marlstone
n. 硬质的泥灰岩
例句
The basalt reservoir in seven-apex marlstone section of E1 f2 in HA Depression of SZ Region is proven as a beneficial reservoir.
SZ地区HA凹陷阜二段“七尖峰”泥灰岩段的玄武岩层已被证实可作为有利储层。