Roadside Geology of Oregon

Learn about the Geology of Oregon with maps, photos and expert descriptions! This 6"x9" paperback has 386 pages that are packed with detailed information about Oregon Geology. See table of contents below.

Roadside Geology of OregonTable of Contents
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