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californias mountains and valleys
Cascade Range and Modoc Plateau
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andesite basalt Basin beds California California Division Cambrian Canyon Cenozoic Chesterman photo Coast Ranges conglomerate continental County crust Death Valley deposited Diablo Division of Mines Dome earth earthquake east eastern Eocene erosion fault zone feet Figure flows folded formed fossils Franciscan Formation GEOLOGIC AGES geologic history Geologic Map GEOLOGIC VIEWS geologists glacial glaciers granitic rocks gravels Highway Klamath Mountains Lake land landslides Late Jurassic lava limestone magma Map of California map sheet marine Mary Hill photo Mesozoic metamorphic rocks miles million minerals Mines and Geology Miocene Mojave Desert mountain building NATURAL PROVINCES northern Paleozoic Peak Peninsular Ranges Pleistocene Pliocene Precambrian quartz rhyolite River rock formations Salton Trough San Andreas fault San Francisco San Gabriel Mountains sand sandstone Santa schist sedimentary rocks sediments shale Sierra Nevada slopes strata structures surface terrace Tertiary Transverse Ranges U.S. Geological Survey unconformity uplift upper VIEWS AND JOURNEYS volcanic rocks western