俄罗斯东北部(埃里克河盆地)奥陶系与西伯利亚地台介形类及其区域对比

IF 1.2 4区地球科学 Q3 GEOSCIENCES, MULTIDISCIPLINARY

Russian Geology and Geophysics Pub Date : 2023-11-01 DOI:10.2113/rgg20234599

T.V. Gonta, A.V. Kanygin, R.F. Sobolevskaya

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引用次数: 1

摘要

Eriekhe盆地的中奥陶统剖面对俄东北地区的区域地层单元与总体地层尺度(笔石)的对比具有重要意义，在该剖面上发现了多种介形虫组合。新资料对该地区中奥陶世古生物学进行了大量补充。通过对这些组合的地层分布分析，验证了Eriekhe构造相带(SFZ)套与俄罗斯东北部区域地层单元的相关性，以及基于同型介形类组合与西伯利亚地台层位的相关性。研究剖面中介形类和笔石的共同发现使我们能够将俄罗斯东北部和西伯利亚地台的层位与一般地层尺度的阶段联系起来。

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Ostracods and Interregional Correlation between the Ordovician Sections of Northeast Russia (Eriekhe River Basin) and the Siberian Platform

Abstract —In the Middle Ordovician sections of the Eriekhe River basin, which are of crucial importance to correlate the regional stratigraphic units of Northeast Russia and the General Stratigraphic Scale (by graptolites), we identified a diverse ostracod assemblage. The new data substantially supplement the Middle Ordovician paleontology of this region. The analysis of the stratigraphic distribution of these assemblages made it possible to verify the correlation of the Eriekhe Structural Facies Zone (SFZ) suites with regional stratigraphic units of the Northeast Russia and, based on homotypic ostracod assemblages, with the horizons of the Siberian Platform. The joint findings of ostracods and graptolites in the studied section allowed us to correlate the horizons of the Northeast Russia and the Siberian platform with the stages of the General Stratigraphic Scale.

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来源期刊

Russian Geology and Geophysics 地学-地球科学综合

CiteScore

2.00

自引率

18.20%

发文量

审稿时长

4-8 weeks

期刊介绍： The journal publishes original reports of theoretical and methodological nature in the fields of geology, geophysics, and geochemistry, which contain data on composition and structure of the Earth''s crust and mantle, describes processes of formation and general regularities of commercial mineral occurrences, investigations on development and application of geological-geophysical methods for their revealing. As to works of regional nature, accelerated publication are available for original papers on a variety of problems of comparative geology taking into account specific character of Siberia, adjacent Asian countries and water areas. The journal will also publish reviews, critical articles, chronicle of the most important scientific events, and advertisements.