The Upper Cretaceous Jingzhushan Formation in the Biru Basin, Xizang consists of a succession of coarse-grained elastic rocks in the alluvial fan-fan delta depositional system, intercalated with intermediate-acidic volcanic rocks including dacite, andesit
The Upper Cretaceous Jingzhushan Formation in the Biru Basin, Xizang consists of a succession of coarse-grained elastic rocks in the alluvial fan-fan delta depositional system, intercalated with intermediate-acidic volcanic rocks including dacite, andesit
摘要上白垩统竞柱山组为一套冲积扇－扇三角洲沉积体系的粗碎屑岩，间夹由英安岩、安山岩、石英粗安岩和流纹岩组成的中酸性火山岩。