The early and middle Yanshanian tectonic movements permitted the fluvial, seasonal lake and intermittent lake facies to be developed.
受燕山早中期构造运动影响，河流相、时令湖相与间歇湖相发育。
On the southwestern margin of the basin there occur middle Yanshanian Late Triassic and Early Cretaceous coarse clastic molasse-like deposits and angular unconformity.
在盆地西南缘发育燕山中期的晚侏罗世和早白垩世的粗碎屑类磨拉石建造及其地层间的角度不整合。
This paper mainly discusses early Yanshanian granites, namely, the Middle Jurassic Sanjiangkou sequence.
本文着重讨论燕山早期主体花岗岩，即中侏罗世三江口序列。
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