Basic, acidic extrusive and volcanoclastic rocks are known as the main rock types.
石炭纪末本区的浆活动开始,二叠世晚和晚二叠世两个主活动。
Basic, acidic extrusive and volcanoclastic rocks are known as the main rock types.
石炭纪末本区的浆活动开始,二叠世晚和晚二叠世两个主活动。
The study shows that Cretaceous volcanics mainly consist of medium acidic volcanic lava and volcanoclastic rocks, with locally developed basic lava;
结认为,白垩纪火山酸性火山熔和火山碎屑为主,局部发育基性熔;
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