Академическое издательство «Гео»

Bely Island, sea level, Quaternary sediments, Holocene, Pleistocene, stratigraphy, vertical movements of the Earth’s crust



KRIOSFERA ZEMLI, 2018, Vol. XXII, № 2, p. 3-15

Perennially frozen deposits of Bely island: stratigraphy, age, depositional environments

A.V. Baranskaya1, F.A. Romanenko1, H.A. Arslanov2, F.E. Maksimov2, A.A. Starikova2, Z.V. Pushina3

1Lomonosov Moscow State University, Faculty of Geography, Laboratory of Geoecology of the North,
1, Leninskie Gory, Moscow, 119991, Russia; alisa.baranskaya@yandex.ru
2Saint-Petersburg State University, Institute of Earth Sciences, Laboratory
“Geomorphologic and Palaeogeographic Investigations of Polar regions and the World Ocean”,
7-9, Universitetskaya quay, St. Petersburg, 199034, Russia
3Gramberg VNIIOkeangeologia, 1, Angliyskiy pr., St. Petersburg, 190121, Russia

This paper is an overview of the study of perennially frozen deposits outcropping in the coastal cliffs of the western and eastern parts of Bely Island. The obtained results provide information about the composition, structure, stratigraphy, origin and age of Quaternary deposits. It has been established that the cross-section consists of three main units: the lower silts and clays formed during MIS 3 in the marine conditions; the middle sandy unit accumulated between 9 and 5 kA BP as a result of small-scale local relative sea level rise; the upper unit consisting of clays, loam, peat and aeolian sands of terrestrial origin formed in the Late Holocene.

Bely Island, sea level, Quaternary sediments, Holocene, Pleistocene, stratigraphy, vertical movements of the Earth’s crust

DOI: 10.21782/KZ1560-7496-2018-2(3-15)

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