Stratigraphy lies at the heart of geology and we have set for ourselves the rather daunting task of describing, albeit in summary form, the regional stratigraphy of North America. Our purpose is to develop a stratigraphic framework against which to view the history of the continent and with which to test ideas about Earth mechanics. No such treatment can ever be complete, as ours is not, but we hope the attempt will provide the reader with at least a working summary of North American stratigraphy and geological history.
KeywordsLower Cambrian Fossil Assemblage Stratigraphic Framework Physiographic Province Stratigraphic Subdivision
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