例句 /

Based on ore material sources, metallogenesis, occurrences, ore formation and wall rock alteration of gold ore deposits in the northest Jiangxi province they are classified into four types i.e. magmatic hydrothermal gold deposit, volcao-subvolcano hydroth

Based on ore material sources, metallogenesis, occurrences, ore formation and wall rock alteration of gold ore deposits in the northest Jiangxi province they are classified into four types i.e. magmatic hydrothermal gold deposit, volcao-subvolcano hydroth

依据成矿物质来源、成矿作用、矿床产出条件、矿石建造和围岩蚀变等因素,将赣东北地区岩金矿床划分为岩浆热液类、火山-次火山热液类、多源热液类和地下热(卤)水渗滤类等4类8型,分述了各类(型)金矿成矿地质特征,总结了沉积建造、构造和岩浆岩对区内金矿的控制作用,指出了赣东北地区金矿找矿方向。