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双阳盆地南缘,为一套火山——沉积含煤地层。解放前有人曾对这套地层进行过调查,但无结论。解放后,长春地质学院及煤田等单位对这套含煤地层进行过工作。但地层时代等方面尚存在一定问题。一九七八年吉林区调队六分队在该地进行区域地质调查。将这套地层定为小蜜蜂顶子组。时代拟为早侏罗世早期。一九八二年。彭玉鲸等将这套地层划归晚三迭世(?)。但似欠生物化石依据。去年十月,笔者及我队古生物室同志又赴该地进行野外工作。在八面石煤矿一带小蜜蜂顶子组上段中采得植物化石。经笔者鉴定主要有:Neocalamites hoerensis,Thinnfeldia?sp.Pterophyl
The southern edge of the Shuangyang basin is a set of volcanic-sedimentary coal-bearing formations. Before liberation, some people have conducted surveys on this formation, but no conclusion. After liberation, Changchun Institute of Geology and coal and other units on the coal-bearing strata had been working. However, there are still some problems in the stratum era. In 1978, Jilin Regulated Sixth Brigade conducted a regional geological survey there. Set this formation as the bee top group. Era as early Jurassic. 1982 Peng Yu-whale and other strata will be placed under the Triassic (?). But it seems less fossil basis. Last October, the author and my team of paleontology room comrades went to the field for field work. Fossil plants were collected from the upper part of the Bee Top Group in the area of the Famenite Mine. Identified by the author are: Neocalamites hoerensis, Thinnfeldia? Sp.Pterophyl