Volcanicity was violent during the Early Carboniferous in Santanghu region.The volcanic rocks consist of basalts,andesites and dacite liparite,with andesites playing the main part.
三塘湖地区早石炭世火山活动
，
育以安山岩类为主的玄武岩、安山岩、英安流
岩的岩石组合。
Volcanicity was violent during the Early Carboniferous in Santanghu region.The volcanic rocks consist of basalts,andesites and dacite liparite,with andesites playing the main part.
三塘湖地区早石炭世火山活动，育以安山岩类为主的玄武岩、安山岩、英安流岩的岩石组合。
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