The distinctness of rock for deep clastic gas layers in Songliao basin is laumontitization, sericitization and water-bearing property of illite, and extensive albiti-zation.

• 松辽盆地深层碎屑岩储气层在岩石矿物方面的特殊性在于浊沸石化、伊利石的绢云母化及其含水性和广泛的钠长石化。