Clay minerals in the sediments around the Andaman Islands

Show simple item record Rao, V.P. 1995-05-14T10:00:57Z 2017-09-29T13:48:35Z 1995-05-14T10:00:57Z 2017-09-29T13:48:35Z 1983
dc.identifier.citation Indian Journal of Marine Sciences, vol.12; 1983; 17-20
dc.identifier.issn 0379-5136
dc.description.abstract Clay minerals in the eastern side of Andaman Islands consist of montmorillonite, kaolinite, illite and Fe-rich chlorites while on western side they consist of illite and Fe-poor chlorite with minor kaolinite and montmorillonite. These assemblages have different provenances. The Andaman Sea clays are derived largely from the sediments transported by the Irrawady River, while the western side shelf sediments (on the Bay of Bengal side) are derived from the weathering products of the rocks on the Island proper and the slope samples show contribution from the Ganges. Distribution of detrital minerals such as quartz and feldspar support the above conclusions. The 2 distinct clay mineral provenances result because the Andaman Islands appear to be a barrier to the mixing of the 2 clay mineral suites
dc.language en
dc.publisher CSIR-NISCAIR
dc.relation.ispartof Indian J Mar Sci
dc.relation.isreferencedby SCI
dc.subject Geology and Geophysics
dc.subject.other sediment samples
dc.subject.other distribution
dc.subject.other clay minerals
dc.subject.other ISW, India, Andaman I.
dc.title Clay minerals in the sediments around the Andaman Islands
dc.type Journal Article CSIR-National Institute of Oceanography, Dona Paula, Goa, India

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