globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2017.07.033
论文题名:
An endemic ichnoassemblage from a late Miocene paleolake in SE Iceland
作者: Pokorný R.; Krmíček L.; Sudo M.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2017
语种: 英语
英文关键词: Mermia ichnofacies ; Thorichnus-Vatnaspor ichnoassemblage ; Turbidite
英文摘要: In (Thorn)órisdalur valley, a small relict of a sedimentary body was identified in southeastern Iceland. It probably represents a remnant of the deep, tectonically arranged paleolake (Late Miocene, 8-9. Ma), and filled by volcaniclastic material from nearby, active volcanic centers. In the profile of tuffitic sandstone, siltstone and claystone, the ripple-bedding layers, molds and flute casts indicate periodic mass flow episodes. In the sedimentary profile, the characteristic arrangement of sediments is evident, showing features of the Bouma sequences. In the claystone layers, deposited during episodes of lowest kinetic energy, a specific ichnoassemblage was found, represented by Thorichnus ramosus igen. et isp. nov., T. corniculatus igen. et isp. nov., Mammillichnis jakubi isp. nov., Helminthoidichnites multilaqueatus comb. nov., Vatnaspor jachymi igen. et isp. nov. and five preliminarily identified trace fossils. The assemblage belongs to Mermia ichnofacies, the nonmarine representative of an ichnofacies, developed in a turbiditic environment; most of identified trace fossils are so far endemic. © 2017.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/68134
Appears in Collections:过去全球变化的重建

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作者单位: Jan Evangelista Purkyně University, Faculty of Environment, Králova Výšina 3132/7, 40096 Ústí nad Labem, Czech Republic; Masaryk University, Faculty of Science, Department of Geological Sciences, Kotlářská 2, 611 37 Brno, Czech Republic; Brno University of Technology, Faculty of Civil Engineering, AdMaS Centre, Veveří 95, 602 00 Brno, Czech Republic; Institute of Geology, v.v.i., The Czech Academy of Sciences, Rozvojová 269, 165 02 Prague 6, Czech Republic; University of Potsdam, Institute of Earth and Environmental Science, Karl-Liebknecht-Str. 24-25, 14476 Potsdam, Golm, Germany

Recommended Citation:
Pokorný R.,Krmíček L.,Sudo M.. An endemic ichnoassemblage from a late Miocene paleolake in SE Iceland[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2017-01-01
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