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Article Navigation >  Acta Sedimentologica Sinica  > 2015  >  33(2): 211-225

NIU YongBin, SHAN TingTing, DONG XiaoBo, ZHOU Shuo, GAO WenXiu. Trace Fossils and Their Sedimentary Environment of Ordovician Majiagou Formation in the North-west of Henan Province[J]. Acta Sedimentologica Sinica, 2015, 33(2): 211-225. doi: 10.14027/j.cnki.cjxb.2015.02.001
Citation: NIU YongBin, SHAN TingTing, DONG XiaoBo, ZHOU Shuo, GAO WenXiu. Trace Fossils and Their Sedimentary Environment of Ordovician Majiagou Formation in the North-west of Henan Province[J]. Acta Sedimentologica Sinica, 2015, 33(2): 211-225. doi: 10.14027/j.cnki.cjxb.2015.02.001
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Trace Fossils and Their Sedimentary Environment of Ordovician Majiagou Formation in the North-west of Henan Province

doi: 10.14027/j.cnki.cjxb.2015.02.001
  • 1.

    School of Resources and Environment Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000;

  • 2.

    Key Laboratory of Biogenic Traces & Sedimentary Minerals of Henan Province, Jiaozuo, Henan 454000;

  • 3.

    Modern Educational Technology Center, Henan Polytechnic University, Jiaozuo, Henan 454000

  • Received Date: 2014-02-15
  • Rev Recd Date: 2014-04-25
  • Publish Date: 2015-04-10
  • Trace fossils from Ordovician Majiagou Formation consist of at least 10 ichnogenera and 17 ichnospecies, namely, (1)Domichnia: Psilonichnus upsilon, Thalassinoides callianassa, Thalassinoides horizontalis, Rhizocorallium jenense.(2)Foidichnia: Chondrites type-1, Chondrites type-2, Chondrites intricatus, Palaeophycus tubularis, Palaeophycus heberti, Planolites montanus, Planolites annularius, Phycodes palmatus.(3)Pascichnia: Helminthopsis ichnosp., Helminthopsis abeli, Helminthopsis hieroglyphica, Gordia molassica, Scolicia ichnosp. According to their palaeoecological and sedimentological features, these trace fossils can be divided into 3 ichnoassemblags, ie,①Psilonichnus-Thalassinoides ichnoassemblage, forming in tidal sedimentary environment of Restricted carbonate platform, mainly composed of Psilonichnus ,Thalassinoides, Helminthopsis. ②Helminthopsis-Gordia ichnoassemblage, which is associated with lagoon sedimentary environment of restricted carbonate platform, interbank sea or depression of open carbonate rock platform, mainly composed of Helminthopsis, Gordia, planolites, Palaeophycus, Thalassinoides. ③Chondrites-Scolica ichnoassemblage, which indicates the depression of open carbonate rock platform near the REDOX interface. Finally, depositional model of the Ordovician Majiagou Group and the vertical sedimentary evolution sequence was established based on integrated rock types, rock sequence, sedimentary structure, fossils with trace fossils or ichnoassemblage.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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  • Received:  2014-02-15
  • Revised:  2014-04-25
  • Published:  2015-04-10

Trace Fossils and Their Sedimentary Environment of Ordovician Majiagou Formation in the North-west of Henan Province

doi: 10.14027/j.cnki.cjxb.2015.02.001
  • 1. School of Resources and Environment Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000;
  • 2. Key Laboratory of Biogenic Traces & Sedimentary Minerals of Henan Province, Jiaozuo, Henan 454000;
  • 3. Modern Educational Technology Center, Henan Polytechnic University, Jiaozuo, Henan 454000
  • Received Date: 2014-02-15
  • Rev Recd Date: 2014-04-25
  • Publish Date: 2015-04-10

Abstract: Trace fossils from Ordovician Majiagou Formation consist of at least 10 ichnogenera and 17 ichnospecies, namely, (1)Domichnia: Psilonichnus upsilon, Thalassinoides callianassa, Thalassinoides horizontalis, Rhizocorallium jenense.(2)Foidichnia: Chondrites type-1, Chondrites type-2, Chondrites intricatus, Palaeophycus tubularis, Palaeophycus heberti, Planolites montanus, Planolites annularius, Phycodes palmatus.(3)Pascichnia: Helminthopsis ichnosp., Helminthopsis abeli, Helminthopsis hieroglyphica, Gordia molassica, Scolicia ichnosp. According to their palaeoecological and sedimentological features, these trace fossils can be divided into 3 ichnoassemblags, ie,①Psilonichnus-Thalassinoides ichnoassemblage, forming in tidal sedimentary environment of Restricted carbonate platform, mainly composed of Psilonichnus ,Thalassinoides, Helminthopsis. ②Helminthopsis-Gordia ichnoassemblage, which is associated with lagoon sedimentary environment of restricted carbonate platform, interbank sea or depression of open carbonate rock platform, mainly composed of Helminthopsis, Gordia, planolites, Palaeophycus, Thalassinoides. ③Chondrites-Scolica ichnoassemblage, which indicates the depression of open carbonate rock platform near the REDOX interface. Finally, depositional model of the Ordovician Majiagou Group and the vertical sedimentary evolution sequence was established based on integrated rock types, rock sequence, sedimentary structure, fossils with trace fossils or ichnoassemblage.

NIU YongBin, SHAN TingTing, DONG XiaoBo, ZHOU Shuo, GAO WenXiu. Trace Fossils and Their Sedimentary Environment of Ordovician Majiagou Formation in the North-west of Henan Province[J]. Acta Sedimentologica Sinica, 2015, 33(2): 211-225. doi: 10.14027/j.cnki.cjxb.2015.02.001
Citation: NIU YongBin, SHAN TingTing, DONG XiaoBo, ZHOU Shuo, GAO WenXiu. Trace Fossils and Their Sedimentary Environment of Ordovician Majiagou Formation in the North-west of Henan Province[J]. Acta Sedimentologica Sinica, 2015, 33(2): 211-225. doi: 10.14027/j.cnki.cjxb.2015.02.001
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