Both subaerial and subaqueous volcanic rocks can be found in Yingcheng Formation of Songliao Basin.
松辽盆地营城组陆上、水下喷发火山岩均有发育。
A set of conglomerates of alluvial fan occurred in the second member of Yingcheng Formation of Liutai, southeast margin of Songliao Basin.
松辽盆地东南缘六台地区营城组二段发育一套冲积扇砾岩层。
Rhyolite with columnar joints has been found in the lower Cretaceous Yingcheng Formation, in an uplift area of the southeastern Songliao Basin.
松辽盆地东南隆起区下白垩统营城组出露柱状节理流纹岩。
It was considered that the joint formation and distribution of Yingcheng formation were mainly related with the first two compressional tectonic stress fields.
营城组中的节理形成与分布主要与前两期挤压应力场有关。
It is known that the volcanic rocks of the Yingcheng Formation were altered into bentonite in the Songliao Basin, and the major bentonite deposits in the area are located in Jiutai City.
松辽盆地营城组火山岩蚀变转化为膨润土或发生膨润土化现象较普遍，出露较大型的膨润土矿主要在九台银矿山一带。
It is known that the volcanic rocks of the Yingcheng Formation were altered into bentonite in the Songliao Basin, and the major bentonite deposits in the area are located in Jiutai City.
松辽盆地营城组火山岩蚀变转化为膨润土或发生膨润土化现象较普遍，出露较大型的膨润土矿主要在九台银矿山一带。
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