1. Earth: Geologic Principles and History FIRST EDITIONCHERNICOFF/FOX/TANNER

2. Chapter 21 The Geology of the Paleozoic Era

3. Copyright © by Houghton Mifflin Company. All rights reserved.3 Figure 21.02: Divisions of the Paleozoic Era and key events

4. Copyright © by Houghton Mifflin Company. All rights reserved.4 Figure 21.03: Base of the Cambrian system

5. Copyright © by Houghton Mifflin Company. All rights reserved.5 Figure 21.04a: Global paleogeography for the Cambrian period

6. Copyright © by Houghton Mifflin Company. All rights reserved.6 Figure 21.04b: Global paleogeography for the Ordovician period

7. Copyright © by Houghton Mifflin Company. All rights reserved.7 Figure 21.04c: Global paleogeography for the Early Devonian period

8. Copyright © by Houghton Mifflin Company. All rights reserved.8 Figure 21.04d: Global paleogeography for the Late Permian Period

9. Copyright © by Houghton Mifflin Company. All rights reserved.9 Figure 21.05: Hercynian orogeny

10. Copyright © by Houghton Mifflin Company. All rights reserved.10 Figure 21-1h-01: Regions of western Great Britain in which outcrops of lower Paleozoic strata occur

11. Copyright © by Houghton Mifflin Company. All rights reserved.11 Figure 21.08a (1, 2, and 3) Sequence of events responsible for the Taconic orogeny

12. Copyright © by Houghton Mifflin Company. All rights reserved.12 Figure 21.08b: Sequence of events responsible for the Taconic orogeny

13. Copyright © by Houghton Mifflin Company. All rights reserved.13 Figure 21.09 Paleogeography of North America during the Silurian Period

14. Copyright © by Houghton Mifflin Company. All rights reserved.14 Figure 21.10: The Queenston clastic wedge

15. Copyright © by Houghton Mifflin Company. All rights reserved.15 Figure 21.13: Avalonian terrane

16. Copyright © by Houghton Mifflin Company. All rights reserved.16 Figure 21.15: Thickness of the Catskill clastic wedge (in meters)

17. Copyright © by Houghton Mifflin Company. All rights reserved.17 Figure 21.18a: Principle physiographic provinces of the Appalachians

18. Copyright © by Houghton Mifflin Company. All rights reserved.18 Figure 21.18b: Principle physiographic provinces of the Appalachians

19. Copyright © by Houghton Mifflin Company. All rights reserved.19 Figure 21.20: Paleozoic structure of the West

20. Copyright © by Houghton Mifflin Company. All rights reserved.20 Figure 21.21: Antler orogeny

21. Copyright © by Houghton Mifflin Company. All rights reserved.21 Figure 21.23: Cambrian paleogeography

22. Copyright © by Houghton Mifflin Company. All rights reserved.22 Figure 21.25: Time-transgressive nature of Lower to Middle Cambrian rocks in the Grand Canyon region

23. Copyright © by Houghton Mifflin Company. All rights reserved.23 Figure 21.28: Late Devonian paleogeography of North America

24. Copyright © by Houghton Mifflin Company. All rights reserved.24 Figure 21.30: Pennsylvanian cyclothems

25. Copyright © by Houghton Mifflin Company. All rights reserved.25 Figure 21.31: Model of coal formation for Pennsylvania cyclothems

26. Copyright © by Houghton Mifflin Company. All rights reserved.26 Figure 21.32: Pennsylvanian-age coal deposits

27. Copyright © by Houghton Mifflin Company. All rights reserved.27 Figure 21-2h-01: Cross section of a portion of the Michigan basin

28. Copyright © by Houghton Mifflin Company. All rights reserved.28 Figure 21-2h-02: Model for evaporite deposition in the Michigan basin