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Granulometric analysis of glacial sediments, Schirmacher Oasis, East Antarctica

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Journal of the Geological Society of India

Abstract

Granulometric analysis of nineteen sediment samples has been carried out for their statistical and textural parameters. The samples are collected from the northern and southern margins of Schirmacher Oasis extending below the polar ice sheet and grading to coastal area respectively and main rocky land of Schirmacher including lakes. The analysis shows that most of the sediments are of medium grain size and fall in poor to very poor sorted category.

An attempt has been made to interpret the depositional set-up by plotting the scatter patterns between various textural parameters, including C-M plot and arithmetic log-probability curves. The influence of physical parameters viz. low to high velocity winds, ice and meltwater on sediment characteristics has been discussed.

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Correspondence to Ashok K. Srivastava.

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Srivastava, A.K., Khare, N. Granulometric analysis of glacial sediments, Schirmacher Oasis, East Antarctica. J Geol Soc India 73, 609–620 (2009). https://doi.org/10.1007/s12594-009-0047-3

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