Basic, acidic extrusive and volcanoclastic rocks are known as the main rock types.
末期本区的岩浆活动开始,早二叠世晚期和晚二叠世早期是两
主活动期。
Basic, acidic extrusive and volcanoclastic rocks are known as the main rock types.
末期本区的岩浆活动开始,早二叠世晚期和晚二叠世早期是两主活动期。
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