Geology of the San Francisco Bay Region.

ACKNOWLEDGMENTS; INTRODUCTION; 1. THE BAY AREA AND THE PROCESSES THAT SHAPE ITS GEOLOGY; Time: Human and Geologic; Geologic Processes: Shaping the Landscape; 2. THE PLATE TECTONIC FRAMEWORK; The Dance of the Plates; California's Dynamic Past; The Bay Area's Network of Faults; Squeezing the Bay Area; The Bay Area's Complex Structure; 3. THE REMARKABLE ROCKS OF THE BAY AREA; The Foundation under Our Feet: The "Basement" Rocks; The Younger Rocks: Emerging from the Sea; 4. MARIN COUNTY: A DIVIDED LANDSCAPE; West of the San Andreas Fault.

Sierra Rocks in the Bay Area? East of the San Andreas FaultThe Franciscan Complex The Great Valley Complex The Younger Rocks Special Places to Explore; 5. SAN FRANCISCO: GEOLOGY BENEATH THE PAVEMENT; The Streams and Lakes That Once Were; The City on the Dunes; Ice Age Dune Sand Modern Sand along the Shore Under the City: The Rocky Foundation; Alcatraz Terrane Marin Headlands Terrane San Bruno Mountain Terrane Mélange Zones On Top of the Basement Rocks; 6. THE BAY AND THE ISLANDS; The Estuary and Its Surprises; Water That Flows "Upstream" Secrets of the Sediments.

Early History of the BayMarshes and Plains around the Bay; The Islands in the Bay: The Drowned Landscape; 7. THE PENINSULA: COAST, REDWOODS, AND BAY; The Coastal Landscape; The Land Uplifted Down to the Sea Faults That Carve Up the Peninsula; 8. THE SOUTH BAY; The Valley That Was: The Santa Clara Valley; South Bay Faults and Structure; The South Bay's Diverse Rocks; The Basement Rocks The South Bay Tertiary Rocks: From Sea to Land Volcanic Rocks Special Places to Explore; 9. THE EAST BAY; A Young Landscape.

The Delta: A Subsided Marsh Creeks That Go the Long Way Round The East Bay Fault SystemThe Hayward Fault Rocks Old and Young; The Mesozoic Subduction Record From Sea to Land The Livermore Valley; Special Places to Explore; 10. THE NORTH BAY; The Sonoma Coast: Lifted Up and Slumping Down; Faults and Fault Slices; The Hole in the Head Assembling the North Bay; The Basement Rocks Across the Fault After Subduction Ended The North Bay's Volcanoes; The Geysers Rivers and Bay; A Special Place to Explore: Goat Rock State Beach; Glossary; Further Reading; Figure and Map Sources.

Photo CreditsAdditional Captions; Geologic Map Index; Index.

Why does a bit of ocean floor lie on top of Mt. Diablo? Why is Red Rock, that small, knobby island in San Francisco Bay, red? Why is Loma Prieta high? This book is for San Francisco Bay Area residents and visitors who want to explore the geologic world of this spectacular area, to learn about its shapes, colors, and rocky foundations. Doris Sloan illuminates the colorful geologic mosaic that surrounds San Francisco Bay and lucidly explains the complex and fascinating processes that have forged it over millions of years. In a lively and engaging style, Sloan describes forces such as the movemen.

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Includes bibliographical references (pages 295-298) and indexes.

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