Henan Jinyuan gold mining company is a company with a history of nearly 40 years. Its available re-serve has been decreasing,so the company is in urgent need of new mineral resources. Through thorough exploration of the metallogenic settings, deposit geology characteristics and ore-forming rules in Qiyugou gold mining district, it is found that the cryptoexplosive breccia gold orebody,quartz vein gold orebody and granite porphyry stockwork gold ore-body are all distributed in the same metallogenic system. Based on that,the metallogenic system of Qiyugou subvolca-nic porphyry gold deposit is established,the application of which has achieved breakthroughs in prospecting guiding.%河南金源黄金矿业有限责任公司是建矿已近40年的老企业,保有储量持续下降,急需增加新的矿产资源.通过对祁雨沟金矿区成矿地质背景、矿床地质特征及成矿规律的深入研究,发现该矿区内的隐爆角砾岩型金矿体、石英脉型金矿体、花岗斑岩网脉型金矿体,均分布在一个成矿系统内,并以此建立祁雨沟次火山斑岩型金矿床成矿系统,应用该成矿系统指导找矿,取得了重大突破.
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