The bedrock fracture groundwater mainly distribute in the joints and fractures of metamorphic, magmatic, clastic and carbonatite rocks, is also mainly phreatic water.

• 基岩裂隙水主要赋存于变质岩、岩浆岩、碎屑岩、碳酸盐岩节理、裂隙中，以潜水为主。