| Ore-prospecting right evaluation is a worldwide problem. There are many assessment methods, but the assessment system is not perfect, so it still needs constantly strengthening research in practice, to establish exploration assessment system for China’s conditions. Only by fully considering the specific circumstances of the actual exploration, choosing reasonable assessment methods, can we effectively reveal the true value of exploration.By now, Income way assessment method, the cost approach assessment method and the market valuation method are the main method used for ore-prospecting right evaluation. The most commonly used of which are exploration cost effect method, ranking Geological factors method and Rough estimation method.Yuquan Manganese ore is located in the South East of TongMa anticline. The host strata of Manganese ore is Nh2d’,it’s made up of carbonaceous shale and silty shale.Structure and fracture in mining area is simple while ore morphology high-involuted and most of the ore is lenticular.Mainly structure is laminar and massive, Mainly fracture is psammitic. Ore is primary carbonate manganese ore, while ore mineral mainly is manganese carbonate(MnCO3) which contains a little manganocalcite.This paper based on the analysis of current assessment, evaluation method and select evaluation parameter.Taking the Yuquan Manganese mine which in Xiushan ore-prospecting right evaluation for example, combining with information of general survey,selecting the ranking Geological factors method evaluated the exploration right there and the rough estimation method for validation and drew a conclusion:by the valuation date sep30,2011, Yuquan Manganese ore in Xiushan county,Chongqing exploration in the census cost29,375,300yuan. |
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