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强烈，发育以
山
主的玄武、山、英
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.
三塘湖地区早石炭世火山活动强烈，发育以山主的玄武、山、英的石组合。
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