Basic, acidic extrusive and volcanoclastic rocks are known as the main rock types.
石炭纪末期本区的岩浆始,早二叠世晚期和晚二叠世早期是两个期。
Basic, acidic extrusive and volcanoclastic rocks are known as the main rock types.
石炭纪末期本区的岩浆始,早二叠世晚期和晚二叠世早期是两个期。
The study shows that Cretaceous volcanics mainly consist of medium acidic volcanic lava and volcanoclastic rocks, with locally developed basic lava;
结认,白垩纪火山岩以中酸性火山熔岩和火山碎屑岩,部发育基性熔岩;
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