STRATIFICATION OF CRETACEOUS DEPOSITS OF THE SECTION ¹ 29 – ZAKHIDNOÎKTYABRSKA (KARKINITSKO-NORTH CRIMEAN TROUGH) BY PALYNOLOGICAL DATA

IF 0.2 Q4 GEOLOGY Visnyk of Taras Shevchenko National University of Kyiv-Geology Pub Date : 2021-01-01 DOI:10.17721/1728-2713.94.03

O. Shevchuk, D. Pustovoitova

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引用次数: 2

Abstract

The Karkinitsko-North Crimean trough is a promising region of Ukraine for the search for hydrocarbons, and one of the main oil and gas complexes is the Cretaceous.Therefore, a detailed biostratigraphic subdivision of the Cretaceous sediments is important and necessary, which are the basis for further prospecting work and for the correlation of North Crimean trough with the similar age deposits of the adjacent regions. The Neocomian strata are especially problematic for subdivision and correlation. According to the results of the study of microphytofossils, the stratification of Cretaceous deposits of the Karkinitsko-North Crimean trough was carried out on the example of the supporting well ¹ 29 – Zakhidnoîktyabrska. There are four spore-pollen complexes: Barremian, Aptian, Albian and Cenomanian. For the first time, the Cretaceous deposits were dissected according to the systematic composition of dinocysts, as well as the paleontological characteristics of sediments by other groups of microfossils – spores and pollen of higher plants, remnants of green algae, acritarchsand miñroforaminifers.

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用孢粉资料对¹29 - zakhidnoÎktyabrska剖面(karkinitsko-north Crimean槽)白垩纪沉积物进行分层

卡尔金尼茨科-北克里米亚海槽是乌克兰寻找碳氢化合物的一个有希望的地区，白垩纪是主要的石油和天然气综合体之一。因此，对白垩纪沉积物进行详细的生物地层划分是重要而必要的，这是进一步找矿工作的基础，也是北克里米亚海槽与邻近地区类似年龄沉积物对比的基础。新第三纪地层的划分和对比尤其困难。根据微植物化石研究结果，以¹29 - zakhidnoktyabrska支撑井为例，对Karkinitsko-North Crimean海槽白垩系沉积物进行了分层。有四种孢子-花粉复合体:巴雷米亚、阿普提亚、阿尔比亚和塞诺曼尼亚。首次根据恐龙囊的系统组成以及沉积物的古生物学特征，通过其他微化石群——高等植物的孢子和花粉、绿藻的残余物、树突状生物和miñroforaminifers对白垩纪沉积物进行了解剖。

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Visnyk of Taras Shevchenko National University of Kyiv-Geology GEOLOGY-

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