Biotic Events in Globotruncanid (Late Cretaceous Planktonic Foraminifers) Evolution as an Instrument for More Detailed Stratigraphic Constructions.Moscow University Geology Bulletinстатья
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Дата последнего поиска статьи во внешних источниках: 28 мая 2015 г.
Аннотация:This paper discusses changes in the qualitative and quantitative structures of planktonic foraminifer assemblages (Globotruncanids group) using examples of the Albian–Cenomanian and Cenomanian–Turonian boundaries and their shell morphologies. These data allowed subdividing stratigraphic sections in more detail. The revealed connection between biological events, chemostratigraphy, and geochronology substantially increased the correlation potential in stratigraphic constructions.
Key words: Late Cretaceous, planktonic foraminifers, morphologic changes, zonal schemes.