泥晶灰岩（micritic limestone）又称灰泥岩（lime mudstone）、微晶灰岩（micrite）等，是石灰岩主要类型之一。
n. micrite ; pelsparite
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岩性以泥晶灰岩为主，并且物性随白云岩含量的增多会变好；
Its lithology is primarily argillaceous limestone, and the physical property can improve along with dolomite content's increasing;
上部为中薄层状富泥的含石膏质夹层的泥质泥晶灰岩、微晶白云岩组成的旋回性清楚的似蒸发潮坪层序。
The upper part is a set of evaporite quasi-tidal sequence with clear cycles which is made up of middle-thin-bedded, gypsum-bearing muddy limestone and dolomicrite.
潜江凹陷潜江组粒屑碳酸盐岩性主要发育鲕粒石灰岩、砂屑灰岩、泥晶砂屑云岩、藻团块灰岩等。
The grained Carbonate rocks of Qianjiang Formation in Qianjiang Sag can be divided into oolitic limestone, sand-clastic limestone, mud-crystal sand-clastic dolomite, alga-gobbet limestone etc.
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