火山碎屑岩类

火山碎屑岩类包括正常火山碎屑岩类、向熔岩过渡的火山碎屑熔岩类以及向沉积岩过渡的火山碎屑岩类。

The pyroclastic rocks mainly include nomal pyroclastic rocks , pyroclastic rocks which transit to lava , pyroclastic rocks which transit to sedimentary rocks .

其中，火山碎屑岩类、火山-沉积岩类成岩作用受火山碎屑物质控制作用明显。

Diagenesis is mainly controlled by volcanic clastic materials in pyroclastic rocks , volcanic-sedimentary rocks .

研究表明目的层火成岩中发育有熔岩和火山碎屑岩两大类火成岩。

Studies have shown that the purpose of the group of igneous rocks in the layer of business development with lava and pyroclastic igneous rock two categories .

火山岩储层岩石类型主要包括熔岩类、火山碎屑岩类。

Rock types of volcanic reservoirs include mainly lava and pyroclastic rock .

该区火山岩岩石类型有熔岩（以粗面岩为主）、火山碎屑岩两大类，其成因主要是大陆环境，以岩浆分异结晶占主导地位，部分熔融占次要地位；

Lava ( mainly trachyte ) and igneous clastic rock are the two main types which are of continental environment with magma iso crystalization taking the domination role and melting as the secondary .