Youquanzi the reservoir siltstone, marl, limestone-based granules;

油泉子地区储层粉砂岩、泥灰岩、颗粒灰岩为主；

Depositional district: lithologically , they are sandy conglomerate, sandstone, siltstone interbedded with mudstone.

沉积区：岩性由砂砾岩、砂岩、粉砂岩夹泥岩组成。

Reservoir formations Gaotaizi of Longxi oil fields are mainly shaly siltstone with shale content 7.

龙西油田高台子油层岩性以含泥粉砂岩为主，泥质含量7。

Bentonitic siltstone and bentonite-carbonate rock sedimentary deposit are aggraded as the top of Laogonggou stratum;

顶部为一套滨浅湖相的膨润土化粉砂岩-膨润土-碳酸盐岩沉积岩石组合。

Researchers examining a segment of siltstone taken fromground along the Beard more glacier in Antarctica foundsomething unexpected. They found a fly.

研究人员在南极比尔德莫尔冰川采集回来的一块粉砂岩中意外地发现了苍蝇。

The engineering behavior of whole-weathered pelitic siltstone can not be evaluated rational in criterion, which lead to inconvinence and difficulty for technicians.

泥质粉砂岩全风化工程性质在有关规范中均未进行定量评价，这给工程技术人员带来困难与不便。

The mainly reservoir of Jinzhou 9-3 oil field is mainly delta sediments, composed of pebbly sandstone, sandstone, fine sandstone and siltstone, lithologic composition.

锦州9-3油田主力油层东下段储层主要为三角洲沉积，岩性为含砾砂岩、中砂岩、细砂岩及粉砂岩的岩性组合。

The main rocks are sandstone, mudstone and muddy siltstone or silty mudstone.

岩石类型主要有砂岩 、 泥岩及泥-粉砂过渡岩类.

The reservoirs are mainly sand bar deltic frontal sand body and fine and siltstone.

储集层以西北部的沙堰三角洲前缘砂体、粉细砂岩为主；