Geological Evolution of North America

Summary: Part I: Framework of the Earth. Continents and Oceans. Orogenesis. Part II: The Sedimentary Record. Stratigraphy. Correlation. Time. The Earth in Space. Uniformity and Progress. Life and Evolution. Part III: The Craton. The Shield. The Sauk Sequence. The Tippecanoe Sequence. The Kaskaskia Sequence. The Absaroke Sequence. Part IV: The Cordillera. The Paleozoic Era. Cordilleran Orogeny and Mesozoic Life. The Cordillera... in the Cenozoic. Part V: The Appalachia. Early Paleozoic History. Late Paleozoic Continental Collision. The Break-up of Pangaea. Part VI: The Arctic and Genozoic Ice Age. Borderlands of the Arctic Ocean. The Late Genozoic Ice Age. [read more]