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Geology Underfoot in Yosemite National Park

Geology Underfoot in Yosemite National Park

by Allen F. Glazner and Greg M. Stock

Only $23.99
Learn about the Geology of Yosemite National Park with maps, photos and expert descriptions! This 6"x9" paperback has 299 pages that are packed with detailed information about Yosemite Geology. See table of contents below.

Geology Underfoot in Yosemite National Park
Table of Contents

Preface
vii
Introduction
1
  Yosemite's Geologic Backdrop
1
  How Glaciers Work and How They Shaped Yosemite
10
    What Is a Glacier?
11
    How Glaciers Erode
16
    Glacial Modification of Landscapes
18
    What Glaciers Leave Behind
22
    History of Glaciers in Yosemite
24
    Modern Glaciers
29
  Rivers and Streams in Yosemite
30
  Geologic Study of Yosemite
36
1. Bones of the Earth
    Granite, Granodiorite, and the Bedrock of Yosemite
41
2. Vertical Exposure
    The Geology of Yosemite Climbing
57
3. Pushed of a Cliff
    The Origin of Yosemite Falls
71
4. Giant Steps
    Vernal and Nevada Falls
77
5. Free-Falling Granite
    The 1996 Happy Isles Rockfall and Its Unusual Air Blast
85
6. That's the Way the Cookie Crumbles
    The 1982 Cookie Cliff Rockslide
95
7. The Walls Came Tumbling Down
    Earthquakes and Rock Avalanches in Yosemite Valley
103
8. How Water Sculpts Yosemite
    The Flood of 1997
111
9. A Natural Dam Across Yosemite Valley
    The El Capitan Moraine
121
10. Cracks in the Earth
    The Fissures of Taft Point
131
11. Half a Dome Is Better Than None
    Sentinel Dome and Half Dome
139
12. The Earth as an Onion
    Exfoliation Joints
147
13. The Ice Went Thataway!
    The Shaping of Pothole Dome
155
14. Exotic Erratics
    Glacially Transported Boulders at Olmsted Point
165
15. Why are There Trees Poking Out of Tenaya Lake?
    The Great Medieval Megadrought
171
16. Soda Springs
    That Fizzy Taste Carries a Geochemical Surprise
181
17. Runaway Rocks
    Metamorphic Rocks at May Lake
187
18. Root of an Ancient Volcano
    Little Devils Postpile
195
19. Tombstone Rocks, Slate and Greenstone
    Rocks of the Western Approaches
205
20. Inverted Landscape
    The Stanislaus Table Mountain Lava Flow
217
21. Eocene Erosion
    Ancient, Weathered Landscapes of the Sierra Nevada
225
22. An Ancient, Ice-Bound Sea
    Mono Lake and Ancestral Lake Russell
235
23. An Underwater Volcano
    Mono Lake's Black Point
247
24. Evidence of the Ice Ages
    Glacial Deposits In and Around Lee Vining Canyon
255
25. Dreams of Silver
    The Mines of Bennettville and Dana Village
267
Glossary
274
Sources of More Information
282
Index
289