...词】: 可采 陆相 页岩气 下侏罗统 四川盆地 [gap=1663]Keywords】: recoverable,continental facies,shale gas,Lower Jurassic,Sichuan Basin ...
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... 晚侏罗纪前 pre-late jurassic 下侏罗纪 lower jurassic 再闯侏罗纪 carnosaur 3: primal species ...
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upper triassic-lower jurassic 上三叠统下侏罗统
middle-lower Jurassic 中下侏罗统
upper jurassic-lower cretaceous 上侏罗下白垩统
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。
The Middle and Lower Jurassic with thick coal seam is widely distributed in Northwest China.
西北地区中、下侏罗统煤层广布，厚度较大；
The formation conditions and geologic structures of Lower Jurassic in southeastern West Siberia are studied.
研究了西西伯利亚东南部早侏罗世地层的形成条件和地质结构。
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