中乌拉有机壁微化石组合:西伯利亚帕托姆盆地下温甸

IF 1 4区地球科学 Q3 GEOLOGY

Stratigraphy and Geological Correlation Pub Date : 2023-09-25 DOI:10.1134/s086959382305009x

N. G. Vorob’eva, P. Yu. Petrov

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引用次数: 1

摘要

摘要/ Abstract摘要:在Patom盆地Dal 'nyaya Taiga群Ura组中，发现了一组新的早旺世(中埃迪卡拉世)微化石，包括非该时代沉积特征的棘形树状体和各种丝状体遗迹，以及Valeria的球形条纹囊泡。文章报道棘形植物Hocosphaeridium crispum sp. nov.一新种。埃迪卡拉纪的真核浮游植物锥虫被证明选择性地局限于内斜坡的公海近端相。

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Middle Ura Association of Organic-Walled Microfossils: the Lower Vendian of the Patom Basin, Siberia

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Middle Ura Association of Organic-Walled Microfossils: the Lower Vendian of the Patom Basin, Siberia

Abstract A new assemblage of Early Vendian (Middle Ediacaran) microfossils, including acanthomorphic acritarchs and various filamentous remains, as well as sphaeromorphic striated vesicles of Valeria , which are not characteristic of deposits of this age, is described from the Ura Formation of the Dal’nyaya Taiga Group of the Patom Basin. A new species of acanthomorphs Hocosphaeridium crispum sp. nov. is recognised. The Ediacaran eukaryotic phytoplankton taphocoenoses are shown to be selectively restricted to the open-sea proximal facies of the inner ramp.

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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.