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Historical Geology

Historical Geology. Lecture 19 Geologic Events of the Cenozoic Era. Historical Geology. Outline. I Cenozoic Timeline II Cenozoic Paleogeography III Geologic Framework A) Incised Meanders B) Superposed Streams IV Cenozoic North America A) Cenozoic Cordilleran Events

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Historical Geology

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  1. Historical Geology Lecture 19 Geologic Events of the Cenozoic Era

  2. Historical Geology Outline I Cenozoic Timeline II Cenozoic Paleogeography III Geologic Framework A) Incised Meanders B) Superposed Streams IV Cenozoic North America A) Cenozoic Cordilleran Events 1) Phase 1 (70 mya - 40 mya): Laramide Orogeny 2) Phase 2 (40 mya - 20 mya): Resumption of Arc Volcanism 3) Phase 3 (20 mya - present): Complex Tectonism B) Cenozoic Appalachian Events C) Cenozoic Gulf Margin Events V Cenozoic Events of Eurasia A) Alpine-Himalaya Belt B) Disappearance of Tethys VI Cenozoic Climate

  3. Historical Geology The Cenozoic Era

  4. Historical Geology Cenozoic Paleogeography

  5. Historical Geology Geologic Framework Incised Meanders

  6. Historical Geology Geologic Framework Superposed Streams

  7. Historical Geology The Tertiary Period

  8. The Tertiary Period North America Historical Geology • Appalachian Margin • Rejuvenation • Chesapeake Bay Bolide • Gulf Coast Margin • Subsidence • Evaporite Intrusions • Cordilleran Margin • Phase I: Laramide Orogeny • Phase II: Return to Arc Volcanism • Phase III: Complex Tectonics

  9. Historical Geology The Tertiary Period North American Paleogeography

  10. Historical Geology Cenozoic Cordilleran Margin Physiographic Regions

  11. Historical Geology Cenozoic Cordilleran Margin Phase I : Latest Cretaceous - Middle Eocene • Laramide Orogeny • Intermontane Basin Formation

  12. Historical Geology Cenozoic Cordilleran Margin Phase I : Latest Cretaceous - Middle Eocene Intermontane Basins Jones, et al., 1996 Bird, 1988 Egan and Urquhart, 1993

  13. Historical Geology Cenozoic Cordilleran Margin Phase II : Late Eocene - Middle Miocene • Intermontane Basin Deposition • Resumption of Arc Volcanism

  14. Historical Geology Cenozoic Cordilleran Margin Phase II : Late Eocene - Middle Miocene Intermontane Basin Deposition - Oil Shales and Other Lake Deposits Green River Formation Hell's Hole Canyon, Utah Lake Marls Bryce Canyon Natl Park, Utah

  15. Cenozoic Cordilleran Margin Phase II : Late Eocene - Middle Miocene Intermontane Basin Deposition Historical Geology Beartooth Plateau Yellowstone National Park

  16. Historical Geology Cenozoic Cordilleran Margin Phase II : Late Eocene - Middle Miocene Resumption of Arc Volcanism Clarno Formation Central Oregon John Day Formation Central Oregon

  17. Historical Geology Cenozoic Cordilleran Margin Phase III : Early Miocene - Present • Columbia River Plateau Volcanism • Basin and Range Extension • Rotation of Sierra Nevada Mountains • Colorado Plateau • Tectonic Shearing

  18. Cenozoic Cordilleran Margin Phase III : Early Miocene - Present Tectonic Shearing Historical Geology

  19. Historical Geology Cenozoic Cordilleran Margin Phase III : Early Miocene - Present Columbia River Plateau Volcanism Picture Gorge Mitchell, Oregon

  20. Cenozoic Cordilleran Margin Phase III : Early Miocene - Present Basin and Range Extension Historical Geology

  21. Cenozoic Cordilleran Margin Phase III : Early Miocene - Present Rotation of Sierra Nevadas and Cascades Historical Geology

  22. Cenozoic Cordilleran Margin Phase III : Early Miocene - Present Colorado Plateau Uplift Historical Geology San Juan River SE Utah Flaming Gorge NE Utah

  23. Cenozoic Cordilleran Margin Phase III : Early Miocene - Present Tectonic Shearing Historical Geology

  24. Cenozoic Appalachian Margin Rejuvenation Historical Geology

  25. Cenozoic Appalachian Margin Chesapeake Bay Bolide Historical Geology Graphics: Michael Hall, Virginian-Pilot

  26. Historical Geology Cenozoic Gulf Coast Margin • Best record of Cenozoic Strata • Passive Margin Subsidence • Salt Domes

  27. Historical Geology Cenozoic Gulf Coast Margin Passive Margin Subsidence • Passive Margin Subsidence • Salt Domes

  28. Historical Geology Cenozoic Events of Eurasia • Alpine-Himalaya Orogenic Belt • Disappearance of the Tethys Sea

  29. Historical Geology Cenozoic Events of Eurasia The Himalayan Orogeny

  30. Historical Geology Cenozoic Events of Eurasia The Alpine Orogeny • Latest Cretaceous • Eocene • Late Miocene

  31. Historical Geology CenozoicClimate

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