Abstract:Major structural features of the Yakutat segment of the continental margin, between Cross Sound and Icy Bay in the northern Gulf of Alaska, are delineated by multichannel seismic reflection data. A large structural high centered on Fairweather Ground lies at the edge of the shelf from Cross Sound to west of the Alsek Valley. A basement uplift, the Dangerous River zone, along which the seismic acoustic basement shallows by up to 2 km, extends north from the western edge of Fairweather Ground toward the mouth of… Show more
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