然而，如果火成岩和变质岩中发生大规模的断裂，并且断裂系统相互连通，那么它们也可以作为地下水储集层。
However, even igneous and metamorphic rocks may act as groundwater reservoirs if extensive fracturing occurs in such rocks and if the fracture system is interconnected.
四川盆地下二叠统灰岩储层中，较大储量缝洞系统以东吴期暴露溶蚀形成的管道状溶洞系统为主要储集空间。
The tubular cave system resulted from erosion in Dongwu stage are the main reservoir space of Lower Permian limestone reservoirs in Sichuan Basin.
地下埋存主要选择枯竭的油气藏、深部的盐水储集层、不能开采的煤层及深海埋存等方式。
The main selections of underground storage are depleted reservoir, deep brine reservoir, unworkable coal bed and deep sea etc.
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