In recent years there have been rapid strides in our understanding of plate-tectonic processes, many developments in methods of basin analysis, and the accumulation of much new surface and subsurface geological and geophysical data. Projects such as COCORP (in the United States) and Lithoprobe (in Canada) have provided essential insights into the deep crustal structure of the continent. Synthesis of all the available information about North America’s geological regions has not been attempted systematically since the “Decade of North American Geology project undertaken by the Geological Society of America and the Geological Survey of Canada nearly twenty years ago. The book commences with a summary of the Phanerozoic geological history of the United States and Canada, illustrated with a suite of new paleogeographic maps, and tying in each of the subsequent regional chapters by the inclusion of numerous cross-references. This followed by a set of fifteen regional syntheses of the principal tectonic regions of the United States and Canada, focusing on the stratigraphic and tectonic history of the major sedimentary basins. Most of these chapters have been contributed by specialists, drawing on their own research, and providing interpretive summaries of a type not previously attempted.
* Up-to-date synthesis of the sedimentary/tectonic history of the major areas of the United States and Canada * Up-to-date references * Many new color maps
This volume emphasizes the interaction of the Cordilleran thrust belt and Rocky Mountain foreland in studies of regional structural geology, geophysics, and sedimentology from west-central Montana to Arizona. The volume outlines how the nature of the Rocky mountain foreland and its deformation affect the geometry of the Cordilleran thrust belt. Many of the structural and geophysical studies reported in this volume also address the question of which structures - forland or thrust belt - developed first in a specific region and how early formed structures influenced later ones. Several chapters address the nature and style of foreland development.
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