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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    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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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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History
  • Received:February 26,2016
  • Revised:November 21,2016
  • Adopted:
  • Online: January 20,2017
  • Published: