The effect of changes in tidal range on a sublittoral macrotidal sequence,bay of fundy,Canada |
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| Authors: | C. L. Amos B. A. Zaitlin |
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| Affiliation: | (1) Bedford Institute of Oceanography, Geological Survey of Canada, Atlantic Geoscience Centre, P.O. Box 1006, B2Y 4A2 Dartmouth, N.S., Canada;(2) Department of Geological Sciences, Queen's University, K7L 3N6 Kingston, Ontario, Canada |
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| Abstract: | Independent evidence of changes in sea level and tidal range in the Bay of Fundy during the last 9000 years is used to evaluate the lithologies in 17 cores from the sublittoral part of Chignecto Bay. The composite tidal sequence identified is complex because of changes from microtidal through mesotidal to macrotidal conditions associated with changing water depths. Despite the complex stratigraphy, lithology correlates well with the depositional environment on a bed-by-bed basis. We postulate that such variations in tidal range are important to the interpretation of  tidalite deposits from the geologic record. |
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