赣东南火山岩区主要发育侏罗纪中、晚世中酸性火山碎屑岩&火山熔岩，其中以爆溢相产出的流纹质晶屑凝灰熔岩分布最广；
In the southeast Jiangxi volcanic terrain are mainly developed Middle-Late Jurassic mildly acidic volcanic clastic rocks and volcanic lava , of which the most widely distributed are the explosive-effluent rhyolitic crystal fragment tuff lava ;
流纹质凝灰熔岩