北格陵兰岛（劳伦西亚）中寒武纪（Miaolingian）Chancelloria 和 Nisusia 的 Euendolith 钻探。

IF 1.2 4区地球科学 Q2 Earth and Planetary Sciences

Bulletin of the Geological Society of Denmark Pub Date : 2024-03-24 DOI:10.37570/bgsd-2024-73-03

John S. Peel

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引用次数: 0

摘要

该研究描述了北格陵兰（劳伦西亚）帕里陆的亨森-格莱彻地层（中寒武统，庙岭系，武留安期）中的微小生物（穴石）。在弱醋酸中溶解骨架碳酸钙后，部分磷化的钱氏硬壳虫和腕足类动物 Nisusia 的瓣膜显示出丰富的钻孔铸件。在与中国四川漩涡坪地层的下寒武统集合相类似的集合中，被称为 Scolecia 的线虫占主导地位，它们与茧形虫（Planobola）和枝形虫（Fascichnus）一起出现。

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Euendolith borings in Chancelloria and Nisusia from the middle Cambrian (Miaolingian) of North Greenland (Laurentia).

Borings of microscopic organisms (euendoliths) are described from the Henson Gletscher Formation (middle Cambrian, Miaolingian Series, Wuliuan Stage) of Peary Land, North Greenland (Laurentia). Partially phosphatised sclerites of Chancelloria and valves of the brachiopod Nisusia reveal abundant casts of borings following dissolution of skeletal calcium carbonate in weak acetic acid. Threads referred to Scolecia dominate, occurring together with coccoids (Planobola) and the branching Fascichnus, in a suite comparable to a lower Cambrian assemblage from the Maidiping Formation of Sichuan, China.

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来源期刊

Bulletin of the Geological Society of Denmark GEOSCIENCES, MULTIDISCIPLINARY-

CiteScore

2.80

自引率

16.70%

发文量

审稿时长

>12 weeks

期刊介绍： The Bulletin publishes contributions of international interest in all fields of geological sciences on results of new work on material from Denmark, the Faroes and Greenland. Contributions based on other material may also be submitted to the Bulletin if the subject is of relevance for the geology of the area of primary interest.