黑龙江省苇子沟金矿床综合信息成矿预测

摘要

Weizigou Gold Deposit is located in the eastern part of Heilongjiang Province , and controlled by the Mudanjiang deep fracture and SN-trending,NE-trending and NNE-trending Dunmi secondary fracture .The orebodies are hosted in the migmatitic granite .The direct signs for prospecting are magnetited ,copper pyritized ,pyritized,chlori-tized,kaolinized mineralized alteration .The high magnetic data indicate that the magnetic anomaly distributes in NNE trending ,the same way as the orebody .The mineralization is the main factor that affects the distribution of magnetic a-nomaly .The geochemical exploration data indicate that Au anomaly enrichment is mainly contained in the migmatitic granite area .The combination anomaly named HS -1 and HS-2 distributes in NE-trending bands like the ore-control-ling structure does .According to the comprehensive analysis of geological , geophysical and geochemical prospecting , two metallogenic prospective areas A and B are selected as the important prospecting target in the studied area .%苇子沟金矿床位于黑龙江省东部，受牡丹江深大断裂和SN、NE及NNE向敦密次级断裂控制，矿体赋存于混合花岗岩中。磁铁矿化、黄铜矿化、黄铁矿化、绿泥石化、高岭土化等矿化蚀变是矿区内的直接找矿标志。高磁数据显示，磁异常呈NNE向条带状展布，与矿体展布特征相吻合，矿化是引起区内磁异常分布的主要因素。化探资料表明， Au元素异常主要分布于混合花岗岩区，组合异常HS－1与HS－2呈NE向条带状分布，与控矿构造方向一致。通过对研究区内地质、物探和化探等信息的综合研究，划分出2个Ⅰ级成矿远景区A和B，可作为研究区内重点找矿靶区。