Lecture 7 Image Gallery

Permian through Triassic development of Sonomian arc. Northwest and southwest continental margin. Permo-triassic and Sonoma Fronts. Melange rocks. Melange rocks. Deep-water silicious chert. Sonoman orogeny. Oceanic assemblages. Sediment thicknesses in foredeep. Triassic-middle Jurassic. Middle Jurassic-late Cretaceous. Outcrops of melange in California. Yosemite intrusive rocks. Canadian cordillera section. Keystone Thrust near Las Vegas. Turbidite deposits. Conglomerate deposits. Arc-related plutons. Lateral tectonic movement in the Cordillera. Late Cretaceous-middle Eocene. Block uplifts of Precambrian basement. Laramide orogeny. Burchfiel and Davis 1975. Volcanic rocks 53 MA to 17 MA. Cenozoic extensional structures. Present state of western North America.