Mineral Composition of Sediments from the Eastern Laptev Sea
Shelf and East Siberian Sea

N. A. Nikolaeva, A. N. Derkachev, and O. V. Dudarev

Pacific Oceanological Institute (POI FEB RAS), Far East Branch, Russian Academy of Sciences, Vladivostok, Russia

e-mail: nikolaeva@poi.dvo.ru

Received April 3, 2012; in final form June 7, 2012

Abstract—The mineral composition of the heavy fraction in surface sediments of the Laptev and East Siberian
seas has been analyzed. The multivariate statistics methods were used to define the main heavy mineral assem-
blages with outlining regional differences in their compositions and principal factors responsible for the forma-
tion of sediment mineral affinity in the study areas. It is shown that the distribution of the determined heavy
mineral assemblages is controlled by the geostructural positions of sedimentation basins.

DOI: 10.1134/S0001437013040073

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