Geology Underfoot in Yellowstone Country Table of Contents
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Preface
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vii
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Acknowledgments |
ix
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Introduction |
1
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Vignettes |
1
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1. The Missing Record of Deep Time
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|
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The Great Unconformity in Shoshone River Canyon
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15
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2. Invasion of the Trilobites
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|
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Cambrian Sea Life Flourishes near Cody
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27
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3. Limy Record of Shallow Seas |
|
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Mississippian Limestone at Pebble Creek Campground
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37
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4. The Cretaceous Interior Seaway
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|
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Marine Deposits in Gardner River Canyon
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45
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5. Mountains Reduced to Rubble
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|
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Sphinx Mountain and The Helmet
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56
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6. Basement Rock on the Rise
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|
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Uplift of Rattlesnake and Cedar Mountains
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71
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7. Strange Brew |
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The Unusual Volcanic Rocks near Sylvan Pass
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79
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8. Debris Flow Deposits
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|
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Coarse Conglomerate between Cody and East Entrence
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91
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9. Fossilized Forests |
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Petrified Wood in Tom Miner Basin
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100
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10. From Playa Lakes to Rushing Rivers
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|
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Landscape Changes Recorded at Hepburn's Mesa
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113
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11. Arrival of the Hot Spot
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|
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The First Caldera-Forming Eruption in Yellowstone
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127
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12. The Yellowstone Volcano Erupts Again! |
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Tuff Smothers the Region aand a Caldera Forms
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143
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13. The Youngest Eruptions
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|
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Rhyolite Flows in the Firehole River Drainage
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157
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14. Ice Sculptures along the Beartooth Highway
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|
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Glaciers Carve Yellowstone's Landscapes |
171
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15. Rivers of Dirty Ice |
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Glacial Deposits in Northern Yellowstone
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186
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16. Melting Ice and Sliding Shale |
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Floods and Earthflows near Gardiner
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197
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17. Terraced Travertines
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|
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Mammoth's Famous Hot Springs
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209
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18. Siliceous Sinter |
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Old Faithful and Upper Geyser Basin
|
223
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19. Hydrothermal Explosions
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|
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Norris Geyser Basin and Yellowstone Lake's North Shore
|
237
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20. The Night the Ground Shook |
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The 1959 Hebgen Lake Earthquake
|
251
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Epilogue: The Certainty of Change in Yellowstone
|
266
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Glossary
|
273
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Sources of More Information
|
283
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GPS Coordinates for Stop Locations
|
291
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Index
|
293
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