00 Only recently has the astonishing modern theory of moving crustal plates enabled us to understand fully how the picturesque landscape of the San Francisco Bay Region and its surrounding areas has come into existence. In this book Howard tells the dramatic story, illustrated by clear, graphic sequential drawings: the continual remaking of the earth's surface on a time scale so immense human minds can scarcely grasp it. Only recently has the astonishing modern theory of moving crustal plates enabled us to understand fully how the picturesque landscape of the San Francisco Bay Region and its surrounding areas has come into existence. In this book Howard tells the dramatic story, illustrated by clear, graphic sequential drawings: the continual remaking of the earth's surface on a time scale so immense human minds can scarcely grasp it.

CD-ROM contains: Electronic version of text -- Maps.

How did the Sierra Nevada and adjacent lands come to be the size and shape they are today? This book covers 400 million years of physical evolution in a language understandable to nonscientists, tracing the volcanic activity, the folding and building of mountains, the breaking of blocks along fault lines, and the work of erosion and glaciers that have created today's dramatic landscape. Cordell Durrell spent a lifetime reading this complex story of movement and change in the rocks of the Feather River country. He shares with readers the excitement of discovering by remote but careful inference what must have happened millions upon millions of years ago. The basic methods of geologic analysis that Durrell describes can be applied anywhere on the earth's surface, lending new fascination to our travels throughout the frozen arctic, dry deserts, tropical rainforests, low swamps, and high mountains like California's magnificent Sierra.

With its active fault systems, complex landforms, and myriad natural habitats, southern California boasts a rich and dynamic geologic environment. This abundantly illustrated volume at last provides an up-to-date, authoritative, and accessible resource for students and general readers interested in southern California's geology and native plants. Covering an extensive area, north from San Diego to Yosemite in the Sierra Nevada and east to the Mojave and Colorado deserts, its unique, comprehensive approach brings together for the first time the basic principles of geology, the story of plate tectonics, in-depth discussion of the geology of many specific locales within the region, and information on identifying southern California's native plants.