The volcanic rocks of the Lower Es3 in Oulituozi region are mainly volcaniclastic rock, basalt and trachyte.
欧利坨子地区沙三下亚段火山巖类型以火山碎屑巖为主,次为玄武巖及粗面巖。
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.
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巖浆活动。
The volcaniclastic rocks can be seen as fused lumps, fused breccias and fused tuffs.
火山碎屑巖可见熔集块巖、熔角砾巖和熔结凝灰巖。
The polymictic breccia in the Qianshan lead-zinc ore district of Anxi County is a suit of volcaniclastic rock, sedimentary pyroclastic rock and pyroclastic sedimentary rock.