Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

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X-Ray Diffraction Analysis of Clays of Coastal Sedimentaries in Parts of West and East Godavari Districts, Andhra Pradesh


Affiliations
1 National Geophysical Research Institute, Hyderabad, India
2 Department of Geology, Andhra University, Waltair, India
     

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The nonmarine sediments are characterised by dominating presence of kaolinite, while the marine sediments have differing clay mineral composition. The Intertrappeans are represented by Na+ moutmorillonites and the Raghavapurarn clays are characterised by a combination of kaolinite, illite and montmorillonite in decreasing order of abundance. These clays are believed to have been derived from different source rocks under varying climatic conditions.
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  • X-Ray Diffraction Analysis of Clays of Coastal Sedimentaries in Parts of West and East Godavari Districts, Andhra Pradesh

Abstract Views: 180  |  PDF Views: 2

Authors

I. Radhakrishna
National Geophysical Research Institute, Hyderabad, India
M. Poornachandra Rao
Department of Geology, Andhra University, Waltair, India

Abstract


The nonmarine sediments are characterised by dominating presence of kaolinite, while the marine sediments have differing clay mineral composition. The Intertrappeans are represented by Na+ moutmorillonites and the Raghavapurarn clays are characterised by a combination of kaolinite, illite and montmorillonite in decreasing order of abundance. These clays are believed to have been derived from different source rocks under varying climatic conditions.