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| Stream sediment anomaly characteristics and prospecting target optimization in Gahe river area of Qinghai province |
| MIAO Hu-Lin1, LIU Hong-Bin1, HE Chang-Hong1, LIU Feng1, NAN Chao-Tong1, LI Feng-Ting2 |
1. Qinghai Branch Party of Ningxia General Party, China Geological Exploration Center for Industrial Building Materials, Xining 810000, China;
2. The third exploration institute of geology and mineral resources of qinghai province, Xining 810008, China |
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Abstract Based on processing of data obtained from 1：25 000 stream sediment survey in Gahe River area, the authors delineated anomalies of such elements as Cu, Pb, Zn, Ag, Au, As, Sb, Cr, Ni and Co, detected the distribution characteristics of the anomalies in the study area, evaluated the ore-prospecting significance of the anomalies, and determined the element association. In combination with the metallogenic geological background and according to the geochemical composite anomalies and association features of mesothermal-epithermal elements, four perspective areas in search for Pb, Ni and Ti deposits were determined, from which No. 3 Pb target area and No. 4 Ti and Ni key target area were delineated through optimization.
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Received: 20 June 2013
Published: 10 August 2014
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