阿尔及利亚东北部Tebessa盆地中新世中期的浅海遗迹化石及其古环境意义

IF 0.7 4区地球科学 Q4 PALEONTOLOGY

Revista Brasileira De Paleontologia Pub Date : 2022-02-22 DOI:10.4072/rbp.2021.4.03

A. Benkhedda, N. Defaflia, Amine Cherif, M. Naimi, E. Mazouz, Arturo Palma-Ramírez

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引用次数: 3

摘要

阿尔及利亚东北部以中新生代含化石矿床为特征。以前所有的研究都集中在该地区的无脊椎动物和脊椎动物身体化石上。在本文中，我们提供了来自Ouenza，Tebessa Wilaya（阿尔及利亚东北部）地区的首次考古研究。一个由八个ichnotaxa组成的ichnoassemblage，即参见Archaeonassa isp。，Arenicolites isp。，外交官。，蠕虫病。，管状古藻，Skolistocf。linearis，参见Taenidium isp。，和类Thalassinodes isp。，对Aïn Sidi Salah地区（Tebessa盆地）下Langhian（中新世中期）的报告进行了讨论。这些痕迹化石属于Skolithos和Cruziana近端遗迹相，表明沉积在浅海（沿岸）。大面积的类海生物表明，在中等到高能量的条件下，环境中氧气充足，偶尔会发生风暴事件。关键词：遗迹化石，古环境，浅海，中新世中期，特贝萨。

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Shallow marine trace-fossils from the Middle Miocene of the Tebessa Basin (NE Algeria) and their paleoenvironmental implications

The northeastern part of Algeria is characterized by Meso–Cenozoic fossiliferous deposits. All the previous studies have been focused on invertebrate and vertebrate body fossils from this region. In the present paper we provide the first ichnological study from the region of Ouenza, Tebessa Wilaya (northeastern Algeria). An ichnoassemblage composed of eight ichnotaxa, namely cf. Archaeonassa isp., Arenicolites isp., Diplocraterion isp., Helminthopsis isp., Palaeophycus tubularis, Skolithoscf. linearis, cf. Taenidium isp., and Thalassinoides isp., reported from the lower Langhian (Middle Miocene) of Aïn Sidi Salah locality (Tebessa Basin) is discussed. These trace-fossils belong to the Skolithos and proximal Cruziana ichnofacies indicating deposition within a shallow marine (littoral). The large size of Thalassinoides suggests well-oxygenated setting, under moderate- to high-energy conditions, with occasional storm events. Keywords: trace-fossils, paleoenvironments, shallow marine, Middle Miocene, Tebessa.

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来源期刊

Revista Brasileira De Paleontologia PALEONTOLOGY-

CiteScore

1.60

自引率

14.30%

发文量

审稿时长

>12 weeks

期刊介绍： It publishes original contributions on all aspects of Paleontology. Papers are written in English, Spanish, or Portuguese and are reviewed by international experts.