摘要
在天山志留系、石炭系和东昆仑 西秦岭三叠系浊积岩系中遗迹化石发育 ,经研究计有 :Helminthopsishieroglyphica ,Neonereitesbiserialis,N .uniserialis,Palaeophycusisp .,P .serratus,P .striatus,P .tubularis,Paleodictyonimperfectum ,Phycodescircinnatum ,Phycosiphonincertum ,Planolitesannularis,P .bev erleyensis,P .montanus,Rhizocoralliumisp .,Scalaritubamissouriensis,Skolithosisp .,?Spirorhapheisp .,Sublorenziniaisp .Tambiaisp .,Taphrhelminthopsisauricularis,Teichichnusisp .,Thalassinoidesisp .。它们构成 4种遗迹化石组合 :Phycosiphon Palaeophycus组合、Neonereites Scalarituba组合、Paleodictyon组合和Phycodes Skolithos组合 ,分别代表局限缺氧深海盆地浊流沉积、半深海环境的中 上扇沉积、多岛洋环境的中 下扇沉积、半深海环境的中扇浊流沉积。
Twenty two ichnotaxa have been found in the Silurian and Carboniferous turbidites of the Tianshan orogenic belt and the Triassic turbidites of the East Kunlun West Qinling orogenic belt of northwestern China. They are Helminthopsis hieroglyphica, Neonereites biserialis, N. uniserialis, Palaeophycus isp. , P. serratus, P. striatus, P. tubularis, Paleodictyon imperfectum, Phycodes circinnatum, Phycosiphon incertum, Planolites annularis, P. beverleyensis, P. montanus, Rhizocorallium isp. , Scalarituba missouriensis, Skolithos isp., ? Spirorhaphe isp. , Sublorenzinia isp. , Tambia isp. , Taphrhelminthopsis auricularis, Teichichnus isp., and Thalassinoides isp. These trace fossils can be grouped into four ichno assemblages: Phycosiphon Palaeophycus ichno assemblage representing turbidity current deposits of a restricted anoxic deep sea basin, Neonereites Scalarituba ichno assemblage representing the upper middle turbidity fan deposits of a pelagic and hemipelagic environment., Paleodictyon ichno assemblage representing the middle lower turbidity fan deposits of an oceanic archipelago, and Phycodes Skolithos ichno assemblage showing middle turbidity fan environments.
出处
《古生物学报》
CAS
CSCD
北大核心
2001年第2期177-188,共12页
Acta Palaeontologica Sinica
基金
ThisresearchwasjointlysupportedbytheNationalNaturalScienceFoundationofChina (GrantNo :49472 0 86
40 0 72 0 41)
TheClimbingP
关键词
复理石相
遗迹化石
志留系
石炭系
三叠系
天山
昆仑-秦岭
造山带
Flysch trace fossils, Tianshan, Kunlun Qinling, Silurian, Carboniferous, Triassic, orogenic belt
