The volcanic rocks of the Lower Es3 in Oulituozi region are mainly volcaniclasticrock, basalt and trachyte.
欧利坨子地区沙三下亚段火山岩类型以火山碎屑岩为主，次为玄武岩及粗面岩。
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The polymictic breccia in the Qianshan lead-zinc ore district of Anxi County is a suit of volcaniclasticrock, sedimentary pyroclastic rock and pyroclastic sedimentary rock.