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
炭世火山活动强烈，发育以安山
类为主的玄武、安山、英安流纹的组合。
；萤；硅
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.
三塘湖地区早炭世火山活动强烈，发育以安山类为主的玄武、安山、英安流纹的组合。
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