湘东南地区资汝煤田上三叠统为一套灰黑色砂质泥岩、细砂岩、中粗粒砂岩以及煤层等沉积组合，具有砂泥薄互层层理、斜波状层理、水平层理及大型交错层理等沉积结构。
The Upper Triassic Series in the Zixing-Rucheng coalfield in southeastern Hunan is a set of grayish black sandy mudstone, fine sandstone, medium coarse sandstone and coal seams combination.
由于砂岩、泥岩、页岩、蒸发岩、杂色岩等多种软硬岩层互层结构和工程活动等因素的影响，沿着软弱结构面易发生滑坡、差异风化等工程地质问题。
The interbedding natures exist not only between red sandstone, mudstone and shale but also between red beds with coal seam, magmatite, evaporite and varied rock, respectively.
富有机质泥岩物性特征为低孔—低渗型，发育多种微观孔隙结构。
The reservoir is of low porosity and low permeability, with various micro pore structures.
赋存稳定，结构简单，煤种为FM、JM，煤层顶板为石灰岩、粉砂岩，底板为泥质粉砂岩、砂质泥岩；
The occurrence is steady and the structure is simple with FM, JM types of coal, whose roof is limestone and siltstone and bottom is muddy siltstone and sandy mudstone;
赋存稳定，结构简单，煤种为FM、JM，煤层顶板为石灰岩、粉砂岩，底板为泥质粉砂岩、砂质泥岩；
The occurrence is steady and the structure is simple with FM, JM types of coal, whose roof is limestone and siltstone and bottom is muddy siltstone and sandy mudstone;
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