化探原生晕与激电测量相结合找矿效果——以新疆博乐市喇嘛苏外围地区多金属矿区为例
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本文为新疆维吾尔自治区自然科学基金(新疆温泉县喇嘛苏铜矿床成矿流体及成矿机制研究,编号:2016D01C067)的成果。


Geochemical Primary Halos Combined with IP Measurement Prospecting Effect: Taking Peripheral Area of Lamasu Polymetallic Deposit, Bole, Xinjiang, as an Example
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    摘要:

    新疆博乐市喇嘛苏外围地区地表岩石风化剥蚀严重,直接找矿标志不明显,以大功率激电中梯测量为辅助功能的大比例尺岩石地球化学测量方法对发现和圈定隐伏矿体起到了重要作用。根据化探原生晕元素组合特点及空间分布特征,以单元素异常下限值和富集系数为划分标准,圈定了六个Ⅲ级化探异常带,异常评价初步认为Cu—Zn—Pb—Ag—W—Sn—Mn—As—Au—Bi多元素叠加异常的形成为找矿有利区,选元素共生组合特点较明显的异常带开展大功率激电工作进行化探异常的验证。在推断出的成矿有利部位布设钻孔并可见到矿体。

    Abstract:

    At present, the combined work of metal deposit prospecting technology is seriously lagging behind, and the geophysical prospecting methods and the geochemical exploration methods are used in a single way. Based on the combination of the use of high power excitation and primary halo discussion is still very little, especially for the rock weathering and erosion is serious and the direct prospecting criteria is not obvious regional research is still very weak. So learn from these experiences, the author in this study, adhere to the “scientific principle of gradual” work plan, in accordance with the “comprehensive analysis of geological, physical and chemical”, as the guiding ideology of prospecting. In a comprehensive collection of the Lamasu area related features of the data, summed up the analysis of various types of prospecting marks. Through the geological, geophysical and geochemical prospecting, engineering, sampling and testing work to carry out the Lamasu prospecting research combined technical method, find out the combination technology of convenient and effective way, to provide scientific basis for the exploration work in the topography and geological conditions to carry out the fast and effective mineral.Methods:In this study we used the combination method of primary halo and IP survey, the first large scale rock geochemical work in Lamasu area, Bole, Xinjiang, according to the geochemical primary halo element assemblage characteristics and spatial distribution characteristics, the single element abnormal limit and enrichment coefficient as the division standard, the delineation of the six class III geochemical anomaly, and then according to the ore occurrence regularity of the region, the geochemical anomalies within the layout of the high power IP in the measurement work, can be subject to verification of geochemical anomalies and further reduce the prospecting target area, the delineation of metal sulfide enrichment area, culminating in the favorable oreforming place drill hole arrangement inferred.Results:The verification results show that the thought mainly in high polarization and low resistivity anomalies and multi element anomaly is Cu—Zn—Pb—Ag—W—Sn—Mn—As—Au—Bi Bole LAMASU peripheral region for copper deposits in important geophysical and geochemical prospecting.Conclusions:Practice has proved that the use of the combination method of primary halo and IP measurement is feasible and effective, changed depending on the metallic ore exploration method used is single, prospecting method is unable to construct ore effective evaluation. This will greatly improve the accuracy of this type of ore deposits in the region to find ore prediction, shorten the cycle of mineral exploration, and has a wide range of practical value.

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库瓦尼西别克·买买提朱马,陈川,展新忠,丁亚龙,努尔喀纳提·马达依普,刘得磊,程红军.2017.化探原生晕与激电测量相结合找矿效果——以新疆博乐市喇嘛苏外围地区多金属矿区为例[J].地质论评,63(1):89-98,[DOI].
Kuwanixibieke MAIMAITIZHUMA, CHEN Chuan, ZHAN Xinzhong, DING Yalong, Nurkanati MADAYIPU, LIU Delei, CHENG Hongjun.2017. Geochemical Primary Halos Combined with IP Measurement Prospecting Effect: Taking Peripheral Area of Lamasu Polymetallic Deposit, Bole, Xinjiang, as an Example[J]. Geological Review,63(1):89-98.

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  • 收稿日期:2016-02-26
  • 最后修改日期:2016-11-21
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  • 在线发布日期: 2017-01-20
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