, Volume 19, Issue 1, pp 87-101
Date: 19 Feb 2011

Silicoflagellates of the middle-early Late Eocene of the Kronotskii Bay (Eastern Kamchatka)

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The most complete characterization of Dictyochophyceae (silicoflagellate) assemblages from sediments of the Kronotskii Bay, Eastern Kamchatka, which are typical of the Corbisema hexacantha (Middle Eocene) and Naviculopsis foliacea (terminal middle-initial Late Eocene) zones in the tropical/subtropical zonation by Bukry (1981), is considered for the first time. In total, 43 silicoflagellate species of 8 genera are identified. The prevalence of species of the genera Corbisema and Dictyocha in the assemblages suggest warm, close to subtropical conditions in a sea basin that existed in the Eastern Kamchatka region during the Middle-Late Eocene.

Original Russian Text © I. B. Tsoy, 2011, published in Stratigrafiya. Geologicheskaya Korrelyatsiya, 2011, Vol. 19, No. 1, pp. 88–101.