The Cenozoic Stratigraphy of West Kamchatka and the Development Stages of Foraminiferal Paleocommunities
| Autor: | T. V. Dmitrieva, N. A. Fregatova, S. I. Bordunov |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
biology
020209 energy 02 engineering and technology 010502 geochemistry & geophysics biology.organism_classification 01 natural sciences Qualitative composition Foraminifera Paleontology Stratigraphy Stage (stratigraphy) Section (archaeology) Microfauna 0202 electrical engineering electronic engineering information engineering General Earth and Planetary Sciences Bay Cenozoic Geology 0105 earth and related environmental sciences |
| Zdroj: | Moscow University Geology Bulletin. 75:560-567 |
| ISSN: | 1934-8436 0145-8752 |
| DOI: | 10.3103/s0145875220060034 |
| Popis: | The study of the foraminiferal communities from the Paleogene–Neogene reference section at Kvachina Bay in West Kamchatka has made it possible, based on the qualitative composition and the quantitative ratios of the encountered species, to identify 13 layers with foraminifera corresponding to certain intervals of the section and to establish their successive change. The foraminiferal layers are combined into four complex zones. In terms of the distribution scale, the identified zones are regional and are traced in the adjacent regions. The change in the paleocommunities corresponds to the process of evolutionary development of foraminifera, as well as to a change in paleoenvironments. The changes recorded in the composition and the structure of zonal communities are reflected in the stage character of microfauna development. |
| Databáze: | OpenAIRE |
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