Roadside Geology of Idaho - Table of Contents
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The Big Picture
|
1
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Continental Crust, Oceanic Crust
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1
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The Mantle
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4
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Plate Tectonics
|
4
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Lithosphere and Asthenosphere
|
5
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Oceanic Ridges - Separating Plates
|
6
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Oceanic Trenches - Colliding Plates
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7
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Transform Faults - Sliding Plates
|
9
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Ancient History of Idaho
|
10
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Antique Sedimentary Formations
|
10
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The Great Precambrian Continental Rift
|
13
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Paleozoic Sedimentary Formations
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15
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The Phantom Antler Mountains
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15
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Mesozoic Sedimentary Formations
|
16
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The Big Plate Collision
|
16
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The Kootenay Arc
|
18
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The Early Western Welt
|
18
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The Overthrust Belt
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19
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The Western Mylonite
|
20
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Islands that Came into Port
|
21
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The Trench Jumps West - Twice
|
22
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Is Something Important Missing?
|
23
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Eocene Complications
|
24
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Western Cascades, Columbia Plateau, High Cascades
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25
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Basin and Range
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27
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The Snake River Plain
|
28
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A Conspiracy of Events
|
29
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The Deccan Connection
|
29
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The Terminal Cretaceous Calamity
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31
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Columbia Plateau, Snake River Plain, Basin and Range
|
33
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What if It Hadn't Happened?
|
36
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Questions Waiting For Answers
|
37
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The Changing Climates of Tertiary Time
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37
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The Excessively Mild Weather of Early Tertiary Time
|
38
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The First Long Dry Spell
|
38
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Tropical Idaho
|
39
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Pliocene Sediment
|
41
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Ice Age Glaciation
|
42
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The Modern Streams Begin to Flow
|
44
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The Panhandle
|
48
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The Belt Basin
|
48
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Diabase Sills
|
50
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The Vanished Precambrian World
|
52
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The Kaniksu Batholith and the Purcell Trench
|
57
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The Coeur d'Alene Ores
|
59
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Glaciation
|
60
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Glacial Lake Missoula
|
61
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Interstate 90: Spokane - Missoula
|
65
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US 2: Newport - Montana
|
73
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US 95: Coeur d'Alene - British Columbia
|
83
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Central Idaho
|
92
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The Plate Tectonic Scene
|
93
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The Early Mountain Welt
|
93
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The Mountains Spread East
|
94
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The Migratory Islands Come Home
|
97
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The Old Continental Margin
|
98
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The Bitterroot and Atlanta Batholiths
|
100
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Granite, Gneiss, and Schist
|
102
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The Eocene Scene
|
105
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Dikes, Granite, and Rhyolite
|
108
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Columbia Plateau and the Basin and Range
|
111
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Flood Basalts and Tropical Lakes
|
111
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Basin and Range
|
114
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Frontier Mining
|
115
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Placer Mining
|
116
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Hardrock Mining
|
117
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Scams
|
119
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Cyanide
|
120
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The Ice Ages
|
121
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Cold Climate Erosion
|
122
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US 12: Lewiston - Kooskia
|
123
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Kooskia - Lolo Pass
|
130
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US 93: Arco - Challis
|
140
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Challis - Lost Trail Pass
|
148
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Salmon River Canyon
|
158
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US 95: Payette - New Meadows
|
166
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New Meadows - Lewiston
|
173
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Lewiston - Coeur d'Alene
|
185
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Hells Canyon
|
192
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Idaho 3 / 97: Lewiston - Interstate 90
|
199
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Idaho 21: Boise - Stanley
|
205
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Idaho 28: Salmon - Interstate 15
|
211
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Idaho 55: Boise - New Meadows
|
216
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Idaho 75: Shoshone - Challis
|
223
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Snake River Plain
|
234
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The Western Snake River Plain
|
236
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The Main Snake River Plain
|
237
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The Yellowstone Volcano
|
240
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The Volcanic Lowland
|
242
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Second Generation Volcanoes
|
242
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Basalt Flows
|
245
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That Nice Fresh Volcanic Surface
|
247
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The Ice Ages
|
248
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The Great Bonneville Flood
|
248
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Patterned Ground
|
252
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Interstate 15: Pocatello - Monida Pass
|
254
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Interstate 84: Ontario - Mountain Home
|
259
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Interstate 84: Mountain Home - Interstate 86
|
265
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Interstate 86: Interstate 84 - Pocatello
|
272
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US 20: Mountain Home - Arco
|
282
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Craters of the Moon
|
287
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US 20: Arco - Idaho Falls
|
294
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Idaho Falls - Targhee Pass
|
298
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US 93: Nevada Line - Carey
|
310
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US 95: Weiser - Jordan Valley, Oregon
|
318
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Idaho 51: Mountain Home - Nevada Line
|
324
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The Southeastern Mountains
|
328
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|
Sedimentary Rock Formations |
329
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|
The Rocky Mountains
|
332
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|
Does Idaho Have Oil Wells in its Future?
|
334
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|
Core Complexes
|
335
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|
The Basin and Range |
336
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|
The Ice Ages and Lake Bonneville
|
338
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Interstate 15: Pocatello - Utah
|
341
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Interstate 84: Interstate 86 - Utah
|
348
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US 26: Idaho Falls - Wyoming
|
357
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US 30: Interstate 15 - Wyoming
|
361
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US 89: Utah - Wyoming
|
372
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If You Want to Read More
|
379
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Glossary
|
381
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Index
|
388
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