摘要准噶尔盆地西北缘石炭纪地层主要由碎屑岩组成,沉积厚度5000—7000m,在下石炭统和中石炭统中首次发现了包括浊流在内的重力流沉积和平流岩,大量的深水相遗迹化石。说明盆地西北缘是深水沉积,而非前人普遍认为的属浅水沉积环境。In the area of 'er Basin河底石床是弱风化石吗河底石床是弱风化石吗, the are of rocks. These rocks were as sea . The on the lower and and that these rocks to . In , the flow and also It is the first time to trace in these . the trace in sand- of upper Lower- are: sp., sp., sp, and sp.. The trace in of are: sp., sp., sp., sp., sp., Para- sp., sp., and sp. All these can be into . By of the with (1967), (?) above in semi- to deep-sea . to above , we think that the of the of the basin in to deep-sea area other than sea area.