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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 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 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
Historical Geology The Cenozoic Era
Historical Geology Cenozoic Paleogeography
Historical Geology Geologic Framework Incised Meanders
Historical Geology Geologic Framework Superposed Streams
Historical Geology The Tertiary Period
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
Historical Geology The Tertiary Period North American Paleogeography
Historical Geology Cenozoic Cordilleran Margin Physiographic Regions
Historical Geology Cenozoic Cordilleran Margin Phase I : Latest Cretaceous - Middle Eocene • Laramide Orogeny • Intermontane Basin Formation
Historical Geology Cenozoic Cordilleran Margin Phase I : Latest Cretaceous - Middle Eocene Intermontane Basins Jones, et al., 1996 Bird, 1988 Egan and Urquhart, 1993
Historical Geology Cenozoic Cordilleran Margin Phase II : Late Eocene - Middle Miocene • Intermontane Basin Deposition • Resumption of Arc Volcanism
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
Cenozoic Cordilleran Margin Phase II : Late Eocene - Middle Miocene Intermontane Basin Deposition Historical Geology Beartooth Plateau Yellowstone National Park
Historical Geology Cenozoic Cordilleran Margin Phase II : Late Eocene - Middle Miocene Resumption of Arc Volcanism Clarno Formation Central Oregon John Day Formation Central Oregon
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
Cenozoic Cordilleran Margin Phase III : Early Miocene - Present Tectonic Shearing Historical Geology
Historical Geology Cenozoic Cordilleran Margin Phase III : Early Miocene - Present Columbia River Plateau Volcanism Picture Gorge Mitchell, Oregon
Cenozoic Cordilleran Margin Phase III : Early Miocene - Present Basin and Range Extension Historical Geology
Cenozoic Cordilleran Margin Phase III : Early Miocene - Present Rotation of Sierra Nevadas and Cascades Historical Geology
Cenozoic Cordilleran Margin Phase III : Early Miocene - Present Colorado Plateau Uplift Historical Geology San Juan River SE Utah Flaming Gorge NE Utah
Cenozoic Cordilleran Margin Phase III : Early Miocene - Present Tectonic Shearing Historical Geology
Cenozoic Appalachian Margin Rejuvenation Historical Geology
Cenozoic Appalachian Margin Chesapeake Bay Bolide Historical Geology Graphics: Michael Hall, Virginian-Pilot
Historical Geology Cenozoic Gulf Coast Margin • Best record of Cenozoic Strata • Passive Margin Subsidence • Salt Domes
Historical Geology Cenozoic Gulf Coast Margin Passive Margin Subsidence • Passive Margin Subsidence • Salt Domes
Historical Geology Cenozoic Events of Eurasia • Alpine-Himalaya Orogenic Belt • Disappearance of the Tethys Sea
Historical Geology Cenozoic Events of Eurasia The Himalayan Orogeny
Historical Geology Cenozoic Events of Eurasia The Alpine Orogeny • Latest Cretaceous • Eocene • Late Miocene
Historical Geology CenozoicClimate