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1·It shows that clay mineral assemblage is clearly associated with deposition stages and lithological characters of salt lakes.

粘土资料与盐湖沉积阶段和岩性存在一定关系。

2·The main influential factors are altitude, aspect, temperature and precipitation, lithological characters and structure and relief.

对寒冻风化作用的主要影响因素有海拔、坡向、温度和降水、岩性构造及地形条件等。

3·The relation between clay-bearing carbonate rock acoustical and lithological characters was investigated under the air-saturated condition.

考察在空气饱和状态下，含泥质碳酸盐岩声波性质与岩性特征之间的关系。

4·There are great differences among the strengths of roadway roof strata with different lithological characters; and the strata strengths are also different in various coal mines.

新汶矿区巷道顶板不同岩性的岩层强度相差很大，不同矿井的岩层强度也存在明显差别。

5·With the difference of lithological characters considered, the generalized subsidence formula for strata and surface movement is derived. Some applied fields and an example are given.

在考虑岩性差异的条件下，推导出了岩层与地表移动的广义下沉公式，最后列举了其应用意义和实例。

6·On the basis of lithological characters and electricity of volcanic rock, the volcanic rocks in Permian strata in Mid-Tarim area were divided into distinct units of lava cell and lava group.

根据火山岩的岩性及电性特征，对塔里木盆地中部(简称塔中)地区下二叠统火山岩地层进行了划分与对比。

7·The paper discusses igneous rock lithological features, spatial distributive characters and its influence on coal seam and coal quality of Huanghebei coalfield, Sha ndong Province.

论述了山东省黄河北煤田岩浆岩特性特征、空间分布特点及其对煤层煤质的影响。