西北地区陆相侏罗纪地层区划及沉积矿产分布

Continental Jurassic Stratigraphic Provinces and Distribution of Sedimetary Minerals in Northwest China

通过对西北地区大量陆相侏罗系地质剖面的研究，依据古构造格架、基底特征、构造变形、岩浆活动、沉积建造特征、古生物群特征以及地层发育程度和接触关系等，把西北地区陆相侏罗系划分为１０个地层区和７个地层分区；并在地层区划的基础上讨论了侏罗纪岩相古地理及石油。

The continental Jurassic system in Northwest China can be classed into 10 stratigraphic districts and 7 subdistricts based on a systematic study of large quantity of continental Jurassic geologic sections in Northwest China, such as that paleotectonic frameworks, basement characters, tectonic deformation, magmatic activity, sedimentary formation, paleao-biota attributes, stratigraphic development and contact relations. In terms of the stratigrsphic province, the paper deats with Jurassic lithofacies and Plaeogeography, and the distributive regularity of sedimentary minerals such as petroleum and coal resources is discussed as well.