There are not only illite, but also asphalt, microcrystalline quartz, dolomite, calcite, anorthite, gypsum, and such as potential damage materials.

储层不仅含伊利，还发育沥青、微晶英、白云、、钙长和膏等潜在损害物质。

Moreover, two types of cements of limnic calcite and limnic dolomite and hydrothermal dolomite of reburial period are included in the karst rocks.

岩溶岩中发育有淡水和淡水白云2种胶结物类型，及再埋藏期沉淀的热液异形白云。

Taking into account of the biogenic components, the algal dolomite, the main component of algal reefs, consisted of Cladosiphonia sinensis, Serpula shandongensis etc.

礁体在成分上枝管藻、龙介虫等构成的藻白云岩为主，具有良好的储集性能。

The secondary dolomite and paleokarst of the Lower Permian Series in Sichuan Basin is one of the important atectonic reserviors in the basin.

四川盆地下二叠统中次生白云岩及古岩溶是下二叠统主要的非构造圈闭储层之。

Middle-Upper Cambrian dolomites in Shimen,Hunan Province,are mainly composed of anhedral micritic dolomite,euhedral and subhedral granular dolomites,grain dolomite.

门中上寒武统白云岩极其发育,类型多样,不同类型的白云岩其成因机理和白云化模式各不相同。

Sometimes the composition mineral besides the antigorite and the chrysotile, contains the few dolomite, the magnesite, the tremolite and the olivine and so on.

组成矿物除叶蛇纹和纤蛇纹外，有时含少量的白云、菱镁矿、透闪和橄榄等。

Using dolomite and sinter magnesia clinker as a main material and added with alkali metal phosphate binder and additives,amagnesia-calcia coating material has been developed.

采用白云配适量的镁砂熟料和磷酸盐结合剂及复合外加剂研制出了具有较好性能的镁钙质中间包涂料。

There is siderite, iron dolomite , calcite, Barite, pyrite, anatase, rutile, piece quartz, the mica ( or hydromica ), diaspore,etc. in the impurity in the mineral .

杂质矿物见有菱铁矿，铁白云，，重晶、黄铁矿，锐钛矿，金红，碎屑英，云母（或水云母），水铝等。