... Coal-bearing series 煤系 Coal-bearing strata 含煤地层 Volcanic eruption 火山喷发 ...
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main coal bearing strata 主要含煤地层
Longtan coal-bearing strata 龙潭煤系
Keywords coal-bearing strata 动植物化石组合
mesozoic coal-bearing strata 中生代含煤地层
jurassic coal-bearing strata 侏罗系含煤地层
jurassic coal bearing strata 侏罗系煤系地层
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Coal geology emphatically studies always stratigraphy and sedimentology of coal and coal-bearing strata.
煤地质学一直偏重于对煤和含煤地层的地层学和沉积学的研究。
This paper discusses the petrologic characteristics of the coal-bearing strata under the geologic structural background of the Tertiary coal basin in Hunchun.
本文以珲春早第三纪含煤盆地的地质构违背景为依据，分析了煤系地层的岩石学特征。
A kind of high plasticity soft-clay, also called kibushi clay, is widely deposited in Carboniferous-Permian and Jurassic coal-bearing strata in northern China.
中国北方石炭二叠纪和侏罗纪煤系中普遍产出一种可塑性极高的软质粘土，又称木节土，其矿物组成以高岭石为主。
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