Basic, acidic extrusive and volcanoclastic rocks are known as the main rock types.
石炭纪区的岩浆活动开始,早二叠世晚和晚二叠世早是两主活动。
Basic, acidic extrusive and volcanoclastic rocks are known as the main rock types.
石炭纪区的岩浆活动开始,早二叠世晚和晚二叠世早是两主活动。
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