葡萄牙晚第三纪岩石古海岸的生物侵蚀证据:环境和地层意义

IF 1.2 4区地球科学 Q2 Earth and Planetary Sciences Bulletin of the Geological Society of Denmark Pub Date : 1999-01-30 DOI:10.37570/bgsd-1998-45-19

C. Silva, M. Cachäo, J. Martinell, R. Domènech

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引用次数: 10

摘要

在生物侵蚀痕迹化石的帮助下，葡萄牙新近纪岩石海岸的出现得到了确认。一般存在鱼属胃chaenolites, Entobia, Caulostrepsis, Maeandropolydora和锥虫。强调了生物侵蚀面对于现场识别地层记录中的波浪切割平台、硬基底海洋泛水面(海侵面)和主要中断面(断裂带)的重要性。

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Bioerosional evidence of rocky palaeoshores in the N eogene of Portugal: environmental and stratigraphical significance

Occurrences of Neogene rocky shores in Portugal have been identified by help of bioerosion trace fossils. Ichnogenera Gastrochaenolites, Entobia, Caulostrepsis, Maeandropolydora and Trypanites are generally present. The importance of bioeroded surfaces for field recognition of wave-cut platforms, hard substrate marine-flooding surfaces (transgressive surfaces), and of major interruptions (hiatuses) in the stratigraphic record is stressed.

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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.