Permian is broadly distributed in Nor th Xinjiang area, and source rocks are principally developed in upper member of Middle Per-main and upper member of Lower Permian.
北疆地区二叠系广泛分布,中二叠统上段和下二叠统上段是主要的烃源岩发育段。
Vertically, 3sets of source rocks including the Lower Cambrian, the Middle-o-Upper Ordovician-Lower Silurian and the Permian were developed in Chinese Paleozoic Marine basins.
研究认为中国古生代海相盆地在纵向上主要发育下寒武统、中上奥陶统—下志留统和二叠系3套烃源岩。
Middle and Upper Permian reefs are widely distributed and well developed in south China.
二叠纪生物礁在我国南方分布广泛。
Middle and Upper Permian reefs are widely distributed and well developed in south China.
二叠纪生物礁在我国南方分布广泛。
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