文章摘要信息 关键词 ： 页岩 孔隙特征 下古生界 扬子地区 [gap=868]Keywords : shale；pore characteristics；Lower Paleozoic；Yangtze area
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扬子地区奥陶纪古地理条件有利于含油气系统生储盖层的发育。
In the Yangtze region, Ordovician paleogeographic conditions were favorable to the development of source, reservoir and seal rocks in petroleum systems.
第五篇文章概括介绍了我国下扬子地区“8401”工程实施情况。
The fifth paper gives a general outline of implementation of the "8401" project in the lower reaches of the Yangtze River in China.
岩浆源区的不同是造成大别地区和下扬子地区成矿作用重大差别的根本原因。
The difference in magma source area is the fundamental cause for the appreciable difference in mineralization between the Dabie area and the lower Yangtze Valley area in the Yanshanian.
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