volcanic lithofacies

• 火山岩相

volcanic lithofacies的用法和样例：

例句

1. The rock combination and lithofacies of the Late Paleozoic marine volcanic rocks are quite complex.
   晚古生代海相火山岩相岩石组合较复杂。
2. Many gas-bearing volcanic reservoirs were discovered in Xujiaweizi Fault Depression of northern Songliao Basin, especially in Yingcheng I Formation.
   摘要松辽盆地北部徐家围子地区深层发育了大量的火山岩体，特别是营城组一段，火山岩相以多期的爆发相和喷溢相空间相互叠置为主。