effusive rock,eruptive rocks是什么意思

用法例句

A gold deposit associated with pyroclastic rock and hydrothermal exhalation:Nibao gold deposit in Guizhou Province,China;

一个与火山碎屑岩和热液喷发有关的金矿床——贵州泥堡金矿

The eruption periods of volcanic rock in Zao 35 Block were marked off by clay beds and volcanic formation rhythm.

根据火山岩的岩性和电性特征,把枣35断块火山岩划分为2种大相和4种微相,并结合泥岩标志层和火山岩韵律组合对枣35断块火山岩喷发期次进行了划分。