胶东是山东的主要黄金产地,产量占全省的80％。虽然她有悠久的黄金开采历史,但大量的开采还是在1975年以后。过去的开采,以石英脉为主,围岩稳固,品位高。现在已探明的储量中,有90％属蚀变类型,围岩破碎,品位低,倾角缓,开采的难度大,迄今采矿方法尚未定型,存在着损失、贫化高,矿房在开采 Jiaodong Shandong is the main gold producing area, accounting for 80% of the province. Although she has a long history of gold mining, but a lot of mining or after 1975. In the past mining, mainly quartz veins, rock solid, high grade. Currently, 90% of proven reserves belong to the type of alteration, the surrounding rock is broken, the grade is low, the dip angle is slow and the exploitation is difficult. So far the mining method has not been finalized yet, with the loss and depletion high.