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辽宁岫岩矿洞沟铅锌矿区土壤地球化学异常特征及指示意义

  • 作者:
  • 王文财
  • 作者单位:
  • 辽宁省地质矿产研究院有限责任公司
  • 基金项目:

  • 辽宁省国土资源厅项目(LNZCHT2018-0589-24(1))
  • 详细信息:

  • 作者简介:
  • 王文财(1988—),男,辽宁营口人,工程师,从事地质矿产普查与勘探工作;沈阳市皇姑区北陵大街31号,辽宁省地质矿产研究院有限责任公司,110032;E-mail:386408422@qq.com
  • 通讯作者:
  • isnull
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Soil geochemical anomalies characteristics and indicative significance of Kuangdonggou Lead-Zinc Mining District in Xiuyan,Liaoning

  • English Author:
  • Liaoning Institute Co.,Ltd.of Geology and Mineral Resources
  • Unit:
  • 摘要
  • 在线预览
  • 参考文献

摘要:

矿洞沟铅锌矿床位于辽东早元古代裂谷南缘,区域内断裂发育,岩浆活动频繁,矿产资源丰富,成矿地质条件优越。受地表大面积覆盖的第四系和基岩影响,矿洞沟铅锌矿区内槽探和钻探等地质工程缺乏有效指导,找矿工作未有较大突破。通过开展1∶1万土壤地球化学测量,分析Au、Ag、Cu、Pb、Zn、Mo和As 7种元素,圈定了综合异常5处。在对5处综合异常进行地质踏勘基础上,着重对找矿潜力最好的综合异常HS-01和HS-02开展了槽探和钻探工程,发现17处铅锌矿旧采点和4条铅锌矿(化)体。其中,综合异常HS-01内发现的I-1铅锌矿体估算矿石量5.43万t,铅锌金属量5 297.06 t,找矿效果良好。

关键词:

土壤地球化学测量;综合异常;异常查证;矿洞沟铅锌矿床;辽宁岫岩

Abstract:

Kuangdonggou Lead-Zinc Deposit is located in the southern margin of the early Proterozoic rift in Eastern Liaoning.In the region,the faults develop,magmatic activities are frequent,and mineral resources are rich,displaying favorable metallogenic geological conditions.Affected by the Quaternary strata and bedrock covering a large area of the surface,there is no significant breakthrough in the prospecting work due to the lack of effective guidance for the geological projects of trenching and drilling in Kuangdonggou Lead-Zinc Deposit.By conducting 1:10 000 soil geochemical survey and analyzing 7 elements,that is Au,Ag,Cu,Pb,Zn,Mo and As,5 comprehensive anomalies are delineated.Based on the geological survey of 5 comprehensive anomalies,the trenching and drilling projects are carried out focusing on the comprehensive anomalies HS-01 and HS-02 with the best prospecting potential,and 17 old lead-zinc mining sites and 4 lead-zinc ore(mineralized) bodies are found.Among them,the estimated ore amount of I-1 lead-zinc ore body found in the comprehensive anomaly HS-01 is 54 300 t,and the amount of lead-zinc metal is 5 297.06 t,indicating a favorable prospecting effect.

Keywords:

soil geochemical survey;comprehensive anomaly;anomaly verification;Kuangdonggou Lead-Zinc Deposit;Xiuyan,Liaoning