Geology Underfoot in Western Washington
by Dave Tucker
Geology Underfoot in Western Washington
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| Preface |
vii
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| Using This Book: Maps, Locations, and Tools |
ix
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| Units of Measure and Time |
x
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| Acknowledgments |
xi
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| The Geology of Western Washington |
1
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| Plate Tectonics: The Cascadia Subduction Zone |
3
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| E Pluribus Unum: Assembling Washington |
10
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| Geology Marches On: The Future |
17
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| Petrology and Looking at Rocks |
19
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| How To Date A Rock |
22
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1. Native Legend as Geologic Fact Bridge of the Gods and the Bonneville Landslide |
27
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2. The Rocky Guts of a Volcano Beacon Rock and the Missoula Floods |
41
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3. Changes at the Mouth of the Columbia River Cafe Disappointment |
53
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4. Witness to a Giant Earthquake The Sunken Forest of Willapa Bay |
67
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5. Far-Traveled Lava The Columbia River Basalt in the Chehalis River |
81
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6. Enigma on the Prairie The Mima Mounds |
93
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7. Cave of the Apes Mount St. Helens National Volcanic Monument |
107
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8. Looking Down the Gun Barrel Johnston Ridge |
127
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9. The Life of an Andesite Stratovolcano Sunrise, Mount Rainier National Park |
139
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10. Debris Flows and Disappearing Ice Nisqually Glacier |
153
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11. Buried in Ice - Repeatedly Whidbey Island |
165
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12. Wandering Rocks Glacial Erratics of the Puget Lowland |
179
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13. Stop Erosion Save Snoqualmie Falls! |
201
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14. Urban Geology A Tour of Downtown Seattle Building Stone |
209
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15. Something Missing Tells a Tale The Folded Rocks at Beach 4 |
231
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16. Seafloor in the Sky Hurricane Ridge |
245
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17. A Spit in the Sea Dungeness Spit |
259
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18. The Deep Core of the North Cascades Skagit Gorge |
269
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19. Rising Granite Washington Pass |
283
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20. Honeycomb Weathering Larrabee State Park |
295
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21. The Big Bird of Western Washington Diatryma |
307
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22. Calderas and Columns Artist Point and Heather Meadows |
319
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| GPS Positions for Selected Waypoints |
334
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| Glossary |
338
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| Sources of More Information |
350
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| Index |
363
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