Cyclic Explosive Activity of the Iceland Plume in the Quaternary

D. V. Eroshenko and G. S. Kharin

Atlantic Department, Shirshov Institute of Oceanology (AO IO RAN), Russian Academy of Sciences, Kaliningrad, Russia

e-mail: eroshenko@atlas.baltnet.ru

Received February 21, 2012; in final form, January 29, 2013

Abstract—Data on the volcanic ash layers in 70 DSDP and ODP Sites and 100 cores obtained during cruises
of the R/V Akademik Kurchatov and Mikhail Lomonosov were used for compiling tephrostratigraphic scale and
schematic distribution maps of the pyroclastic material in the Quaternary sediments of the North Atlantic and
Norwegian–Greenland Basin. It is revealed that the distribution of pyroclastic material through this region is
characterized by cyclic and spatially irregular patterns. Based on their petrochemical and geochemical proper-
ties, these ashes are compared with the volcanics of Iceland and the Jan Mayen islands. The relations between
the extreme climatic and cyclic explosive events are discussed.

DOI: 10.1134/S0001437014010032

Pleiades Publishing home page | journal home page | top

If you have any problems with this server, contact webmaster.