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    Characterization of 2004 Indian Ocean tsunami induced deposits along the Chennai coast using magnetic and geochemical techniques

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    Indian_J_Geo-Mar_Sci_43_1378a.pdf (450.5Kb)
    Date
    2014
    Author
    Veerasingam, S.
    Venkatachalapathy, R.
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    Abstract
    Present study is the applicability of rock magnetic techniques, coupled with geochemical (SiO<sub>2</sub>, Al<sub>2</sub> O<sub>3</sub> , Fe<sub>2</sub>O<sub>3</sub>, CaO, MgO, K<sub>2</sub>O, P<sub>2</sub>O<sub>5</sub>, and MnO) and texture size measurements, as a proxy tool to identify tsunami induced deposits in the core sediments from the Chennai coast, India Down core profiles of mass specific magnetic susceptibility (x variable), x variable ARM and SIRM are similar in all sediment cores, and reflect changes in the detrital component mineralogy which is largely influenced by the tsunami event To identify t he connection between the tsunami deposit and different sedimentologic units present in the study area, textural, geochemical and rock magnetic data were processed by multivariate statistical analyses.
    URI
    http://drs.nio.org/drs/handle/2264/7612
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