蒙自三角坡三叠系下统洗马塘组地层及沉积特征

摘要

通过对蒙自市三角坡三叠系下统洗马塘组剖面的测制和分析，认为其为一套潮坪环境沉积的细碎屑岩，其时代属于早三叠世印度期。%The paper studied the measured section at sanjiaopo village,Mengzi,discussed the lithostratigraphic characteristics of Ximatang Formation.The Ximatang Formation is made up of fine clastic,and it shouid be tidal flat facies.The Ximatang Forma-tion should belong to Induan ,the early Triassic.