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