Basic, acidic extrusive and volcanoclastic rocks are known as the main rock types.
石炭纪末期本区的岩浆活
开始,早
晚期和晚早期是两个主活期。
Basic, acidic extrusive and volcanoclastic rocks are known as the main rock types.
石炭纪末期本区的岩浆活开始,早晚期和晚早期是两个主活期。
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