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| FEATURES OF GEO-ELECTROCHEMICAL ANOMALY AND COPPER-NICKEL PROSPECTING PROGNOSIS IN HOLLOW BASIN |
| HUANG Xue-qiang1,2, LUO Xian-rong1,2, LIU Wei1,2, WANG Guang-hong3, HUANG Wei-ge1,2, DONG Yan-qiu1,2 |
1. Earth Sciences of Guilin University of Technology, Guilin 541004, China;
2. Engineering Research Center of Exploration for Hidden Non-Ferrous and Precious Metal Ore Deposits, Ministry of Education, Guilin 541004, China;
3. No. 605 Geological Party, Metallurgical and Geological Exploration Bureau of Sichuan Province, Pengshan 620860, China |
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Abstract In order to overcome the difficulties and make breakthrough in finding hidden deposits in the basin area, the author chose Zhouan ore deposit of Henan Province as the study object. The demonstration study in the known areas revealed clear anomalies of Cu, Ni, Co and obvious soil ionic conductivity directly above the known ore body. Two kinds of geoelectrochemical characteristics were observed in the basin area: On both sides of the concealed ore body, there exist element anomalies of certain sizes, and the middle section of anomalies on both sides indicates the location of the ore body. Above the ore body, the anomalies of soil ionic conductivity are mainly negative, and symmetrical peaks often appear on both sides of the ore body. In addition, the anomalies of Hg mainly assume high and single peaks and are distributed in the form of discontinuous jumps on profile. On such a basis, the authors set up an ideal geoelectrochemical prospecting model for nickel-copper deposits in Nanyang basin of Henan Province. In addition, the prognostic study was conducted in the peripheral zone, with three favorable targets delineated.
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Received: 19 March 2012
Published: 10 April 2013
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