УСЛОВИЯ СЕДИМЕНТАЦИИ МИОЦЕНОВЫХ ОТЛОЖЕНИЙ БЕРЕЖНИЦКОЙ СВИТЫ (САМБОРСКИЙ ПОКРОВ, ПРЕДКАРПАТСКИЙ ПРОГИБ) НА ОСНОВАНИИ ИЗУЧЕНИЯ МЕЛКИХ ФОРАМИНИФЕР
Ratio analisis of planktonic and benthic foraminifers and their tacsonomy composition of morfological features demonstrates that in the Middle and at the beginning of Late Miocene sedimentation Sambir sub-basin, in which accumulated deposits of Berezhnytsa formation, generally corresponded depths of...
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| Date: | 2017 |
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| Main Author: | |
| Format: | Article |
| Language: | Ukrainian |
| Published: |
Institute of Geological Sciences, NAS of Ukraine
2017
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| Subjects: | |
| Online Access: | http://geojournal.igs-nas.org.ua/article/view/108246 |
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| Journal Title: | Geological journal |
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Geological journal| Summary: | Ratio analisis of planktonic and benthic foraminifers and their tacsonomy composition of morfological features demonstrates that in the Middle and at the beginning of Late Miocene sedimentation Sambir sub-basin, in which accumulated deposits of Berezhnytsa formation, generally corresponded depths of inner shelf. This sub-basin characterized by normal-salt or close to these conditions. Some characteristics indicate satisfactory aeration of cold-temperate bottom water. Decreasing of number planctonic foraminifer in the uppermost part of the formation could indicate about shallowing of the basin or strong terrigene pollution of surface water. |
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