Uranium mineralizations are hosted in the Middle-Lower Jurassic coal-bearingseries.
下侏罗统含煤系是铀矿化赋存的有利部位。
2
The Yanqi basin is a coal-bearing petroleum basin in northwest China. The most important potential source rock interval in this basin is the Jurassic coal-bearingseries.
焉耆盆地为我国西部含煤、含油气盆地，侏罗系含煤地层是最重要的潜在源岩。
3
The Mesozoic volcanic rocks are interbedded with a series of coal-bearing clastics in the faulted basin in the northeastern part of Wangqing County.