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首页> 外文期刊>Stratigraphy >Frasnian (Late Devonian) foraminiferal biostratigraphy from Taurides, southern Turkey
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Frasnian (Late Devonian) foraminiferal biostratigraphy from Taurides, southern Turkey

机译：土耳其南部陶里德斯的弗拉斯尼亚（泥盆纪晚期）有孔虫生物地层

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摘要

The stratigraphic sections Halevikdere, Kocadere and Eceli covering the Devonian succession in the Eastern and Central Taurides have been measured and studied for biostratigraphy, geochemistry, sedimentology and facies in the context of the project "Devonian Ecosystems and Climate of Turkey (DEVEC-TR)". The Devonian sedimentary succession consists of carbonates and siliciclastic sediments mostly deposited in shallow marine environments. The samples taken from the carbonate beds throughout the sections reveal abundant and diverse assemblages of the foraminifera. This paper, however, includes the foraminifers described only from the Frasnian (Late Devonian) depositional sequence in the studied sections. The Frasnian foraminiferal microfauna in the Taurides can be character-ized predominantly by a common occurrence of nanicellids, paratikhinellids and tikhinellids which are biostratigraphically significant elements of the Frasnian strata in the Russian Platform and Urals. The foraminiferal assemblages from the Frasnian deposits in the mea-sured sections consist of 15 genera and 12 species. The distribution of the foraminifers described herein allowed the recognition of three biostratigraphic zones characterized successively by Nanicella ovata Zone, Paratikhinella cannula Zone and Tikhinella fringa Zone.
机译：在“德文尼亚生态系统和土耳其气候（DEVEC-TR）”项目的背景下，对哈勒维克代尔，科卡德雷和埃塞利的地层剖面进行了测量，并研究了东塔里德中部的泥盆纪演替。 。泥盆纪沉积演替由碳酸盐和硅质碎屑沉积物组成，这些沉积物大部分沉积在浅海环境中。从整个剖面的碳酸盐层中采集的样品揭示了有孔虫的丰富多样的组合。但是，本文仅包括在研究区域中仅根据弗拉斯尼（晚泥盆世）沉积序列描述的有孔虫。陶里德地区的弗拉斯尼亚有孔虫微动物区系的特征主要是常见的纳吉利德，伞形纲和提克纳德利德，它们是俄罗斯地台和乌拉尔地区弗拉斯尼地层的生物地层学重要元素。在测量区的弗拉斯尼亚沉积物中的有孔虫组合由15属和12种组成。本文所述的有孔虫的分布允许识别三个生物地层带，这些生物地带带依次由卵形纳尼切拉菌区，Paratikhinella插管区和Tikhinella fringa区表征。

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