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    Foraminiferal assemblages and their use as indicators of sediments movement: a study in the shelf region off Navapur, India

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    Cont_Shelf_Res_5_421.pdf (529.3Kb)
    Date
    1986
    Author
    Nigam, R.
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    Abstract
    Factor analysis of 60 species of foraminifera from 13 stations off Navapur, reveals three major assemblages - Ammonia annectens, Ammonia papillosus-Asterorotalia dentata and Ammobaculites persicus assemblages. These assemblages are governed by fresh water runoff and organic matter content in the sediments. A comparison of living and dead tests distribution of important assemblages indicates movement of sediment towards east southeast and thus a current. The study is particularly important for predicting net sediment transport and planning and designing for offshore structures. The method adopted to decipher current-sediment transport may be useful in other areas where data on long-term movement of current or sediment transport are not available
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    http://drs.nio.org/drs/handle/2264/6199
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