Ancient Landscapes of the Grand Canyon Region The Geology of Grand Canyon, Zion, Bryce, Petrified Forest & Painted Desert
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ANCIENT LANDSCAPES OF THE GRAND CANYON REGION
TABLE OF CONTENTS
INTRODUCTION
CHAPTER I THE ARCHEAN ERA
THE EARTH’S OLDEST ROCKS (THE ARCHEAN ERA)
GRANITE IN GRAND CANYON (THE ARCHEAN ERA)
CHAPTER II THE ALGONKIAN ERA
ALGONKIAN ROCKS IN GRAND CANYON
FORMATION OF MOUNTAINS (THE ALGONKIAN ERA)
EARLY CLIMATES (THE ALGONKIAN ERA)
OLDEST KNOWN LIFE (THE ALGONKIAN ERA)
CHAPTER III THE PALEOZOIC ERA
FIRST ANIMAL LIFE—THE TONTO ROCKS (CAMBRIAN PERIOD)
THE MISSING PERIODS OF THE THIRD ERA (ORDOVICIAN AND SILURIAN PERIODS)
THE AGE OF FISH (DEVONIAN PERIOD)
SEA LIFE FROM THE NORTH—THE REDWALL LIMESTONE (MISSISSIPPIAN OR LOWER CARBONIFEROUS PERIOD)
TRACKS IN THE SUPAI SANDSTONE (PERMIAN PERIOD)
LANDSCAPES OF THE HERMIT SHALE (PERMIAN PERIOD)
WIND-BLOWN SAND—THE COCONINO (PERMIAN PERIOD)
WARM SEAS FROM THE WEST—THE TOROWEAP AND KAIBAB FORMATIONS (PERMIAN PERIOD)
CHAPTER IV THE MESOZOIC ERA
REMNANTS OF YOUNGER STRATA—RED BUTTE AND CEDAR MOUNTAIN (MOENKOPI FORMATION: TRIASSIC PERIOD)
THE PETRIFIED FOREST (SHINARUMP AND CHINLE FORMATIONS; TRIASSIC PERIOD)
DINOSAUR TRACKS (WINGATE-KAYENTA; JURASSIC PERIOD)
THE ROCKS OF ZION CANYON AND RAINBOW NATURAL BRIDGE (NAVAJO SANDSTONE; JURASSIC PERIOD)
FROM SEASHELLS TO COAL BEDS (DAKOTA. MANCOS, MESA VERDE; CRETACEOUS PERIOD)
CHAPTER V THE CENOZOIC ERA
BRYCE CANYON FORMATION (WASATCH: EOCENE EPOCH)
A GREAT EROSION SURFACE (CENOZOIC AGE)
CRUSTAL MOVEMENT AT GRAND CANYON (CENOZOIC AGE)
CUTTING THE GRAND CANYON (PLIOCENE AND PLEISTOCENE EPOCHS)
THE FORMING OF ZION CANYON (PLIOCENE AND PLEISTOCENE EPOCHS)
GLACIERS (PLEISTOCENE EPOCH)
SAN FRANCISCO MOUNTAIN VOLCANIC FIELD (PLIOCENE AND PLEISTOCENE EPOCHS)
ELEPHANTS AND CAMELS (PLEISTOCENE EPOCH)
ADVENT OF MAN IN THE SOUTHWEST (PLEISTOCENE HISTORIC)
GEOLOGICAL BIBLIOGRAPHY OF GRAND CANYON REGION Including Zion, Bryce, Painted Desert, and Petrified Forest
Transcriber’s Note
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