青海省东昆仑洪水河东地区斑岩铜钼矿找矿潜力分析
Prospecting Potential Analysis of Porphyry Cu-Mo Deposit of East Hongshui River in Eastern Kunlun in Qinghai Province
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摘要: 洪水河东地区岩浆活动强烈,石英闪长斑岩、英云闪长斑岩较发育,岩体、围岩及其接触带绿泥石化、绿帘石化、碳酸盐化、钾长石化、高岭土化、迪开石化、绢云母化和矽卡岩化等蚀变普遍且较强烈,具斑岩型矿化蚀变特征。研究区内Cu、Mo、W化探组合异常分布较多,具备典型的斑岩铜矿床的元素组合特征,岩体含矿性与化探异常吻合,且在研究区盘羊沟、乌腊德地区发现了铜钼矿体。据此分析,认为洪水河东地区具备斑岩铜钼矿成矿地质条件,斑岩型铜钼矿找矿潜力较大。
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关键词:
- 斑岩铜钼矿 /
- Cu、Mo、W组合化探异常 /
- 东昆仑洪水河东地区 /
- 东昆仑
Abstract: In the east of Hongshui River,there was an intense magmatic activity and it develops into a series of quartzdiorite porphyrite and tonaliteporphyrite.The alteration characteristics of porphyry mineralized,such as chloritization,epidotization,carbonatization,potash feldspathization,kaolinization,dicanization,sericitization and skarnization,are commonly developed in the intrusion,wallrock and their contact zone.In this area,there are broad Cu,Mo,W geochemical composite anomalies,which are the typical elements assemblage of porphyry copper deposits.Moreover,the ore-bearing bodies are able to correlate the geochemical anomalies and we have found the Panyanggou and Wulade Cu-Mo ore bodies.So,eastern of Hongshui River has the ore-forming geological conditions of Porphyry Cu-Mo Deposit and there is a big potential for porphyry copper-molybdenum.-
Key words:
- porphyry copper-molybdenum /
- Cu /
- Mo /
- W combined geochemical anomalies
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