Microbially induced wrinkle structures in Middle Devonian siliciclastics from the Prague Basin, Czech Republic
The occurrence of wrinkle structures in Middle Devonian deep-water siliciclastic sequences of the Prague Basin (Roblín Member, Srbsko Formation, Givetian) is reported and interpreted to be microbially induced. Current and/or gravitational forces are considered the simplest explanation of the origin...
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| Veröffentlicht in: | Lethaia 2019-04, Vol.52 (2), p.149-164 |
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| container_title | Lethaia |
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| creator | Vodrážková, Stanislava Vodrážka, Radek Munnecke, Axel Franců, Juraj Al-Bassam, Khaldoun Halodová, Patricie Tonarová, Petra |
| description | The occurrence of wrinkle structures in Middle Devonian deep-water siliciclastic sequences of the Prague Basin (Roblín Member, Srbsko Formation, Givetian) is reported and interpreted to be microbially induced. Current and/or gravitational forces are considered the simplest explanation of the origin of these structures. Taking into account the tectonic activity linked with ongoing Variscan orogeny, the wrinkle structures could also be interpreted as soft sediment deformation structures originating due to exposure of mat-bearing sediment to seismic shocks. The distribution of n-alkanes and isoprenoids suggests two types of prevailing biological sources, namely phytoplankton, representing organic material from the water column, and benthic bacteria. Judging from the sedimentary facies and lack of petrographic characteristics suggestive of light competition, the microbial mats are interpreted to be formed by non-autotrophic bacteria. |
| doi_str_mv | 10.1111/let.12280 |
| format | Article |
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Current and/or gravitational forces are considered the simplest explanation of the origin of these structures. Taking into account the tectonic activity linked with ongoing Variscan orogeny, the wrinkle structures could also be interpreted as soft sediment deformation structures originating due to exposure of mat-bearing sediment to seismic shocks. The distribution of n-alkanes and isoprenoids suggests two types of prevailing biological sources, namely phytoplankton, representing organic material from the water column, and benthic bacteria. 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Judging from the sedimentary facies and lack of petrographic characteristics suggestive of light competition, the microbial mats are interpreted to be formed by non-autotrophic bacteria.</description><subject>Alkanes</subject><subject>Bacteria</subject><subject>Benthos</subject><subject>Deep-water siliciclastics</subject><subject>Deformation</subject><subject>Devonian</subject><subject>Microbial mats</subject><subject>Orogeny</subject><subject>Phytoplankton</subject><subject>Prague Basin</subject><subject>Sediment</subject><subject>Sedimentary facies</subject><subject>Structures</subject><subject>Water column</subject><subject>wrinkle structures</subject><issn>0024-1164</issn><issn>1502-3931</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kV1LwzAUhoMoOD8u_AcBQRCsJmnStZc65wdsKH5chzQ90WiXzqSdzF9v5hS9UHMTSJ7zHs5zENqh5JDGc1RDe0gZy8kK6lFBWJIWKV1FPUIYTyjN-DraCOGJECIKTnvIja32TWlVXc-xdVWnocKv3rrnGnBofafbzkOIX3hsqyo-nsKscVY5HGxttdW1Cq3VARvfTHD7CPjaq4cO8IkK1h3gwRvoR3wD066M-BZaM6oOsP15b6L7s-Hd4CIZXZ1fDo5HieKsTxLd74uypEVZCmOM5lmW56C15tyAykVZAJi0T1lKMl5UpjTaVEWmmOJpJWgK6SbaXeZOffPSQWjlU9N5F1tKRguSL9TwSO0vqaggBA9GTr2dKD-XlMiFThl1yg-dkT1asq-2hvnfoBwN774q9pYVtuqc-zf69jcwBs0Es0wSEQfNGU2pfLNTuVjlYpOSEVpIwST70f079R18Ip4J</recordid><startdate>201904</startdate><enddate>201904</enddate><creator>Vodrážková, Stanislava</creator><creator>Vodrážka, Radek</creator><creator>Munnecke, Axel</creator><creator>Franců, Juraj</creator><creator>Al-Bassam, Khaldoun</creator><creator>Halodová, Patricie</creator><creator>Tonarová, Petra</creator><general>Wiley</general><general>Scandinavian University Press</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope><orcidid>https://orcid.org/0000-0003-2282-1478</orcidid></search><sort><creationdate>201904</creationdate><title>Microbially induced wrinkle structures in Middle Devonian siliciclastics from the Prague Basin, Czech Republic</title><author>Vodrážková, Stanislava ; Vodrážka, Radek ; Munnecke, Axel ; Franců, Juraj ; Al-Bassam, Khaldoun ; Halodová, Patricie ; Tonarová, Petra</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a4270-c775bb19bb5fffc46688eccc44fea85b9eef371230649dfbfcfd96a2a43d513e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Alkanes</topic><topic>Bacteria</topic><topic>Benthos</topic><topic>Deep-water siliciclastics</topic><topic>Deformation</topic><topic>Devonian</topic><topic>Microbial mats</topic><topic>Orogeny</topic><topic>Phytoplankton</topic><topic>Prague Basin</topic><topic>Sediment</topic><topic>Sedimentary facies</topic><topic>Structures</topic><topic>Water column</topic><topic>wrinkle structures</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Vodrážková, Stanislava</creatorcontrib><creatorcontrib>Vodrážka, Radek</creatorcontrib><creatorcontrib>Munnecke, Axel</creatorcontrib><creatorcontrib>Franců, Juraj</creatorcontrib><creatorcontrib>Al-Bassam, Khaldoun</creatorcontrib><creatorcontrib>Halodová, Patricie</creatorcontrib><creatorcontrib>Tonarová, Petra</creatorcontrib><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Lethaia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Vodrážková, Stanislava</au><au>Vodrážka, Radek</au><au>Munnecke, Axel</au><au>Franců, Juraj</au><au>Al-Bassam, Khaldoun</au><au>Halodová, Patricie</au><au>Tonarová, Petra</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microbially induced wrinkle structures in Middle Devonian siliciclastics from the Prague Basin, Czech Republic</atitle><jtitle>Lethaia</jtitle><date>2019-04</date><risdate>2019</risdate><volume>52</volume><issue>2</issue><spage>149</spage><epage>164</epage><pages>149-164</pages><issn>0024-1164</issn><eissn>1502-3931</eissn><abstract>The occurrence of wrinkle structures in Middle Devonian deep-water siliciclastic sequences of the Prague Basin (Roblín Member, Srbsko Formation, Givetian) is reported and interpreted to be microbially induced. 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| ispartof | Lethaia, 2019-04, Vol.52 (2), p.149-164 |
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| language | eng |
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| source | Alma/SFX Local Collection |
| subjects | Alkanes Bacteria Benthos Deep-water siliciclastics Deformation Devonian Microbial mats Orogeny Phytoplankton Prague Basin Sediment Sedimentary facies Structures Water column wrinkle structures |
| title | Microbially induced wrinkle structures in Middle Devonian siliciclastics from the Prague Basin, Czech Republic |
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