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    Evidence for seafloor spreading in the Laxmi Basin, northeastern Arabian Sea

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    Earth_Planet_Sci_Lett_125_211.pdf (656Kb)
    Date
    1994
    Author
    Bhattacharya, G.C.
    Chaubey, A.K.
    Murty, G.P.S.
    Srinivas, K.
    Sarma, K.V.L.N.S.
    Subrahmanyam, V.
    Krishna, K.S.
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    Abstract
    Marine magnetic anomaly data from the Laxmi Basin for the first time reveal the presence of fairly correlatable NNW-trending magnetic lineations. These magnetic lineations are symmetric about a central negative magnetic anomaly and the axis of symmetry coincides with a characteristic short-wavelength free-air gravity low. The anomalies are interpreted as representing a two-libed seafloor spreading sequence which can be be equated to the A28-A33 interval of the geomagnetic polarity reversal timescale. These results suggest that the Laxmi Basin is underlain by an oceanic crust. Evidence of seafloor spreading in this basin possibly implies a pre-A27 spreading episode in the evolutionary history of the Arabian Sea.
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    http://drs.nio.org/drs/handle/2264/7365
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