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| GEOCHEMICAL CHARACTERISTICS AND OREPROSPECTING PROGNOSISOF THE WEST QINLING AREA IN GANSU PROVINCE |
| LI Tong-guo1,JIN Zhi-peng2 |
| 1.Gansu Institute of Geological Survey,Lanzhou 730000,China; 2.Gansu Bureau of Geology and Mineral Exploration and Development,Lanzhou 730000,China |
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Abstract Using more than ten thousand data collected in the past 20 years since the beginning of geochemical prospecting in the West Qinling area and adopting computer and GIS technology,the authors selected and studied five key oreforming elements of Au,Cu,Pb,Zn and W. Starting with geochemical features,the authors investigated their migration,enrichment and dispersion in time and space. Based on probing into their geochemical characteristics in such areas as Beishan, Qilian Mountains and West Qinling,the authors obtained complete,detailed and systematic geochemical outcomes, which provide theoretical basis for geochemical prognosis of regional ore deposits.The main prospective areas and favorable zones for exploration are pointed out,which is most helpful to further ore-prospecting work.
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Published: 10 April 2009
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