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矿产勘查与资源评价

元素比值在嫩江—黑河地区金成矿预测的应用初探

  • 符安宗 , 1 ,
  • 余欣朗 2 ,
  • 李成禄 1 ,
  • 杨文鹏 1 ,
  • 杨元江 1 ,
  • 郑博 1 ,
  • 赵瑞君 1
展开
  • 1. 黑龙江省自然资源调查院,黑龙江 哈尔滨 150036
  • 2. 黑龙江省地质矿产实验测试研究中心,黑龙江 哈尔滨 150036

符安宗(1986-),男,广西浦北人,工程师,从事区域地质矿产调查与研究工作。

收稿日期: 2021-11-29

  修回日期: 2022-05-14

  网络出版日期: 2023-01-06

基金资助

黑龙江省重点研发计划项目“黑龙江省大型二道坎银矿资源综合利用及成矿作用研究”(GA21A204)

黑龙江省国土资源科研项目“黑龙江省嫩江—黑河构造混杂岩地区成矿规律研究与找矿预测”(201603)

Application of Element Ratios in Gold Metallogenic Prediction in Nenjiang-Heihe Area

  • Anzong FU , 1 ,
  • Xinlang YU 2 ,
  • Chenglu LI 1 ,
  • Wenpeng YANG 1 ,
  • Yuanjiang YANG 1 ,
  • Bo ZHENG 1 ,
  • Ruijun ZHAO 1
Expand
  • 1. Heilongjiang Institute of Natural Resources Survey, Harbin 150036, Heilongjiang, China
  • 2. Heilongjiang Provincial Geology and Mineral Resources Test and Application Institute, Harbin 150036, Heilongjiang, China

Received date: 2021-11-29

  Revised date: 2022-05-14

  Online published: 2023-01-06

本文亮点

为探讨元素比值在金成矿预测中的应用,在收集嫩江—黑河地区1/25万区域化探数据的基础上,对数据进行标准化处理,计算Au元素与前缘晕元素和尾晕元素的比值,以及前缘晕元素与尾晕元素的比值。以(0.1~0.2)lgC对数间距绘制地球化学等值线图,分析Au元素和特征元素比值的分布特征,结合已有金矿的分布规律圈定找矿靶区。结果表明:经标准化消除量纲后,特征元素比值的平均值分布区间范围为0.60~15.58,相差不大,便于统计分析和勾绘地球化学等值线图。根据已有金矿在Au元素和特征元素比值地球化学等值线图上的分布特征,共圈定出7个成矿靶区。研究表明:将元素比值应用于金成矿预测中,取得了良好的效果,这为嫩江—黑河地区寻找金矿提供了科学依据,为区域找矿研究提供了新思路。

本文引用格式

符安宗 , 余欣朗 , 李成禄 , 杨文鹏 , 杨元江 , 郑博 , 赵瑞君 . 元素比值在嫩江—黑河地区金成矿预测的应用初探[J]. 黄金科学技术, 2022 , 30(6) : 822 -834 . DOI: 10.11872/j.issn.1005-2518.2022.06.185

Highlights

In order to explore the application of element ratio in gold metallogenic prediction,based on the collection of 1∶250 000 regional geochemical exploration data in Nenjiang-Heihe area,the data were standardized with the abundance of upper crust,and the ratios of Au to front halo elements and tail halo elements and the ratios of front halo elements to tail halo elements were calculated.Then,the geochemical parameters of each element and the ratios of characteristic elements were counted,their geochemical characteristics were analyzed.The geochemical contour map of Au and the ratios of characteristic elements at a logarithmic interval of (0.1~0.2) lgC was drawn,and the distribution characteristics of them were summarized.Finally,combined with the distribution law of existing gold deposits and the distribution characteristics of gold deposits on the geochemical isoline map of various variables,we delineated the prospecting target area.The results show that after the dimensionality is eliminated by standardization,the average value range of characteristic element ratios is 0.60~15.58,with little difference,which is convenient for statistical analysis and geochemical isoline drawing.And the spatial distribution characteristics of characteristic element ratios are closely related to the distribution of existing gold deposits.Their high background and high value areas have obvious northeast and northwest distribution trends,and some have north-south and east-west distribution trends,it is consistent with the distribution direction of existing gold mines.According to the distribution characteristics of existing gold deposits on the geochemical contour map of Au and the ratios of the characteristic element,a total of 7 metallogenic targets are delineated.The study shows that the element ratio has achieved a certain effect in the prediction of gold mineralization,which provides a scientific basis for the search for gold deposits in Nenjiang-Heihe area and a new idea for the study of new prospecting methods.

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山东黄金集团获多项省级科技进步奖

2022年12月15日,山东省政府印发了2022年度山东省科学技术奖励决定,山东黄金集团有限公司有2项成果荣获省级奖励。此外,集团所属企业在海南省和河南省也分别有省级奖项斩获。

海南山金公司申报的“复杂难选金矿石全组分高效回收关键技术及工业应用”项目,获海南省科学技术进步一等奖;三山岛金矿申报的“滨海深部金属矿产资源智能开采关键技术与装备”项目,获山东省科学技术进步一等奖;焦家金矿申报的“深部缓倾斜厚大金矿床安全绿色智能化开采关键技术研究与应用”项目,获山东省科学技术进步二等奖;嵩县山金公司申报的省级科学进步二等奖项目,即“区域构造带内倾斜中厚破碎矿体安全高效无固废开采关键技术”项目也已过公示期。

2022年,山东省作为全国科技奖励改革试点唯一省份,在科学技术奖励上进行重大改革,取消三等奖,增加科学技术青年奖,同时减少提名单位,围绕“提高质量、减少数量、优化结构、完善程序”的主题,进一步体现山东省科技奖励评审过程的科学性、民主性和严谨性。评审结果显示,山东省科学技术进步奖获奖率降至19.5%,是近10年来山东省科学技术进步奖评审竞争最激烈、难度最大的一次。

山东黄金集团针对国家和省奖励政策改革举措,积极应对,主动对接省科技主管部门,及时吃透新的科技奖励申报管理办法,组织所属企业多省区多领域多专业总结提炼了多项科技成果申报省级科技进步奖,其间多次组织相关专家研讨申报材料,前后数易其稿。

集团所属各相关企业紧紧抓住有利契机,迎势而上,攻坚克难,积极发挥技术优势,斩获省级科技进步一等奖2项和二等奖2项,保持了在全省省管企业中的领先地位,进一步扩大了集团在全国专业技术领域影响力,为实现“再造一个山金 进入世界500强”的战略目标提供了科技源动力。

脚注

http://www.goldsci.ac.cn/article/2022/1005-2518/1005-2518-2022-30-6-822.shtml

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