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| A STUDY OF ELEMENT MIGRATION REGULARITY IN GEOGAS MODEL |
| LIU Xiao-hui, ZHOU Si-chun, TONG Chun-han, HU Bo |
| College of Applied Nuclear Technology and Automation Engineering, Chengdu University of Technology, Chengdu 610059, China |
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Abstract A series of geogas models were built to study the element transportation regularity in the lead-zinc ore and its surrounding rocks under the action of ascending gas flows. The amount of elements transferred out of the simulated ore and rock layer were determined by ICP-MS. Then, the transportation rates of various elements were estimated. The experimental results indicate that the elements transferred out of the ore and rock layer can continually accumulate in the above catcher under the action of ascending gas flows. The transportation rates of elements are different from each other, varying in the range of 0.006~4 000 ng/d. A large concentrations of ore-forming elements in the ore body would inevitably result in high rates of transportation, forming geogas anomalies above the ore body. The result obtained by the authors provides a theoretical basis for the prospecting of concealed deposits with geogas anomaly.
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Received: 25 August 2012
Published: 10 December 2012
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