Distribution of Indus born mica along Gulf of Kachchh coast: Implications in understanding current dynamics
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Indus is one of the major sources of sediments to the Gulf of Kachchh. Yet only its <63 micron fraction is studied in detail with regards to the offshore current dynamics. Hence here we present our study on characteristic signature of the Indus sediment load (i.e. mica minerals) in >63 micron size fraction along the coast of Gulf of Kachchh. The spatial distribution of mica minerals along the Gulf of Kachchh coast was studied which showed in general decreasing trend as we move along the northern and southern coast of the Gulf of Kachchh but, an increase in amount near the southern mouth at Okha. The study shows that the earlier proposed tidal barrier is ineffective in restricting movement of mica across the mouth of the gulf due to its characteristic transport mechanism. Also the presence of mudflats along the gulf of Kachchh coast plays a vital role as sediment receptors in the active sediment transport processes and mica minerals prove to be a promising simple tracer in studying the Indus born sediments in the region.
- Alexandar, C.R., Nittrouer, C.A., Demaster, D.J., Park, Y. and Park, S. (1981) Macrotidal mudflats of southwestern Korean coast: A model for interpretation of intertidal deposits. Jour. Sediment Petrol., v.61(5), pp.805–824.
- Allison, M.A., Nittrouer, C.A., Faria, L.E.C., Silveira, O.M. and Mendes, A.C. (1996) Sources and sinks of sediments to Amazon margin: The Amapa coast. Geo-marine Lett., v.16(1), pp.36–40. DOI: 10.1007/BF01218836 CrossRef
- Bhatt, N. (2000) Lithostratigraphy of Neogene-Quaternary sediments of Dwarka area, Saurashtra, Western India. Jour. Geol. Soc. India, v.55, pp.139–148.
- Biswas, S.K. (1987) Regional tectonic framework, structure and evolution of western marginal basins of India. Tectonophysics, v.135, pp.307–327. CrossRef
- Biswas, S.K. (1993) Geology of Kutch. K.D. Malaviya Institute of Petroleum Exploration, Dehradun, 450p.
- Chauhan, O.S. (1994) Influep.nce of macrotidal environment on shelf sedimentation, Gulf of Kachchh, India. Cont. Shelf Res., v.14, pp.1477–1493. CrossRef
- Chauhan, O.S., Jayakumar, S., Menezes, A.A., Rajawat, A.S. and Nayak, S. R. (2006) Anomalous inland influx of River Indus, Gulf of Kachchh, India. Mar. Geol., v.229, pp.91–100. CrossRef
- Doyle, L.J., Carder, K.L. and Steward, R.G. (1983) The hydraulic equivalence of mica. Jour. Sediment. Petrol., v.53, pp.643–648.
- Folk, R.L. (1974) Petrology of sedimentary rocks; Hemphill Publishing Co. Texas, 184p.
- Garzanti, E., Vezzoli, G., Andó, S., Paparella, P. and Clift, P. (2005) Petrology of Indus River sands: a key to interpret erosion history of the Western Himalayan Syntaxis. Earth Planet. Sci. Lett., v.229, pp.287–302. CrossRef
- Hequette, A., Hemdane, Y. and Anthony, E.J. (2008) Determination of sediment transport paths in macrotidal shoreface environments: a comparison of grain-size trend analysis with near-bed current measurements. Jour. Coastal Res., v.24, pp.695–707. CrossRef
- Kuehl, S. A., Naittrouer, C.A., Allison, M.A., Faria, E.C., Dukat, D.A., Jaeger, J.M., Pacoini, T.D., Figueiredo, A.G. and Underkoffler, E.C. (1996) Sediment deposition, accumulation and seabed dynamics in an energetic fine-grained coastal environment. Continental Shelf Res., v.16(5/6), pp.787–815. CrossRef
- Kunte, P.D., Wagle, B.G. and Sugimori, Y. (2003) Sediment transport and depth variation study of gulf of kutch using remote sensing. Internat. Jour. Rem. Sensing, v.24(11), pp.2253–2263. CrossRef
- Mallik, T.K., Venkatesh, K.V., Sengupta, R., Rao, B.R. and Rama Murty, M. (1976) Heavy mineral distribution patterns in the northern part of the Arabian Sea, Western Continental shelf of India. Indian Jour. Earth Sci., v.3, pp.178–187.
- Nair, R.R., Hashimi, N.H. and Rao, V.P. (1982) On the possibility of high velocity tidal streams as dynamic barrier to longshore sediment transport: evidence from continental shelf off the Gulf of Kachchh, India. Mar. Geol., v.47, pp.77–86. CrossRef
- Pethick, J. (2000) An introduction to coastal geomorphology. Oxford University Press, 260p.
- Prizomwala, S.P., Shukla, S.B. and Bhatt, N. (2010) Geomorphic assemblage of the Gulf of Kachchh coast, Western India: Implication in understanding the pathways of coastal sediments. Zeitschrift fur Geomorphologie, v.54(1), pp.31–46. CrossRef
- Ramaswamy, V., Nagender, N. B., Vethamony, P. and Illangovan, D. (2007) Source and dispersal of suspended sediment in macro-tidal Gulf of Kachchh. Mar. Poll. Bull., v.54, pp.708–719. CrossRef
- Webster, I.T. and Ford, P.W. (2010) Delivery, deposition and redistribution of fine sediments within macrotidal Fitzroy Estuary/Keppel Bay: Southern Great Barrier Reef, Australia. Continental Shelf Res., v.30, pp.793–805. CrossRef
- Distribution of Indus born mica along Gulf of Kachchh coast: Implications in understanding current dynamics
Journal of the Geological Society of India
Volume 79, Issue 6 , pp 557-562
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- Mica minerals
- Sediment pathways
- River Indus
- Gulf of Kachchh
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