侏罗系(Jurassic System)是指侏罗纪时期形成的地层,分为下、中、上三个统。海相侏罗系以西欧发育最好,在德国南部,一系三分极为明显,下统多为黑色页岩,称里阿斯统,中统多为棕色含铁砂岩,称道格统,上统多为白色泥灰岩,称麻姆统。
晓南煤矿含煤地层属侏罗系陆相沉积。
Coal measures in Xiaonan coalmine belong to Jurassic terrestrial deposit.
预测了侏罗系含水层对煤层开采的影响。
The influence of aquifer upon the mining coal seam is estimated.
结果认为,侏罗系储层裂缝比较发育,裂缝方位为NE向。
The result is that Jurassic reservoir fractures were relatively developed in NE azimuth.
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