Mineral magnetic characterization of the Godavari river and western Bay of Bengal sediments: Implications to source to sink relations

详细信息    查看全文

• 作者：Y. R. Kulkarni ; S. J. Sangode ; J. Bloemendal…
• 关键词：Godavari River ; Bengal fan ; Mineral magnetism ; Deccan basalt ; Monsoon ; Bay of Bengal
• 刊名：Journal of the Geological Society of India
• 出版年：2015
• 出版时间：January 2015
• 年：2015
• 卷：85
• 期：1
• 页码：71-78
• 全文大小：1,686 KB
• 参考文献：Alekseeva , T., Alekseev , A., Maher , B.A. and Demkin , V. (2007) Late Holocene climate reconstructions for the Russian steppe, based on mineralogical and magnetic properties of buried palaeosols. Palaeogeogr. Palaeoclimatol. Palaeoecol., v. 249(1), pp. 103鈥?27.View Article
  Balsam , W. L., Ellwood , B. B., Ji , J., Williams , E. R., Long , X. and El Hassani , A. (2011) Magnetic susceptibility as a proxy for rainfall: Worldwide data from tropical and temperate climate. Quat. Sci. Rev., v.30(19), pp.2732鈥?744.View Article
  Caitcheon , G.G. (1998) The application of environmental magnetism to sediment source tracing: A new approach; CSIRO Land and Water technical report, 21/98.
  Chauhan , O.S. and Vogelsang , E. (2006) Climate induced changes in the circulation and dispersal patterns of the fluvial sources during late Quaternary in the middle Bengal Fan. Jour. Earth Sys. Sci., v.115/3, pp.379鈥?86.View Article
  Cullen , J.L. (1981) Microfossil evidence for changing salinity patterns in the Bay of Bengal over the last 20,000 years. Palaeogeogr. Palaeoclimatol. Palaeoecol., v.35, pp.315鈥?56.View Article
  Dunlop , D.J. and 枚Zdemir , 枚. (2001) Rock magnetism: fundamentals and frontiers (Vol. 3). Cambridge Univ. Press.
  Duplessy , J.C. (1982) Glacial to interglacial contrasts in the northern Indian Ocean. Nature, v.295, pp.494鈥?98.View Article
  Evans , M.E. and Heller , F. (1994) Magnetic enhancement and paleoclimate: study of a loess/paleosol couplet across the Loess Plateau of China. Geophys. Jour. Internat., v.117, pp.257鈥?64.View Article
  Evans , M.E. and Heller , F. (2003) Environmental Magnetism: Principles and Applications of Enviromagnetics. Inter. Geophysics Series, v.86, pp.21鈥?2.
  Geiss , C.E., Egli , R. and Zanner , C. W. (2008) Direct estimates of pedogenic magnetite as a tool to reconstruct past climates from buried soils. Jour. Geophys. Res, v.113, B11102.View Article
  Goldich , S.S. (1938) A study in rock-weathering. Jour. Geol., pp.17鈥?8.
  Goodbred , S.L., Kuehl , S.A., Steckler , M.S. and Sarker , M.H. (2003) Controls on facies distribution and stratigraphic preservation in the Ganges鈥揃rahmaputra delta sequence. Sediment. Geol., v.155(3), pp.301鈥?16.View Article
  Horng , C.S. and Huh , C.A. (2011) Magnetic properties as tracers for source-to-sink dispersal of sediments: A case study in the Taiwan Strait. Earth Planet. Sci. Lett., v.309(1), pp.141鈥?52.
  Kulkarni , Y.R., Sangode , S.J., Meshram , D.C., Patil , S.K. and Dutt , Yatindra (2014) Mineral magnetic characterization of the Godavari River sediments, Jour. Geol. Soc. India, v.83, pp.376鈥?84.View Article
  Lees , J. A. (1994) Modelling the magnetic properties of natural and environmental materials. Unpublished Ph.D. Thesis, University of Coventry, UK.
  Li , H., Zhang , S., Fang , N. and Wang , H. (2006) Magnetic records of Core MD77-181 in the Bay of Bengal and their paleoenvironmental implications. Chinese Sci. Bull., v. 51(15), pp.1884鈥?893.View Article
  Ponton , C., Giosan , L., Eglinton , T.I., Fuller , D.Q., Johnson , J.E., Kumar , P. and Collett , T.S. (2012) Holocenearidification of India. Geophys. Res. Lett., v.39(3), L03704.View Article
  Rao , K.N., Saito , Y., Nagakumar , K.C.V., Demudu , G., Basavaiah , N., Rajawat , A.S., Tokanai , F., Kato , K. and Nakashima , R. (2012) Holocene environmental changes of the Godavari Delta, east coast of India, inferred from sediment core analyses and AMS 14C dating. Geomorphology, v.175鈥?76, pp.63鈥?75.
  Rao G.N. (1999) Monsoon rainfall and its variability in Godavari river basin. Jour. Earth Sys. Sci., v.108(4), pp.327鈥?32.
  Rao , G.N. (2001) Occurrence of heavy rainfall around the confluence line in monsoon disturbances and its importance in causing floods. Jour. Earth Sys. Sci., v.110(1), pp.87鈥?4.View Article
  Reddy , N.P.C. and Mohana Rao , K. (2001) Heavy sediments influx during early Holocene: Inference from clay mineral studies in a core from the Western Bay of Bengal. Curr. Sci., v.81/10, pp.1361鈥?364.
  Sagar , W.W. and Hall , S.A. (1990) Magnetic properties of black mud turbidites form ODP leg 116, distal Bengal fan, Indian Ocean. In: J.R. Cochran and D.A.V.O. Stow, D et al. (Eds.), Proc. Ocean Drilling Program. Scientific Results, v.116, pp.317鈥?36.
  Sangode , S.J., Suresh , N. and Bagati , T.N. (2001) Godavari source in the Bengal fan sediments: results from magnetic susceptibility dispersal pattern. Curr. Sci., v.85(5), pp.660鈥?64.
  Sangode , S.J., Sinha , R., Phartiyal , B., Chauhan , O. S., Mazari , R.K., Bagati , T.N., Suresh , N., Mishra , S., Kumar , R. and Bhattacharjee , P. (2007) Environmental magnetic studies on some Quaternary sediments of varied depositional settings in the Indian sub-continent. Quat. Int., v.159, pp.102鈥?18.View Article
  Sangode , S.J., Meshram , D.C., Kulkarni , Y.R., Gudadhe , S.S., Malpe , D.B. and Herlekar , M.A. (2013) Neotectonic Response of the Godavari and Kaddam Rivers in Andhra Pradesh, India: Implications to Quaternary Reactivation of old fracture system. Jour. Geol. Soc. India, v.81, pp.459鈥?71.View Article
  Subramanian , V. (1987) Environmental geochemistry of Indian rivers. Jour. Geol. Soc. India, v.29, pp.205鈥?20.
  Tarling , D. and Hrouda , F. (Eds .) (1993) Magnetic anisotropy of rocks. Springer.
  Thompson , R. and Oldfield , F. (1986) Environmental Magnetism. Allen & Unwin, London, pp.20鈥?2.View Article
  Walden , J., Slattery , M.C. and Burt , T.P. (1997) Use of mineral magnetic measurements to fingerprint suspended sediment sources: approaches and techniques for data analysis. Jour. Hydro., v.202(1鈥?), pp.353鈥?72.View Article
  Walling , D.E., Woodward , C. and Nicholas , A.P. (1993) A multiparameter approach to fingerprinting suspended sediment sources. Tracers in Hydrology. Proceedings of the Yokohama Symposium, v.215, pp.329鈥?38.
  Yu , L. and Oldfield , F. (1989) A multivariate mixing model for identifying sediment source from magnetic measurements. Quat. Res., v.32, pp.168鈥?81.View Article
  Yu , L. and Oldfield , F. (1993) Quantitative sediment source ascription using magnetic measurements in a reservoircatchment system near Nijar, SE Spain. Ear. Surf. Proc. Land., v.18, pp.441鈥?54.View Article
  
• 作者单位：Y. R. Kulkarni (1)
  S. J. Sangode (1)
  J. Bloemendal (2)
  D. C. Meshram (1)
  N. Suresh (3)
  
  1. Department of Geology, Savitribai Phule Pune University, Pune, 411 007, India
  2. Department of Geography, University of Liverpool, Liverpool, L69 7ZT, UK
  3. Wadia Institute of Himalayan Geology, Dehradun, 248 001, India
  
• 刊物类别：Earth and Environmental Science
• 刊物主题：Geology
  Geosciences
  Geography
  Mineralogy
  
• 出版者：Springer India, co-published with Geological Society of India
• ISSN：0974-6889

文摘

Godavari Drainage Basin (GDB) represents the largest Peninsular source of sediment flux into the Bay of Bengal. Mineral magnetic measurements are carried out on the GDB sediments along with the surface sediment cores from the adjoining western Bay of Bengal to explore the relationship between the two. The sediments from Godavari river transact shows varied floodplain to bed load composition with the former dominated by unimodal soft ferrimagnetic, Deccan basalt source. Whereas, the bed load show polymodal composition of mixed nature dominated by silici-clastic sediments derived from the Precambrian granites and Proterozoic sequences. The surface sediment cores (~100-300 cm) from the Bengal fan region off the Godavari delta broadly display an increasing trend in ferrimagnetic mineralogy towards top. Based on mineral magnetism the ferri- and para-magnetic susceptibilities are assigned to the basaltic and siliciclastic sources, respectively which also represents the low and high rain fall zones. The increasing upwards trend of the ferrimagnetic minerals in the western Bay of Bengal sediments, therefore, can be related to the predominance of basaltic source over the siliciclastic/cratonic source from the GDB. These controls of magnetic susceptibility in the Bengal fan sediments are assigned to the fluctuation of the two sources as a result of differential weathering in response to monsoonal variability.