Juma mineral water occurs in the contact zone of diorite porphyrite and skarn rock in theFutuyu copper mining area of Laiyuan County,Hebei Province.

• 通过4个月实地和近3年的追踪观测，查明拒马矿泉水产于涞源县浮图峪铜矿区的闪长玢岩与夕卡岩接触带中。