Field analysis of metallogenic information and its application |
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Authors: | MAO Xian-cheng HU Chao ZHOU Shang-guo ZHANG Bao-yi WANG Fan-yun ZENG Wen-bo |
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Affiliation: | MAO Xian-cheng1,2,HU Chao1,ZHOU Shang-guo3,ZHANG Bao-yi1,WANG Fan-yun1,ZENG Wen-bo1 1.School of Geosciences and Info-physics,Central South University,Changsha 410083,China,2.Key Laboratory of Metallogenic Prediction of Non-ferrous Metals,Ministry of Education,3.China Metallurgical Geology Bureau,Beijing 100025 |
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Abstract: | Focusing on the issue to deal with inadequate extraction of metallogenic information especially geological information, a
new method of extracting metallogenic information based on field model, i.e. the field analysis method of metallogenic information,
was proposed. In addition, a case study by using the method of the extraction of metallogenic information from the west Guangxi
and southeast Yunnan district as an example was performed. The representation method for the field models of metallogenic
information, including the metallogenic influence field model and the metallogenic distance field model, was discussed by
introducing the concept of the field theory, based on the characteristic analysis of the distance gradualness and the influence
superposition of metallogenic information. According to the field theory superposition principle and the spatial distance
analysis method, the mathematical models for the metallogenic influence field and the metallogenic distance field of point,
line and area geological bodies were derived out by using parameter equation and calculus. Based on the metallogenic background
analysis, the metallogenic information field models of synsedimentary faults and manganese sedimentary basins were built.
The relationship between the metallogenic information fields and the manganese mineralization distribution was also investigated
by using the method of metallogenic information field analysis. The instance study indicates that the proposed method of metallogenic
information field analysis is valid and useful for extracting the ore-controlling information of synsedimentary faults and
manganese sedimentary basins in the study area, with which the extraction results are significant both statistically and geologically. |
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Keywords: | metallogenic information field model metallogenic prognosis manganese ore |
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