The sandstone-hosted copper deposits of Cretaceous age in the Chuxiong basin were closely related with the lower coaly formation,the middle cupriferous formation and upper gypsum-salt formation.

• 楚雄盆地砂岩铜矿产于白垩系地层层位中,矿床与盆地内的下部含煤建造、中部的红色含铜碎屑岩建造和上部白色膏盐建造关系密切。