Roadside Geology of Oregon
by Marli B. Miller
Roadside Geology of Oregon
|
|
| Acknowledgments |
iv
|
| Geologic Map of Oregon |
vi
|
| Oregon's Geologic History |
1
|
| Plate Tectonics and the Pacific Northwest |
1
|
| Earthquakes and Faults |
6
|
| Volcanic Activity |
8
|
| Paleozoic Era |
11
|
| Mesozoic Era |
13
|
| Cenozoic Era |
17
|
| Siletz River Volcanics and Tyee Formation |
17
|
| Clarno and John Day Formations and the Western Cascades |
20
|
| Columbia River Basalt Group and Uplift of the Coast Range |
22
|
| Basin and Range |
25
|
| High Cascades |
26
|
| Glaciation and the Missoula Floods |
27
|
| Oregon's Modern Climate and Waterways |
32
|
| Coast Range |
35
|
| Formation of the Coast Range |
35
|
| The Oregon Coast |
40
|
| The Willamette Valley |
48
|
| Guides to the Coast Range |
51
|
| Portland |
51
|
| Interstate 5: Portland - Eugene |
54
|
| Skinner and Spencer Buttes |
59
|
| Interstate 5: Eugene - Roseburg |
61
|
| Detour to Folded Umpqua Group |
63
|
| US 20: Corvallis - Newport |
64
|
| Marys Peak |
66
|
| US 26: Portland - Seaside |
67
|
| Saddle Mountain State Natural Park |
70
|
| US 30: Portland - Astoria |
72
|
| US 101: Astoria - Lincoln City |
74
|
| Ecola State Park |
77
|
| US 101: Lincoln City - Bandon |
81
|
| Devils Punchbowl |
84
|
| Cape Arago |
89
|
| OR 6: US 26 - US 101 |
93
|
| OR 18: Tualatin - US 101 |
96
|
| Erratic Rock State Natural Site |
97
|
| OR 22: Salem - US 101 |
98
|
| OR 38: I-5 - Reedsport |
99
|
| OR 42: Roseburg - Coos Bay |
102
|
| OR 126: Eugene - Florance |
106
|
| Cascade Range |
111
|
| The High Cascaades |
113
|
| The Western Cascades |
115
|
| Guides to the Cascade Range |
117
|
| Interstate 84: Portland - The Dalles |
117
|
| US 26: Portland - Madras |
126
|
| Mt. Hood |
128
|
| US 20: Albany - Bend |
132
|
| Sisters to Redmond on OR 126 |
136
|
| US 22: Salem - Santiam Junction |
138
|
| Silver Falls State Park |
140
|
| OR 58: Eugene - US 97 |
143
|
| OR 62: Medford - Crater Lake - US 97 |
149
|
| OR 230 to Diamond Lake |
152
|
| OR 66: Ashland - Klamath Falls |
154
|
| OR 140: Medford - Klamath Falls |
158
|
| OR 126: Eugene - US 20 |
160
|
| OR 138: Roseburg - US 97 |
164
|
| OR 242: McKenzie Bridge - Sisters |
169
|
| Crater Lake National Park |
171
|
| The Pinnacles |
178
|
| Klamath Mountains |
181
|
| Accreted Terraces |
184
|
| Klamaths after Accretion |
188
|
| Guides to the Klamath Mountains |
189
|
| Interstate 5: Roseburg - California Border |
189
|
| US 101: Bandon - California Border |
197
|
| Cape Blanco |
200
|
| US 199: Grants Pass - California Border |
207
|
| Oregon Caves National Monument |
210
|
| Lava Plateaus |
213
|
| Columbia Plateau and the Columbia River Basalt Group |
213
|
| High Lava Plains |
217
|
| Owyhee Upland |
219
|
| Guides to the Lava Plateaus |
219
|
| Interstate 84: The Dalles - Pendleton |
219
|
| US 20: Bend - Burns |
222
|
| US 20: Burns - Ontario |
226
|
| US 95: Idaho Border - Nevada Border |
233
|
| Leslie Gulch - Succor Creek Byway |
235
|
| WS 97: Biggs Junction - Bend - La Pine |
237
|
| The Cove Palisades State Park |
239
|
| Smith Rock State Park |
243
|
| Newberry Volcano |
245
|
| US 197: The Dalles - US 97 |
250
|
| US 395: John Day - Burns |
253
|
| OR 78: Burns - Burns Junction |
256
|
| Blue Mountains |
260
|
| Accreted Terraces |
261
|
| John Day Fossil Beds |
265
|
| Guides to the Blue Mountains |
269
|
| Interstate 84: Pendleton - Ontario |
269
|
| US 26: Madras - John Day |
273
|
| Painted Hills Unit of John Day Fossil Beds National Monument |
278
|
| US 26: John Day - Vale |
281
|
| US 395: Pendleton - Mt. Vernon |
286
|
| OR 19: Arlington - US 26 at Picture Gorge |
289
|
| OR 207 to Mitchell |
292
|
| Sheep Rock Unit of John Day Fossil Beds National Monument |
294
|
| OR 218: Shaniko - Antelope - Fossil |
296
|
| Antelope Highway |
297
|
| Clarno Unit of John Day Fossil Beds National Monument |
298
|
| OR 82/OR 86/Wallowa Mountain Road: LaGrande - Joseph - Baker City |
299
|
| Joseph Canyon Viewpoint |
303
|
| Hat Point |
306
|
| Hells Canyon |
309
|
| Basin and Range |
312
|
| Normal Faulting |
314
|
| lakes and Basins |
316
|
| Guides to the Basin and Range |
319
|
| US 97: La Pine - Klamath Falls - California Border |
319
|
| US 395: Riley - Lakeview - California Border |
323
|
| OR 31: La Pine - Valley Falls |
328
|
| OR 140: Klamath Falls - Lakeview |
336
|
| OR 205: Burns - Fields - Nevada Border |
339
|
| Diamond Craters |
342
|
| Steens Mountain |
346
|
| Glossary |
349
|
| Further Reading and References |
357
|
| Index |
369
|
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