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    Gravity anomalies over a segment of Pratap ridge and adjoining shelf margin basin, western continental margin of India

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    Oceanogr_Indian_Ocean_1992_511.pdf (354.5Kb)
    Date
    1992
    Author
    Subrahmanyam, V.
    Rao, D.G.
    Ramprasad, T.
    KameshRaju, K.A.
    Rao, M.G.
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    Abstract
    Bathymetric and gravity data totalling 2000 line km on the continental margin off Goa and Mulki, west of India have been studied. The free-air gravity anomalies vary between -60 to 25 mgals with prominent NNW-SSE trends in the outer shelf region and ENE-WSW trends in the midshelf region. The subsurface extensions of the Prathap Ridge and shelf margin basin towards north and south were mapped. Two-dimensional model studies were carried out to infer the crustal structure. These studies revealed maximum thickness of 4 km. sediments over the shelf margin basin and the thickness of the crust thins out to 24 km towards offshore
    URI
    http://drs.nio.org/drs/handle/2264/3035
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