Volume 2, No. 3, September 2016

General Information

  • ISSN: 2395-647X (Online)
  • Abbreviated Title:  Int. J. Geol. Earth Sci.
  • Editor-in-Chief: ​Prof. Marina Fernandez de la Cruz, Department of Petrology and Geochemistry, Faculty of Geological Sciences, Complutense University of Madrid, Spain
  • Associate Editor: Sujitha R. Reddy, Savitha Darsha
  • Executive Editor: Ms. Yoyo Y. Zhou
  • DOI: 10.18178/ijges
  • Abstracting/Indexing: GeoRef (Elsevier), Crossref, Google Scholar, Genamics, Eurasian Scientific Journal Index (ESJI), etc.
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International Journal of Geology and Earth Sciences
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Textural Analysis and Heavy Mineral Distribution Studies of Coastal Sediments from Portonova to Gadilam River, Along the East Coast of Tamil Nadu

S Rajmohan1, Hishamundavalens2, S Venkatesan3, and Nambaje Claude2
1.Department of Earth sciences, Annamalai University, Annamalai-Nagar
2.Centre for Earth Sciences, Indian Institute of Science, Bangalore, India
3.Annamalai University, Annamalai-Nagar

Abstract—The present study consist the determination of the grain size distribution in surface sediments and their heavy mineral contents. Data obtained from this study fine sand (2.067 -2.343 ), well-to moderately-sorted (0.385 -0.508 ), near symmetrical to fine skewness and very fine skewness (-0.031 -0.400 ), mesokurtic to leptokurtic and platikurtic represents dominant grain size in study area. Linear Discriminant Functions (LDF) interpretation of most of the locations falls under beach processes, shallow agitated water, shallow marine and turbidity current. Heavy minerals also identify different size fragments from nearby cliffs may also be present and even predominate under specific circumstances north and south of the study area. The heavy mineral assemblages found in this study are dominated by Ilmenite, Sillimanite, Garnet, Hypersthene, Hornblende, Leucoxene, Rutile, Topaz, Augite, Apatite, Zircon and Monazite. The present studies focused textural characteristics of sediments, depositional environmental conditions, heavy mineral assemblages and their provenances

Index Terms—Grain size; heavy minerals; beach; Gadilam River, Uppanar River, Vellar River

Cite:S Rajmohan, Hishamundavalens, S Venkatesan, and Nambaje Claude, "Textural Analysis and Heavy Mineral Distribution Studies of Coastal Sediments from Portonova to Gadilam River, Along the East Coast of Tamil Nadu," International Journal of Geology and Earth Science, Vol. 2, No. 3, pp. 33-42, September 2016.