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。
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.
以准噶尔盆地上二叠统和中、下侏罗统的两套烃源岩为例，分析和探讨了生物标志物的组合特征。
This paper analysed and discussed the association characteristics of the biomarker in Upper and Mid-Lower Jurassic source rocks in Junggar basin.
黑龙江省一些中—新生代断陷盆地内，中、上侏罗统、下白垩统及第三系砾岩含古砂金较为普遍。
In some of the faulted basins of the Mesozoic to Cenozoic ages in Heilongjiang Province, the Middle Upper Jurassic, Lower Cretaceous and Teritary auriferous conglomerate are most widespread.
根据分子地球化学指标，下侏罗统和中侏罗统烃源岩都可划分为湖相和沼泽相两类。
In terms of molecular geochemistry indexes, the hydrocarbon source rocks both in lower Jurassic and middle Jurassic can be classified as lake facies and swamp facies.
西北地区中、下侏罗统煤层广布，厚度较大；
The Middle and Lower Jurassic with thick coal seam is widely distributed in Northwest China.
上三叠统—下侏罗统有海相地层(浅海海湾相或海陆交互相碎屑岩)分布，而中、上侏罗统及白垩系为陆相地层。
During Late Triassic to Early Jurassic, Marine sediments formed (sallow_bay facies or alternating continent_marine facies), and only continental facies deposited during Middle Jurassic to Cretaceous.
钻井揭示，中—下侏罗统为中生界主要烃源岩。
According to the drilling results, the middle-lower Jurassic can be considered the main Mesozoic source rock.
伊犁盆地南缘中、下侏罗统水西沟群产有数个可地浸的砂岩型铀矿床。
Several in-situ leachable sandstone-type uranium deposits are hosted in the Shuixigou Group, Middle-Lower Jurassic in the southern margin area of Yili basin.
伊犁盆地南缘中、下侏罗统水西沟群产有数个可地浸的砂岩型铀矿床。
Several in-situ leachable sandstone-type uranium deposits are hosted in the Shuixigou Group, Middle-Lower Jurassic in the southern margin area of Yili basin.
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