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M.A. Levitan[195]

, I.A. Roshchina[196], V.Yu. Rusakov[197], K.V. Syromyatnikov[198], R. Spielhagen[199]. Quaternary sedimentation history of Lomonosov Ridge (the Arctic Ocean)

Abstract

We proposed new schemes of litho– and chemostratigraphic dividing of sediment cores PS70/319 and PS70/358 from Lomonosov Ridge. Sediments from the ridge slope are characterized by washing-out of clay fraction. Two sediment formations have been revealed: Lomonosov (includes sediments of MIS 6 – MIS 1) and Polar (from the bottom of Quaternary sequence up to MIS 7). Sediments of warm periods are enriched in clayey matter, and sediments of cold periods – in IRD. Source provinces have been located within folded belts of north-eastern Eurasia.