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| The effect of radioactive measurement for uranium and gold prospecting in Mazong Mountain area |
| Hua-Yu DU1,2, Xiao-Lu LI1,2, Xian-Hong WU1,2 |
1. Airborne Survey and Remote Sensing Center of Hebei Province Shijiazhuang 050002, China
2. CNNC Key Laboratory of Geophysical Exploration Technology Center for Uranium Resources, Shijiazhuang 050002, China |
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Abstract Mazong Mountain is located in the eastern section of the Beishan gold mining area. Gold deposits are associated with anomalies detected by airborne radioactivity measurements, which are located in uranium anomalous edge gradient belt. By using the radioactivity measurement method, the authors found that the Shibandun uranium anomaly is located in the contact zone between Dundunshan magma mass and Sangejing groups and is controlled by two EW-trending broken quartz veins. The U content is higher than 18 × 10 -6 in Shibandun uranium anomaly and exceeds 10 × 10 -6 industrial boundary grade standard. Trough revealed that the uranium and gold have association characteristics. Gold content is (0.5 ~ 6.16) × 10 -6, and has reached the industrial grade. Therefore the radioactive measurement method is a rapid and effective method in the search for uranium and gold deposits in Mazong Mountain area.
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Received: 21 July 2017
Published: 03 August 2018
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| 样号 | 取样段/m | w(Au)/10-6 | w(V)/10-2 | w(Mn)/10-2 | w(C)/10-2 | w(K)/% | w(U)/10-6 | w(Th)/10-6 | | TC1-1 | 11.95~16.95 | 0.53 | — | — | — | 1.46 | 29.77 | 9.87 | | TC1-2 | 3.54 | — | — | — | 1.41 | 41.50 | 10.47 | | TC1-3 | 1.14 | — | 0.079 | — | 2.71 | 52.79 | 26.40 | | TC1-4 | 6.16 | — | 0.073 | — | 2.73 | 40.58 | 16.94 | | TC1-5 | 0.58 | — | — | — | 2.02 | 67.24 | 9.81 | | TC1-6 | — | — | — | — | 2.45 | 24.32 | 3.80 | | TC2-1 | 19.2~20.2 | 0.49 | — | 0.15 | — | 1.00 | 81.45 | 4.84 | | TC2-1 | 0.75 | — | — | — | 0.37 | 49.33 | 5.59 | | TC2-1 | <0.10 | — | 0.082 | — | 4.15 | 12.54 | 16.54 | | TC2-4 | 51.97~57.96 | — | — | — | — | — | 34.60 | 7.76 | | TC2-5 | — | — | — | 1.04 | — | 34.54 | 7.27 | | TC2-6 | — | — | — | 1.39 | — | 36.64 | 9.95 | | TC2-7 | 61.91~63.91 | — | — | — | 1.97 | — | 21.99 | — | | TC2-8 | — | — | — | 1.27 | — | 16.89 | — |
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