ALLUVIAL DEPOSIT
冲积土层
冲积土
冲积沉积
冲积层
冲积物
冲积矿床
酶-受质复合物
砂矿床
alluvial deposit parent material
mining alluvial deposit
Furong superlarge tin deposit
Guangxi Dachang Gaofeng tin deposit
Guguaicheng tin deposit
methanesulfonate tin deposit
Skarn type copper-tin deposit
the Dachang tin deposit of Guangxi
the Maoping tungsten-tin deposit