Aquifers are composed of Quaternary loose d eposits and fissure-developing bedrock and aquifuges consist of deep fissure-und eveloped phyllite, limestone and plagiogranite porphyry.

• 第四系松散堆积物及地表浅部节理裂隙发育的基岩为区内含水层,深部节理裂隙不发育的千枚岩、灰岩及斜长花岗斑岩为矿区隔水层。