it is concluded that the Jiama ore deposit is a typical magma-derived hydrothermal contact metasomatism skarn type copper polymetallic deposit.%石榴子石是西藏甲玛超大型铜多金属矿床的主要矽卡岩矿物,分布广、颜色变化大,且石榴子石矽卡岩中矿化好,是开展甲玛矽卡岩成因研究的一个重要切入...