W10_103_9c_PaleozoicGeology

W10_103_9c_PaleozoicGeology - Paleozoic Geology Floods,...

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Paleozoic Geology Floods, Glaciers, and The Birth of Pangea Paleozoic Era Age (Myrs) Epoch 0.01 Holocene 1.8 Pleistocene 5.3 Pliocene 23.8 Miocene 33.6 Oligocene 54.8 Eocene 65 Paleocene 144 206 248 290 323 354 417 443 490 543 2500 3800 P r e c a m b r i a n P h a n e r o z o i c Eon Proterozoic Archean Hadean Period Quaternary Tertiary Neogene Paleocene Mississippian C e n o z o i c M e s o z o i c P a l e o z o i c Cretaceous Jurassic Age of the Earth 4600 Myrs (4.6 Byrs) Source: Geological Society of America (1999) Geologic Time Scale Devonian Silurian Ordivician Cambrian Triassic Permian Pennsylvanian 543-248 Myr Early Middle Late
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Key Events of the Paleozoic 1. Six major continents formed by the breakup of Rodinia converge to form Pangea 2. Sea Level rose to cover large sections of the continents four times 3. Two major Ice Ages chilled the planet 4. Life diversified and moved to the land, but was also “set back” by three major extinctions The Growth of Pangea
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Important Continents & Terrains, & Oceans of the Paleozoic Laurentia - North America Baltica - Europe Laurasia - formed by combination of Laurentia and Baltica Siberia - Siberia Gondwana - Africa, S. America, India, Ausralia, Antarctica Pangea - late Paleozoic supercontinent Taconic Arc - Volcanic Arc in the Iapetus Ocean Avalonia - Microcontinent including England Panthalasia Ocean - pre-Pacific Ocean Iapetus Ocean - pre-Atlantic Ocean Precambrian - Rodinia Montana New York
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Cambrian Siberia Baltica Laurentia Gondwana Ordovician
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Silurian Devonian
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This note was uploaded on 01/11/2012 for the course GEO 103 taught by Professor Robviens during the Winter '10 term at Bellevue College.

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W10_103_9c_PaleozoicGeology - Paleozoic Geology Floods,...

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