A structure map was constructed of the continental shelf "between Cape Blanco and Coos Bay, Oregon, exclusively from an interpretation of approximately 700 km of continuous seismic profiles. At least ten discernible seismic units were mapped on the "oases of acoustic appearance, lateral continuity, angular unconformities, and faults.The offshore units tentatively were correlated with onshore geology and are "believed to range in age from the latest Jurassic to late Pleistocene. The sparker profiles reveal that the continental shelf off southern Oregon has experienced significant late Tertiary and Quaternary accretion due to deposition and tectonic uplift. The oldest rock exposures, believed to be the latest Jurassic; in age, crop out on the inner continental shelf on the topographic highs off Cape Blanco and Coquille Point. Erosional "remnants of v This study is part of a detailed geological and geophysical "Study of the Continental Margin Off the State of Oregon" being
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