Jurassic Coelophysis Stegosaurus

  7. Mesozoic Cretaceous in IN Tyrannosaurus rex Parasaurolophus

  8. Cenozoic Era 65 mya - today What is the Cenozoic Era?

  9. The Age of the Mega Mammals and the Last Ice Age The Tertiary and Quaternary Periods. Tertiary (65-2 mya) ; Paleocene, Eocene, Oligocene, Miocene, and Pliocene Epochs Quaternary (2 mya-today); Pleistocene, and Holocene Epochs Tertiary Quaternary

  10. Tertiary in IN Paleocene 65-58 mya Eocene 58-37 mya Eobasileus

  11. Tertiary in IN Oligocene 37-24 mya Miocene 24-5 mya

  12. Tertiary in IN • Pliocene 5-2 mya Gomphotherium

  13. Quaternary in IN Pleistocene 2 mya – 100,000 yr ago Holocene 100,000 yr ago - today • Extinction of Mega Mamals around 10,000 BC. The Younger Dryas • American Mastodon survives past the Clovis people (10,000-11,000 BC) • 700,000 yr ago – first glacier , extends to central IN • Melt water streams & lakes, Katabatic winds, torrential summer rains, “glacier effect snow in the winter • Animals of the Pleistocene; Wooly Mammoth

  14. The Last Ice Age Begins in the Pleistocene and ended in 10,ooo BC

  15. Post Ice Age Black Swamp, vast broad leaf forest. WestrrnOhio to Eastern Indiana. Native Americans, the Mound Builders and Little Turtle. The French Traders, Vincnnes American Settlers Clear the Forests

  16. Each Period Leaves a Layer of Sediment • Triassic • Jurassic • Cretaceous • Paleocene • Eocene • Oligocene • Miocene • Pliocene • Pleistocene • Holocene

  17. References Mesozoic Maps www.paleoportal.org Pictures and maps for epochs, www.google.com/images Flemming A. The Ice Age in IndianaIndiana . Geological Survey. www.igs.indiana.edu Woodman N, Beavan N. Quaternary Research. Post-Clovis Survival of the American Mastodon in the Southern Great Lakes Region of North America. November 2009. 72(3). 359-363. www.ebscohost.com Salisbury N. The Indian’s Old World: Native Americans and the Coming of Europeans. The William and Mary Quarterly. July 1996. Third Series, 53(3):435-458 Buikstra JE, Konigsberg LW, Bullington J. Fertillity and the Development of Agriculture in the Prehistoric Midwest. American Antiquity. July 1996. 51(3)528-546

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