俄罗斯板块东南部下班诺夫卡（Bannovka）地段图伦纪-卡尼亚纪沉积的生物地磁地层学

IF 1 4区地球科学 Q3 GEOLOGY

Stratigraphy and Geological Correlation Pub Date : 2024-03-14 DOI:10.1134/s0869593824010052

E. M. Pervushov, I. P. Ryabov, A. Yu. Guzhikov, V. B. Seltser, E. A. Kalyakin, V. A. Fomin

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引用次数: 0

摘要

摘要介绍了班诺夫卡地层（伏尔加河地区，都龙纪）下班诺夫卡段都龙纪-卡尼亚纪沉积的岩石学、古生物学和生物地层学特征。此外，还补充和阐述了该沉积层的磁地层特征。岩磁数据有助于更精细地划分该地段的地层，并有助于揭示沉积节律。古地磁数据与底栖有孔虫数据相结合，对伏尔加河地区的图伦纪-卡尼亚纪沉积物进行了最详细的关联分析。对乌里扬诺夫斯克-萨拉托夫海槽东南拱内这一地层单元的综合研究结果表明，古布基诺地层的分布模式是由地区构造以及科尼亚纪和桑顿纪沉积之前的过程决定的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Bio-Magnetostratigraphy of the Turonian–Coniacian Deposits of the Lower Bannovka Section, South-East of the Russian Plate

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Bio-Magnetostratigraphy of the Turonian–Coniacian Deposits of the Lower Bannovka Section, South-East of the Russian Plate

Abstract

The lithological, paleontological and biostratigraphic characteristics of the Turonian–Coniacian deposits of the Lower Bannovka section, the stratotype of the Bannovka Formation (Volga region, Turonian) are presented. Magnetostratigraphic characteristics of thе sediments have been supplemented and elaborated. Petromagnetic data contribute to more refined stratigraphy of the section and facilitate the revealing of depositional rhythmicity. Paleomagnetic data combined with benthic foraminifera data enable the most detailed correlation of the Turonian–Coniacian deposits in the Volga region. Results of a comprehensive study of this stratigraphic unit within the southeastern arch of the Ulyanovsk-Saratov trough revealed patterns in the distribution of the Gubkino Horizon, determined by regional tectonics and processes preceding deposition in the Coniacian and Santonian.

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来源期刊

Stratigraphy and Geological Correlation 地学-地质学

CiteScore

1.80

自引率

30.00%

发文量

审稿时长

>12 weeks

期刊介绍： Stratigraphy and Geological Correlation is the only journal that provides comprehensive coverage of the fundamental and applied aspects of stratigraphy and the correlation of geologic events and processes in time and space. Articles are based on the results of multidisciplinary studies and are for researchers, university professors, students, and geologists interested in stratigraphy and the chronological features of the world’s geological record.