【作者】 张武； 郑少林； 常绍泉；

【Author】 Zhang Wu Zheng Skaolin (Shenyang Institute of Geology and Mineral Resources) Chang Shaoquan (Scientific Search Team,Geological Bureau of Liaoning)

【机构】 沈阳地质矿产研究所； 辽宁省地质局科研队；

【摘要】 <正>一、前言林家植物群产地位于辽宁省本溪市林家崴子一带(见插图1),系该省区测一队首次发现(1971)。含植物化石的林家组,在以前的地质文献中,曾被记载为上白垩统(小林贞一,1942),第三系?(王钰等,1954)或上二叠统(潘广等,1959,1963;李星学,1964,1974)。根据区域地层对比及植物化石性质,常绍泉等(1976)o最初认为,林家组可能相当于华北地区二马营群的下部层位,故将其时代暂归早三叠世晚期。但因当时所发现的植物更多还原

【Abstract】 The Triassic deposits in Benxi district are divided into two stratigraphic units:the Zhengjia Formation at the bottom and the Linjia Formaton at the top. The Zhengjia Formation is presented by terrestrial purplish red sandstones with crossbedding and with total thickness up to 900m.The Linjia Formation is presented by terrestrial yellow-green sandstones and conglomerates with black and red shales intercalated beds.Its total thickness up to 158m更多还原