应用综合物探方法探测新疆萨尔苏克外围及深部金铜矿床

摘要

The gold-copper deposit on the periphery of Sarsuk area in Xinjiang is located in the west of the Ashele large-size copper de-posit and lies between the Duolanasayi arc-trench interstitial structural belt and the Ashele island arc structural belt which are separated by F6-1 Maerkakuli deep fault. According to the ore-forming regularity and stratigraphic characteristics, the author carried out combina-tional exploration by using ground high-precision magnetic measurement, IP mid-gradient, IP sounding, CSAMT and TEM and, on the basis of drill hole locating, utilized IP sounding to delineate mineralized bodies at intermediate or shallow depth. Based on studying the corresponding relationship between CSAMT results and IP sounding results at the shallow depth, the author further studied the reflection regularity of CSAMT results for deep mineralized bodies. According to the results of CSAMT method, the sizes and attitude variations of the possibly existent concealed rock bodies, ore-controlling structures and silicification zones can be basically detected so as to provide deep ore-prospecting information. Two drill holes deployed along No. II mineralization-alteration zone on the periphery of Sarsuk area both intersected ore bodies, suggesting that great ore-prospecting potential might exist on the periphery and in the depth of Sarsuk area.%新疆萨尔苏克外围金铜矿床位于新疆阿舍勒大型铜矿床西部，处于多拉纳萨依弧沟间隙构造带与阿舍勒岛弧构造带之间，两个构造单元以F6-1玛尔卡库里深大断裂为界。依据本区成矿规律及地层特点，在萨尔苏克外围采用地面高精度磁测、激电中梯、激电测深、CSAMT、TEM组合勘探，在钻孔定位依据上利用激电测深圈定中浅部矿化体，通过研究CSAMT方法成果在浅部与激电测深成果对应关系，进一步研究CSAMT成果对深部矿化体的反应规律。依据CSAMT方法，大致了解了深部可能存在的隐伏岩体、控矿构造、硅化带等的规模和产状变化情况，从而提供深部找矿信息。在萨尔苏克外围Ⅱ号矿化蚀变带上布设的两个钻探验证孔均见铜矿体，预示萨尔苏克外围及深部找矿潜力巨大。