Northwest Exposures: A Geologic Story of the Northwest

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Mountain Press Pub., Jan 1, 1995 - Science - 443 pages
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The tale of the Northwest's geology began more than two billion years ago when an ancient continent split, creating oceanfront property in what is now western Idaho. Pacific islands mashed into that coastline, making large parts of Washington and Oregon.

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Review: Northwest Exposures: A Geologic Study of the Northwest

User Review  - Hazel Roberts - Goodreads

I read this book because I have visited the area of the cascades which includes Crater Lake & Mount St. Helens Read full review

Contents

Back in the Precambrian
1
The Belt Sedimentary Basin
13
The Great Continental Rift
25
Early Paleozoic Time
31
The Phantom Antler Mountains
39
Mesozoic Time The First Half
51
Plates Separate and Collide
59
Folds and Granite The Kootenay Arc
67
Horrible Catastrophe in Southeastern Oregon
235
Floods of Basalt
241
The Climatic Side Effects
255
The Basin and Range
261
The Snake River Plain
267
The Yellowstone Volcano
277
Folds and Faults in the Columbia Plateau
283
The Olympic Mountains
289

Adding Pieces to the Collage
77
The Seven Devils and
85
The Old Continental Margin
91
The Insular Terrane Arrives
105
The Northern Rocky Mountains
115
The Early Mountains Collapse
123
The Overthrust Belt
135
The Late Cretaceous World
141
The Great Crash of 65 Million Years Ago
151
Early and Middle Tertiary Time
159
More Terranes
167
Core Complexes
175
An Eocene Volcanic Chain
183
Andesite Rhyolite and Granite
187
Peculiar Igneous Rocks in Central Montana
197
A New Generation of Mountains
207
The Coastal Hills
215
The Western Cascades
221
The First Long Dry Spell
227
Late Tertiary Time
233
The Sheared Western Fringe
295
The Second Long Dry Spell
299
The High Cascades
307
Pleistocene Time
325
Ice Ages Come and Go
327
The Modern Streams Begin to Flow
333
The Many Landscapes of the High Plains
345
Mountain Glaciers
351
The Glaciated Northern Plains
357
The Western Regional Ice
361
Lake Bonneville and the Great Lake Bonneville Flood
375
Glacial Lake Missoula Floods
381
The Coast
391
Epilogue
403
Glossary
409
Reading
415
Index
429
About the Authors
443
Copyright

About the author (1995)

Alt is cofounder of the Roadside Geology Series. He teaches geology at the University of Montana-Missoula.

Hyndman is cofounder of the Roadside Geology Series. He teaches geology at the University of Montana-Missoula.

Bibliographic information