The Geologic Story of Yosemite National Park (1987) by N. King Huber N. King Huber none The Geologic Story of Yosemite National Park (1987) by N. King Huber Table of Contents The Geologic Story of Yosemite National Park (1987) by N. King Huber....................................................1 About the Author.....................................................................................................................................1 Bibliographical Information.....................................................................................................................3 The Geologic Story ofr r YOSEMITEr NATIONAL PARKr...........................................................5 By N. King Huber....................................................................................................................................5 U.S. GEOLOGICAL SURVEY BULLETIN 1595.................................................................................5 The Geologic Story of Yosemite National Park (1987) by N. King Huber....................................................8 FOREWORD...........................................................................................................................................9 The Geologic Story of Yosemite National Park (1987) by N. King Huber..................................................11 CONTENTS...........................................................................................................................................11 The Geologic Story of Yosemite National Park (1987) by N. King Huber..................................................14 ILLUSTRATIONS................................................................................................................................14 r r........................................................................................................................................................................18 YOSEMITE COUNTRY.......................................................................................................................18 Creation of a park............................................................................................................................18 Years of Exploration.......................................................................................................................19 The Geologic Story of Yosemite National Park (1987) by N. King Huber..................................................24 A VIEW FROM THE TOP—MOUNT HOFFMANN.........................................................................24 The Geologic Story of Yosemite National Park (1987) by N. King Huber..................................................33 GEOLOGIC OVERVIEW.....................................................................................................................33 COMMON MINERALSr IN GRANITE...............................................................................................36 The Geologic Story of Yosemite National Park (1987) by N. King Huber..................................................39 ROCKS, THE BUILDING MATERIALS............................................................................................39 Granite, Granite Everywhere...........................................................................................................39 –CLASSIFICATION OF PLUTONIC ROCKS–...........................................................................40 Granitic Rocks of Yosemite............................................................................................................47 METAMORPHIC ROCKS—ANCIENTr SEDIMENT AND LAVAS.........................................56 Late Cenozoic Volcanic Rocks—r Born of Fire.............................................................................58 PLATE TECTONICSr A DYNAMIC GLOBE..............................................................................59 The Geologic Story of Yosemite National Park (1987) by N. King Huber..................................................63 GENESIS OF YOSEMITE’S ROCKS..................................................................................................63 A Single Quiet Plate—r The Paleozoicr..........................................................................................63 r A Time of Fire and Upheaval—r The Mesozoicr.........................................................................64 r The Sierra Grows Again—r The Late Cenozoicr.........................................................................66 The Geologic Story of Yosemite National Park (1987) by N. King Huber..................................................71 FINAL EVOLUTION OF THE LANDSCAPE....................................................................................71 r The Role of Jointsr........................................................................................................................71 r Weathering and Erosionr..............................................................................................................80 i The Geologic Story of Yosemite National Park (1987) by N. King Huber Table of Contents The Geologic Story of Yosemite National Park (1987) by N. King Huber r The Record ofr Pleistocene Glaciationsr......................................................................................96 r The Glacial Geology of Yosemiter...............................................................................................98 r What the Glaciers Missedr..........................................................................................................106 r Modern Glaciersr........................................................................................................................108 r After the Glaciersr.......................................................................................................................112 The Geologic Story of Yosemite National Park (1987) by N. King Huber................................................116 DEFINITON OF TERMS....................................................................................................................116 The Geologic Story of Yosemite National Park (1987) by N. King Huber................................................123 REFERENCES AND ADDITIONAL READING..............................................................................123 Library...........................................................................................................................................123 Geology.........................................................................................................................................124 Geologic Maps..............................................................................................................................127 The Geologic Story of Yosemite National Park (1987) by N. King Huber................................................131 A WORD OF THANKS......................................................................................................................131 The Geologic Story of Yosemite National Park (1987) by N. King Huber................................................133 Geologic Maps.....................................................................................................................................133 GEOLOGIC MAP OF YOSEMITE NATIONAL PARK AND VICINITY — PLATE 1..........135 GEOLOGIC MAPS OF YOSEMITE...........................................................................................135 GEOLOGIC MAP OF THEr r YOSEMITE VALLEY AREAr r PLATE 2................................141 The Geologic Story of Yosemite National Park (1987) by N. King Huber................................................145 INDEX.................................................................................................................................................145 A, B...............................................................................................................................................145 C....................................................................................................................................................145 D-F.................................................................................................................................................145 G....................................................................................................................................................146 H....................................................................................................................................................146 I-K.................................................................................................................................................145 L.....................................................................................................................................................145 M...................................................................................................................................................145 N-P.................................................................................................................................................146 R....................................................................................................................................................146 S.....................................................................................................................................................145