1. Historical Geology Lecture 14 Events of the Early Paleozoic Era

2. 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

3. Historical Geology The End of the Proterozoic

4. Historical Geology The Early Paleozoic Era

5. Historical Geology Early Paleozoic Era Paleogeography Ron Blakey http://jan.ucc.nau.edu/~rcb7

6. Historical Geology Early Paleozoic Era Continental Framework Epeiric Seas Cratonic Sequences Arches Domes Basins Mobile Belts

7. Historical Geology Cratonic Sequences

8. Historical Geology Transcontinental Arch

9. Historical Geology Domes and Basins

10. Historical Geology Domes and Basins Sediment Thicknesses

11. Historical Geology Mobile Belts

12. Historical Geology The Cambrian Period Ron Blakey http://jan.ucc.nau.edu/~rcb7 The 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

13. Historical Geology Cambrian Laurentia

14. 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 http://jan.ucc.nau.edu/~rcb7

15. Historical Geology Cambrian Laurentia Paleogeography and Lithofacies

16. Historical Geology Cambrian Laurentia The Sauk Transgression

17. Historical Geology Sauk Transgression Sediment Thickness

18. Historical Geology Sauk Transgression Typical Transgressive Sequence Grand Canyon Sequence (from bottom) Tapeat Sandstone Bright Angel Shale Muav Limestone unconformity

19. Historical Geology Cambrian Laurentia Appalachian Margin

20. Historical Geology Cambrian Laurentia Appalachian Margin – Virginia

21. Historical Geology Cambrian Laurentia Cordilleran Margin Passive Margin Siberian Microcontinent Rift Sedimentation Ron Blakey http://jan.ucc.nau.edu/~rcb7

22. Historical Geology Cambrian Laurentia Passive Cordilleran Margin

23. Historical Geology Cambrian Laurentia Western Margin - Siberian Microcontinent

24. Historical Geology The Ordovician Period Ron Blakey http://jan.ucc.nau.edu/~rcb7

25. Historical Geology Ordovician Laurentia

26. 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 http://jan.ucc.nau.edu/~rcb7

27. Historical Geology Ordovician Laurentia Paleogeography and Lithofacies

28. Historical Geology Ordovician Laurentia Tippecanoe Transgression

29. Historical Geology Ordovician Laurentia St Peters Sandstone

30. Historical Geology Ordovician Laurentia Appalachian Margin Taconic Orogeny Appalachian Basin Sedimentation Queenston Clastic Wedge

31. Historical Geology Ordovician Laurentia Appalachian Margin - Taconic Orogeny Ettensohn and Brett, 2002

32. Historical Geology Ordovician Laurentia Appalachian Margin - Taconic Orogeny Ron Blakey http://jan.ucc.nau.edu/~rcb7

33. Historical Geology Ordovician Laurentia Appalachian Margin – Appalachian Basin Ettensohn and Brett, 2002

34. Historical Geology Ordovician Laurentia Appalachian Margin – Queenston Clastic Wedge

35. Historical Geology Ordovician Laurentia Cordilleran Margin Conversion to Active Margin Deep Marine Sedimentation Ron Blakey http://jan.ucc.nau.edu/~rcb7

36. Historical Geology Ordovician Laurentia Cordilleran Margin