Geology, geography and global energy

Scientific and Technical Journal

New data about Kruglaya hill on an island Matua, Central Kuril Islands

2018. №4, pp. 92-99

Degterev A.V. - C.Sc. in Geology and Mineralogy, Senior Researcher, Institute of Marine Geology and Geophysics Far East Branch Russian Academy of Sciences, 1B Nauki st., Yuzhno-Sakhalinsk, Sakhalin Region, 693022, Russian Federation, d_a88@mail.ru

Rydin A.V. - C.Sc. in Geology and Mineralogy, Senior Researcher, Institute of Marine Geology and Geophysics Far East Branch Russian Academy of Sciences, 1B Nauki st., Yuzhno-Sakhalinsk, Sakhalin Region, 693022, Russian Federation

Chibisova M.V. - Researcher, Institute of Marine Geology and Geophysics Far East Branch Russian Academy of Sciences, 1B Nauki st., Yuzhno-Sakhalinsk, Sakhalin Region, 693022, Russian Federation

Guryanov V.B. - Researcher, Institute of Marine Geology and Geophysics Far East Branch Russian Academy of Sciences, 1B Nauki st., Yuzhno-Sakhalinsk, Sakhalin Region, 693022, Russian Federation

The report provides new about the Kruglaya Hill (Matua Island, Central Kuril Islands). On the basis of petrographic, petrochemical and geomorphological studies, it was shown that the Kruglaya Hill is a natural geological object - a lava-extrusive dome of andesitic composition, the formation of which occurred, presumably, in the upper Pleistocene.

Key words: гора Круглая, остров Матуа, почвенно-пирокластический чехол, лавово-экструзивный купол, Kruglaya Hill, Matua Island, soil and pyroclastic cover, lava-extrusive dome

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