Ancient Landscapes of the Grand Canyon Region

38 chapters

1. 1ANCIENT LANDSCAPES OF THE GRAND CANYON REGION
2. 2TABLE OF CONTENTS
3. 3INTRODUCTION
4. 4CHAPTER I THE ARCHEAN ERA
5. 5THE EARTH’S OLDEST ROCKS (THE ARCHEAN ERA)
6. 6GRANITE IN GRAND CANYON (THE ARCHEAN ERA)
7. 7CHAPTER II THE ALGONKIAN ERA
8. 8ALGONKIAN ROCKS IN GRAND CANYON
9. 9FORMATION OF MOUNTAINS (THE ALGONKIAN ERA)
10. 10EARLY CLIMATES (THE ALGONKIAN ERA)
11. 11OLDEST KNOWN LIFE (THE ALGONKIAN ERA)
12. 12CHAPTER III THE PALEOZOIC ERA
13. 13FIRST ANIMAL LIFE—THE TONTO ROCKS (CAMBRIAN PERIOD)
14. 14THE MISSING PERIODS OF THE THIRD ERA (ORDOVICIAN AND SILURIAN PERIODS)
15. 15THE AGE OF FISH (DEVONIAN PERIOD)
16. 16SEA LIFE FROM THE NORTH—THE REDWALL LIMESTONE (MISSISSIPPIAN OR LOWER CARBONIFEROUS PERIOD)
17. 17TRACKS IN THE SUPAI SANDSTONE (PERMIAN PERIOD)
18. 18LANDSCAPES OF THE HERMIT SHALE (PERMIAN PERIOD)

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