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Gold Science and Technology ›› 2018, Vol. 26 ›› Issue (5): 586-595.doi: 10.11872/j.issn.1005-2518.2018.05.586

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Construction of 3D Geological Model and Prospecting Prediction of Matigou Gold Deposit Based on Surpac

Le AN1(),Hujun HE1,2(),Xingke YANG1,Ke HAN1,Bin LI1,Guozhao HU1   

  1. 1School of Earth Science and Resources,Chang’an University,Xi’an 710054,Shaanxi,China
    2Key Laboratory of Western Mineral Resources and Geological Engineering,Ministry of Education,Chang’an University,Xi’an 710054,Shaanxi,China
  • Received:2018-08-07 Revised:2018-09-15 Online:2018-10-20 Published:2018-10-31

Abstract:

Based on the existing exploration engineering data and research results of Matigou gold mine,a 3D visual geoscience model of Matigou gold mine area was established by using Surpac software platform.The 3D visualization geoscience model visually and quantitatively shows the basic conditions of the terrain,stratum,structure and mineralization of Matigou gold mine.The comprehensively study about the spatial distribution of gold mineralization in the mining area was conducted.It is believed that Matigou gold orebody mainly extends along the northwest-south eastward direction.The toughness and brittle thrust nappe fault (F9) and its derivative and evolutionary structures in the Luohansi-Wayaoshang are the main ore-controlling structures in the mine area.The mineralization intensity decreases from high to low,showing discontinuous characteristics.Mineralization has a tendency to extend deep,and the middle section of 1 450~1 550 m is a favorable section for mineralization of the gold mine.Through the study of the distribution law of the mineralization of Matigou gold mine and the variation characteristics of mineralization intensity and the relationship between mineralization and structure,two prospecting targets were identified in the mining area.The research results provide foundation for the next prospecting work in the mining area.

Key words: Surpac, 3D geological modeling, Matigou gold mine, solid model, block model, grade model, prospecting prediction

CLC Number: 

  • P624.6

Geological map of the Matigou gold mine area(modified according to reference[10])"

Geological model database data table structure"

数据表名称 数据主要字段
Collar(孔口信息表) 钻孔号、北坐标、东坐标、高程、终孔深度、孔迹线、勘探线号、勘探线_ID
Survey(测斜信息表) 孔号、测斜深度、倾角、方位角
Sample(样品分析表) 孔号、样品编号、深度自、深度至、Au品位、绘图样号、样柱
Geology(岩性表) 孔号、层号、深度自、深度至、岩性

Display style of drilling in Matigou gold mine area"

Surface model(a) and stratum model(b) of Matigou gold mine area"

Orebody model of Matigou gold mine area(a) and its relationship with Luohansi rock group(b)"

Fault model(a)and its relationship with ore body(b)in Matigou gold mine area"

Block model of Matigou gold mine area"

Grade model of orebody in Matigou gold mine area"

Curve of tonnage reserve-middle section of ore body in Matigou gold mine area"

Contour map of Au grade projection inX-Yplane of Matigou gold mine area"

Contour map of Au grade projection inX-Zcross section(a) andY-Zlongitudinal section(b) of Matigou gold mine area"

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