位于华北克拉通南缘的小秦岭地区,是我国规模仅次于胶东的第二大金矿集区,已发现含金石英脉1000余条,金矿床40多处,代表性金矿床有文峪、东闯、杨砦峪、枪马、东桐峪等,储量超过500t(Mao et al.,2002)。上世纪八十年代以 Located in the Xiaoqinling area on the southern margin of North China Craton, China’s second largest gold mine next to Jiaodong, it has been discovered that there are over 1000 gold-bearing quartz veins and over 40 gold deposits. The representative gold deposits include Wenyu , Chuangdong, Yangzhaiyu, Gunma, Dongtongyu, etc. with reserves exceeding 500t (Mao et al., 2002). Eighties of last century to