ОCEANOGRAPHIC RECORD OF OCEANIC ANOXIC EVENTS OF THE CARPATHIAN-EAST EUROPEAN SEGMENT OF TETHYS
Ancient anoxic sedimentary basins with the development of anoxic sedimentogenesis of the Carpathian-East European segment of Tethys are considered. In sedimentary record of this vast territory several ancient oceanic anoxic events have been identified, which cover the stratigraphic range from Pre-Ca...
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| Дата: | 2012 |
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| Автори: | , , , , |
| Формат: | Стаття |
| Мова: | Українська |
| Опубліковано: |
Institute of Geological Sciences, NAS of Ukraine
2012
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| Теми: | |
| Онлайн доступ: | http://geojournal.igs-nas.org.ua/article/view/139083 |
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| Назва журналу: | Geological journal |
Репозитарії
Geological journal| Резюме: | Ancient anoxic sedimentary basins with the development of anoxic sedimentogenesis of the Carpathian-East European segment of Tethys are considered. In sedimentary record of this vast territory several ancient oceanic anoxic events have been identified, which cover the stratigraphic range from Pre-Cambrian to Cenozoic and are represented by the phases ОАЕV (Vendian), ОАЕ-1 (Barremian-Aptian), ОАЕ-2 (Turonian) and ОАЕ-4 (Oligocene-Ealy Miocene). For the first time the geological-paleooceanographic peculiarities of different-age phases of anoxic events are substantiated. Along with the global and regional geological-paleooceanographic reconstractions the geochemical processes resulting from the postsedimentary transformation of organic matter in sedimentogenesis-early diagenesis are described. The characteristics of the oil-generating potential of the main black shale sequences, formed as a result of the anoxic events is given. |
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