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
活动强烈，发育以安
类为主的玄武、安、英安流纹的石组合。
；萤石；硅孔雀石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.
三塘湖地区早石炭活动强烈，发育以安类为主的玄武、安、英安流纹的石组合。
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