Lower Jurassic Series的意思|示意

Permo Carboniferous coal series have relative good coal gas potential, dark mudstones in lower Jurassic, lower part of Middle Jurassic and lower Cretaceous are the best source rocks.

区内石炭—二叠纪煤系具有良好的煤型气及一定的煤层气潜力，中、下侏罗统和下白垩统暗色泥岩类是最具生油潜力的烃源岩系。

Uranium mineralizations are hosted in the Middle-Lower Jurassic coal-bearing series.

下侏罗统含煤系是铀矿化赋存的有利部位。

Through comprehensive analysis of coal-bearing strata combinative characteristics in the area, figured out the strata belong to Lower Jurassic Beipiao Formation coal-bearing rock series.

通过对该区含煤地层组合特征综合分析，认为其应属下侏罗统北票组含煤岩系。

Its wall rocks consist of the regional metamorphic rock, series of Mayuan formation and middle-lower Carboniferous series as well as lower Jurassic Lishan formation.

其围岩有麻源组和中下石炭统的区域变质岩系及下侏罗统梨山组地层等。

The diagenesis of the sandstone reservoirs of the upper jurassic-lower Cretaceous series in Wangfu depression was analysed systematically.

详细分析了王府凹陷上侏罗统和下白垩统砂岩储层的成岩作用及其对储层物性的影响。