The formation has the character of a volcaniclastic flyschoid sequence deposited on an active continental margin where the sedimentation was accompanied by only a weak magmatic activity.
英
美
- 群系有着火山碎屑类复理石层序特征,此层序沉积于活动大陆边缘,在那里沉积酌只会遇到弱岩浆活动。