南极洲沙克尔顿山脉科茨地韦格纳山寒武纪斜坡海洋沉积物中含有钙微生物和古菌的碎屑

IF 0.8 4区地球科学 Q3 GEOLOGY

Estudios Geologicos-Madrid Pub Date : 2019-12-10 DOI:10.3989/egeol.43586.567

M. Rodríguez-Martínez, A. Perejón, E. Moreno-Eiris, S. Menéndez, W. Buggisch

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引用次数: 0

摘要

韦格纳山组碳酸盐岩碎屑为南极科茨陆区一个隐藏/未知的寒武系碳酸盐岩浅水记录的破坏和再沉积提供了沉积学、成岩学和古生物学证据。这种不完整的嵌合可以在南极大陆横贯南极山脉、埃尔斯沃斯-惠特莫尔地块和南极半岛寒武纪记录的比较和生物地层对比中发挥关键作用。此外，它还代表了未来基于古草岩组合重建南冈瓦纳古生物地理的关键记录。

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Clastos con calcimicrobios y arqueociatos procedentes de depósitos marinos del talud de la Formación cámbrica del Monte Wegener, Coats Land, Cordillera de Shackleton Antártida

The carbonate clasts from the Mount Wegener Formation provide sedimentological, diagenetic and palaeontological evidences of the destruction and resedimentation of a hidden/unknown Cambrian carbonate shallow-water record at the Coats Land region of Antarctica. This incomplete mosaic could play a key role in comparisons and biostratigraphic correlations between the Cambrian record of the Transantarctic Mountains, Ellsworth-Whitmore block and Antarctic Peninsula at the Antarctica continent. Moreover, it represents a key record in future palaeobiogeographic reconstructions of South Gondwana based on archaeocyathan assemblages.

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来源期刊

Estudios Geologicos-Madrid GEOLOGY-

CiteScore

1.40

自引率

14.30%

发文量

审稿时长

>12 weeks

期刊介绍： Since 1945 Estudios Geologicos publishes original research works, as well as reviews, about any topic on Earth Sciences. Estudios Geologicos is published as one yearly volume, divided into two half-yearly issues. It is edited by the Spanish National Research Council (Consejo Superior de Investigaciones Científicas, CSIC) at the Instituto de Geociencias (CSIC-UCM). Estudios Geologicos provides free access to full-text articles through this electronic edition. Accepted articles appear online as "Forthcoming articles" as soon as the galley proofs have been approved by the authors and the Editor-in-Chief. No changes can be made after online publication.