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黄金科学技术 ›› 2018, Vol. 26 ›› Issue (3): 270-278.doi: 10.11872/j.issn.1005-2518.2018.03.270

• 矿产勘查与资源评价 • 上一篇    下一篇

南秦岭汉阴县长沟金矿床三维模型与定位预测

杨龙伟1,杨兴科1,2,高雅宁1,何虎军1,2,褚娜娜3,张正民1   

  1. 1.长安大学地球科学与资源学院,陕西 西安 710054;
    2.长安大学西部矿产资源与地质工程教育部重点实验室,陕西 西安 710054;
    3.山西省地球物理化学勘查院,山西 运城 044004
  • 收稿日期:2017-07-10 修回日期:2018-03-11 出版日期:2018-06-30 发布日期:2018-07-27
  • 作者简介:杨龙伟(1989-),男,陕西榆林人,博士研究生,从事矿产普查与勘探研究工作。ylwssrs@chd.edu.cn
  • 基金资助:

    中国地调局项目“陕西石泉—旬阳金矿整装勘查区关键基础地质研究”(编号:12120114014201)和陕西省自然科学基金项目“矿床三维地质建模与隐伏矿体立体定量预测研究”(编号:2016JM4001)联合资助

Three-dimensional Model and Location Prediction of Changgou Gold Deposit in Northern Hanyin of South Qinling Mountains

YANG Longwei1,YANG Xingke1,2,GAO Yaning1,HE Hujun1,2,CHU Nana3,ZHANG Zhengmin1#br#   

  1. 1.School of Earth Science and Resources,Chang’an University,Xi’an 710054,Shaanxi,China;2.Key Laboratory of Western Mineral Resources and Geological Engineering,Ministry of Education,Chang’an University,Xi’an 710054,Shaanxi,China;3.Geophysical and Geochemical Exploration Institute of Shanxi Province,Yuncheng 044004,Shanxi,China
  • Received:2017-07-10 Revised:2018-03-11 Online:2018-06-30 Published:2018-07-27

摘要: 分析了采用传统地质信息表达方法存在的缺陷及开展三维立体地质填图的意义,通过对钻孔、地形和勘探线剖面等资料的综合研究,首次运用Surpac软件建立了陕南汉阴县长沟金矿床的三维可视化模型,直观地显示了地形、构造及矿体的空间展布规律。综合地质研究和三维模型特征分析结果表明:长沟金矿是一个受产于志留系区域变形变质岩中的近EW-NWW向脆—韧性剪切带DSZ3及其旁侧次级断裂破碎带控制的金矿床,含金矿化脉体主要沿S2面理分布,矿区西部的有利找矿方向应为南西区域、呈NW走向斜列的矿体沿NWW 285°~310°方向的更深部位。基于Surpac软件的三维可视化地质模型的建立和定位预测结果,对长沟金矿以及外围找矿勘查工作具有重要参考价值。

关键词: 长沟金矿, Surpac软件, 三维模型, 定位预测, 南秦岭

Abstract: With analyzing defects of traditional geological information expression method and the significance of carrying out three-dimensional geological mapping,through comprehensive research of data for drill holes,terrain and prospecting line profile,the three-dimensional visualization geological model of Changgou gold deposit is established on the basis of Surpac software platform for the first time,which shows the spatial distribution regulation of terrain,tectonics and ore-bodies intuitively.The results of comprehensive geological research and 3D model analysis show that Changgou gold deposit is strictly controlled by near EW-NWW striking shear zone DSZ3 developed in Silurian regional deformation metamorphic rocks and the lateral secondary fault fracture zones.The distribution of gold veins in the mine area is mainly along the S2 foliation.The prospecting direction in western segment of the deposit should be in the deeper places of its southwestern part,along with the NW trending ore (mineralized)) zone of NWW 285o ~310o.The establishment of 3D visualization geological model of Changgou gold deposit on the basis of Surpac software provides a significant indication for ore prospecting in the further exploration.

Key words: Changgou gold mine, Surpac software, three-dimensional model, location prediction, south Qinling Mountain

中图分类号: 

  • P612
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