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Research and Application of Visual Software Based on Graphic Method of Probability

Author: WangLin
Tutor: PengRunMin
School: Chinese Geology University (Beijing)
Course: Mineral prospecting and exploration
Keywords: Probability plots Grade Superimposed mineralization Dongshengmiao deposit
CLC: P624
Type: Master's thesis
Year: 2005
Downloads: 81
Quote: 0
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Abstract


Probabilistic graphical method to solve geological exploration of a fast, convenient, and efficient aids. The geological role of long-term and complex nature of the geological body often experienced multiple causes stage or have complex causes of the process. Therefore, we sample derived from observations of data on a variety of geological body, often on behalf of various causes or multiple role of the consolidated results of the superposition. Visible, in order to correct statistical analysis, the first should be identified and studied data set is a single the genesis overall or polygenetic mixed overall. If the former, you should further identify its distribution law; case of the latter, you should try to screening the raw data into different components of the overall, then each component of the overall statistical analysis and geological interpretation of mineralization period times and material sources of the problem, the study is especially important. In the country, the probability of graphical method has been widely used in statistical prediction of the deposit, and there are many articles the mixed overall theory of the causes and probability plots screening principle expounded. However, there does not appear visualizations flexible parameter adjustment, and provide screening and comparison of different parameter settings case probability graphical method software. Order to cope with the mineral prospecting and exploration METALLOGENIC and material sources, the study the deposit grade data characteristics and identified on the basis of the probability distribution of the data model, VB visual programming technology, designed to prepare the \The software read data from Access Universal Database data point is depicted in the two-dimensional coordinate system using probabilistic graphical mapping principle, based on the need to set the parameters of the distance and grade value, and meet the requirements of a series of data points then approximation curve by a different function to the data points, draw the overall curve of the original data. The use of the probability plots screening the principle screening for two or more of the overall geological interpretation and position for the the linear morphological changes and the data points to provide valuable information for prospecting and exploration. Inner Mongolia Dongshengmiao very large multi-metal pyrite beds in the margin of the Proterozoic mineralization in the North China with the western part of the formation of a passive margin rift basins in the Proterozoic Eon. Visualization software using prepared its exploration of eight representative line of 2200 S, Zn, Pb, Cu grade data, carried out the screening, as Figure 51, found a new genetic information disclosed superimposed mineralization occurs.

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CLC: > Astronomy,Earth Sciences > Geology > Geology, mineral prospecting and exploration > Geological Survey
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