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
活动强烈，发育
类为主
玄武、、英流纹石组合。
；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.
三塘湖地区早石炭世火活动强烈，发育类为主玄武、、英流纹石组合。
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