Historical Geology Lecture 14 Events of the Early Paleozoic Era Historical Geology IPaleozoic Timeline IIEarly Paleozoic Paleogeography IIIContinental Framework A)Epeiric Seas and Cratonic Sequences B)Arches C)Domes and Basins D)Mobile Belts IVThe Cambrian Period A)Paleogeography and Lithofacies B)Sauk Sequence C)Appalachian (Southern) Margin D)Cordilleran (Northern) Margin VThe Ordovician Period A)Paleogeography and Lithofacies B)Tippecanoe Sequence C)Appalachian (Southern) Margin D)Cordilleran (Northern) Margin Outline Historical Geology The End of the Proterozoic Historical Geology The Early Paleozoic Era Historical Geology Early Paleozoic Era Paleogeography Ron Blakey Historical Geology Early Paleozoic Era Continental Framework Epeiric Seas Cratonic Sequences Arches Domes Basins Mobile Belts Historical Geology Cratonic Sequences Historical Geology Transcontinental Arch Historical Geology Domes and Basins Historical Geology Domes and Basins Sediment Thicknesses Historical Geology Mobile Belts Historical Geology The Cambrian Period Ron BlakeyThe Proterozoic-Cambrian boundary GSSP: The Fortune Head section near Fortune, southeastern Newfoundland. Exposed are rocks of the Chapel Island Formation, members 1 and 2. Copyright G. Geyer, 1997 Historical Geology Cambrian Laurentia Historical Geology Cambrian Laurentia Sauk Transgression Grand Canyon Sequence Cordilleran (Northern) Margin Passive Margin Rift Sedimentation Siberian Microcontinent Appalachian (Southern) Margin Rifting in Iapetus Ocean Conversion to Active Margin Chopawamsic Orogeny Ron Blakey Historical Geology Cambrian Laurentia Paleogeography and Lithofacies Historical Geology Cambrian Laurentia The Sauk Transgression Historical Geology Sauk Transgression Sediment Thickness Historical Geology Sauk Transgression Typical Transgressive Sequence Grand Canyon Sequence (from bottom) Tapeat Sandstone Bright Angel Shale Muav Limestone unconformity Historical Geology Cambrian Laurentia Appalachian Margin Historical Geology Cambrian Laurentia Appalachian Margin Virginia Historical Geology Cambrian Laurentia Cordilleran Margin Passive Margin Siberian Microcontinent Rift Sedimentation Ron Blakey Historical Geology Cambrian Laurentia Passive Cordilleran Margin Historical Geology Cambrian Laurentia Western Margin - Siberian Microcontinent Historical Geology The Ordovician Period Ron Blakey Historical Geology Ordovician Laurentia Historical Geology Ordovician Laurentia Tippecanoe Transgression St. Peter's Sandstone Cordilleran (Northern) Margin Conversion to Active Margin Deep Water Sedimentation Appalachian (Southern) Margin Taconic Orogeny Appalachian Basin Sedimentation Queenston Clastic Wedge Ron Blakey Historical Geology Ordovician Laurentia Paleogeography and Lithofacies Historical Geology Ordovician Laurentia Tippecanoe Transgression Historical Geology Ordovician Laurentia St Peters Sandstone Historical Geology Ordovician Laurentia Appalachian Margin Taconic Orogeny Appalachian Basin Sedimentation Queenston Clastic Wedge Historical Geology Ordovician Laurentia Appalachian Margin - Taconic Orogeny Ettensohn and Brett, 2002 Historical Geology Ordovician Laurentia Appalachian Margin - Taconic Orogeny Ron Blakey Historical Geology Ordovician Laurentia Appalachian Margin Appalachian Basin Ettensohn and Brett, 2002 Historical Geology Ordovician Laurentia Appalachian Margin Queenston Clastic Wedge Historical Geology Ordovician Laurentia Cordilleran Margin Conversion to Active Margin Deep Marine Sedimentation Ron Blakey Historical Geology Ordovician Laurentia Cordilleran Margin