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The 3D Visualization Study on Caijiaying Deposit (Ⅲ Orebelt) in Hebei Province

Author: XieXinMei
Tutor: NiuShuYin
School: Shijiazhuang University of Economics
Course: Structural Geology
Keywords: Zhang Xuan mantle branch Three-dimensional model of the deposit The Caijiaying Ⅲ belt deposit Surpac software 3D visualization
CLC: P618.51
Type: Master's thesis
Year: 2010
Downloads: 73
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Abstract


Zhangjiakou City Caijiaying Pb-Zn-Ag deposit is a well-known large deposits, not only has considerable reserves of lead-zinc-silver, and the typical relatively high deposit. III ore zone orebody bed with a good representation of the orebody This article focuses on anatomical research. Mine zone is located in the northeast of the Caijiaying mine based on zinc mine mainly associated with polymetallic deposits of lead, gold and other ore-forming components, mainly hosted at the the upper amphibolite of the Archean Hongqiyingzi Group plagioclase leptynite , local orebody upper end of the extension of the first within the Jurassic white flag group variegated shale and sandy conglomerate. Standards-based the digital mine technology development and its enormous economic benefits as well as with international mining reserves, we carried out a three-dimensional visual modeling Caijiaying mine the Ⅲ belt deposit. Mine 3D visual modeling is one of the key technologies of the digital mine. Surpac Vision 6.0 software this article Select of Australia SurpacMinex Group developed as a platform for three-dimensional modeling of the orebody. 142 boreholes in Hebei Province Zhangbei County Caijiaying Township Three lead-zinc-silver Ⅲ belt detailed investigation of geological reports \sample analysis data and other information the drilling database. Achievement of the drilling through the established drilling database in the arbitrary direction in the three-dimensional space visualizing, showing the three-dimensional coordinates of the drilling holes, space extending in the direction, inclination, and can also display the drilling of various samples of different depths data information. Complex conditions with a view of the mine geological structure, many orebody branch and the limited time and other reasons, the study only build Ⅲ belt 22,27,29 number three orebodies space roughly Occurrence. And in accordance with the principle of topological relations, which can be viewed from any angle, any rotation, any position cutting three-dimensional solid model of the ore body profile. Created entity model based on combined orebody grade distribution characteristics of the samples, the power is inversely proportional to the distance method to complete the valuation grade of the ore body, established orebody grade model. Mine three-dimensional geological model greatly simplifies the the mine hand work Figure complexity. Grade model, we use the computer to draw a plan view and cross-sectional view of the ore body in any direction to achieve the dynamic management of the mining major mining system visualization and mining production, improve the the intelligent and degree of automation of mine production. Use of the results of the valuation calculated the average grade of the ore body in different cutoff grade ore volume, the amount of metal, mineral reserves thus calculated is more scientific, overcome the subjectivity of traditional block method, accuracy is not high, it is difficult to obtain the ore amount calculation certification shortcomings. Geological regular basis to study the variation of the orebody grade in the vertical direction, the analysis of the spatial distribution of the elements in the ore body, the preliminary view that the elements of the main ore body distribution law: a top-down zinc silver elements content decreased and there is a gradual increase in the overall trend in the gold element content, and deep is likely to gradually shift by zinc silver for gold mine, then this prediction science from the point of view of the mantle branch. The research provides scientific guidance to the mine production, more importantly, is to provide a scientific basis for the prediction and exploration of deep prospecting design.

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CLC: > Astronomy,Earth Sciences > Geology > Of ore deposits > Deposit classification > Precious metals > Gold
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