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2013•Collection of Scientific Works of the Institute of Geological Sciences of the NAS of UkraineOpen access

CALCAREOUS NANNOPLANKTON OF APTIAN OF MOUNTINE CRIMEA

A.V. Matveyev

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Abstract

It’s the fi rst time, when the data on the stratigraphic distribution of calcareous nanoplankton of the Aptian deposits are published for the Crimean Mountains. The possibility of allocating two nannoplankton zones: Chiastozygus litterarius (lower Aptian) and Rhagodiscus angustus (middle-upper Aptian) is showed. Aptian and Albian boundary is set by the appearance of Prediscosphaera cretacea.

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What this paper is about

It’s the fi rst time, when the data on the stratigraphic distribution of calcareous nanoplankton of the Aptian deposits are published for the Crimean Mountains. The possibility of allocating two nannoplankton zones: Chiastozygus litterarius (lower Aptian) and Rhagodiscus angustus (middle-upper Aptian) is showed. Aptian and Albian boundary is set by the appearance of Prediscosphaera cretacea.

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Available abstract

It’s the fi rst time, when the data on the stratigraphic distribution of calcareous nanoplankton of the Aptian deposits are published for the Crimean Mountains. The possibility of allocating two nannoplankton zones: Chiastozygus litterarius (lower Aptian) and Rhagodiscus angustus (middle-upper Aptian) is showed. Aptian and Albian boundary is set by the appearance of Prediscosphaera cretacea.

Key concepts: Aptian, Paleontology, Calcareous, Geology, Cretaceous

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