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黄金科学技术 ›› 2017, Vol. 25 ›› Issue (6): 43-51.doi: 10.11872/j.issn.1005-2518.2017.06.043

• 矿产勘查与资源评价 • 上一篇    下一篇

湖南玉横塘金矿区地质特征及找矿前景分析

梁永科,王德恭,赵杰   

  1. 湖南省地质矿产勘查开发局四一八队,湖南  娄底    417000
  • 收稿日期:2017-06-04 修回日期:2017-08-24 出版日期:2017-12-30 发布日期:2018-05-18
  • 作者简介:梁永科(1985-),男,陕西杨凌人,工程师,从事地质矿产勘查工作。819875339@qq.com

Geological Characteristics and Prospecting Potential of Yuhengtang Gold Deposit in Hunan Province

LIANG Yongke,WANG Degong,ZHAO Jie   


  1. Brigade 418,Bureau of Geology and Mineral Exploration and Development of Hunan Province,Loudi    417000,Hunan,China
  • Received:2017-06-04 Revised:2017-08-24 Online:2017-12-30 Published:2018-05-18

摘要:

玉横塘金矿区位于扬子地台与华南褶皱系过渡地带,雪峰弧形构造成矿带中段与白马山—龙山EW向隆起带的接合处,区内出露地层为新元古界板溪群五强溪组。通过野外地质工作及室内测试分析,认为区内赋矿层位为五强溪组第一段。矿脉的形态、产状和含矿性受NE向导矿断裂及一系列具多期活动的NW向含矿断裂的控制,矿化蚀变主要为毒砂化和黄铁矿化。通过对矿区地质特征、成矿条件、控矿因素、成矿规律和找矿标志的分析研究,认为区内主要矿脉体的深部及南东段NW向次要矿脉(尤其是与五强溪组第一段交会部位)找矿潜力较大,资源储量有望进一步增加。

关键词: 弧形构造, 断裂, 背斜, 矿床成因, 找矿标志, 找矿潜力, 玉横塘金矿

Abstract:

Yuhengtang gold deposit is located in the transition zone between Yangtze platform and south China fold system,in the junction of the middle of Xuefeng arcuate tectonic metallogenic belt and Baimashan-Longshan EW trending tectonic uplift belt.The strata exposed in the gold deposit are the Wuqiangxi Formation of Upper Proterozoic Banxi Group.The field geological work and indoor test analysis showed that gold ores mainly distributes in the first strata of Wuqiangxi Formation.The occurrence and characteristics of ore veins subject to the control of NE trend ore-controlling fracture and a series of NW trend secondary ore-bearing fracture which has multi-stage activity.The main alteration were pyritization and arsenopyrition.By analyzing the geological characteristics,metallogenic conditions,ore-controlling factors,metallogenic regularities and prospecting signs,it proposes that prospecting potential in the deep part of the main vein,in the junction of NW trend secondary vein and the first strata of Wuqiangxi Formation in the south east area is great,and the resource reserves of Yuhengtang gold deposit may be enhance.

Key words: arcuate structural, fracture, anticline, ore deposit genesis, prospecting indicator, prospecting potential, Yuhengtang gold deposit

中图分类号: 

  • P618.51

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