However, even igneous and metamorphic rocks may act as groundwater reservoirs if extensive fracturing occurs in such rocks and if the fracturesystem is interconnected.
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。
2
Miniature differential accumulation exists in carbonate fracturesystem in Southeast Sichuan.
川东南碳酸盐岩裂缝系统存在微型差异聚集。
3
Relative permeability curve in fracturesystem without simplifying assumption is adopted in the model.