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金属矿山 ›› 2017, Vol. 46 ›› Issue (07): 121-127.

• 地质与测量 • 上一篇    下一篇

祁漫塔格一带镍矿综合地质信息成矿预测与潜力评价

张金玲,李领贵,顾红彬,李敏,王彬,王治安   

  1. 青海省第五地质矿产勘查院,青海 西宁 810000
  • 出版日期:2017-07-15 发布日期:2017-09-13
  • 基金资助:

    中国地质调查局地质大调查项目(编号:12120115033201),青海省地质勘查基金项目(编号:青国土资矿[2012]209)。

Metallogenic Prediction and Prospecting Potential Evaluation of Qimantage Region

Based on Integrated Geological Prospecting Information   

  1. Zhang Jinling,Li Linggui,Gu Hongbin,Li Min,Wang Bin,Wang Zhi'an
  • Online:2017-07-15 Published:2017-09-13

摘要: 祁漫塔格地区地处阿尔金、东昆仑、柴达木盆地交织的“构造结”地带,是东昆仑西段矿产资源量的主要来源地。以区内夏日哈木铜镍矿为研究对象,以综合信息成矿预测理论为指导,综合利用地球物理、地球化学、遥感地质找矿信息,通过区域成矿地质条件和成矿规律的研究,建立了镍矿成矿预测模型,并基于GIS软件的MARS系统构建了镍矿资源预测评价系统。运用矿床模型综合信息地质单元法圈定了侵入岩浆型Ni矿成矿预测区11处,其中A类1处,B类2处,C类8处,并采用矿床模型综合地质信息体积法估算了预测区资源量。研究表明:预测区500 m以浅Ni资源量3 056 658.39 t,1 000 m以浅Ni资源量611 126.77 t,预测资源总量3 667 785.16 t,显示祁漫塔格地区具有良好的镍矿找矿潜力。

关键词: 镍矿, 地质找矿信息, 区域地质条件, 成矿规律, 成矿模型, 地质体积法, 找矿潜力

Abstract: Qimantage region is an important part of northern Tibetan Plateau,it is located in the structural knot of Altyn,East Kunlun,Qadam block,and it is the main source of mineral resources in the western part of East Kunlun.Taking Xiarihamu Cu-Ni deposit in Qimantage region as the study area,based on the integrated information prediction theory and the integrated geological prospecting information obtained by geophysical,geochemical and remote sensing techniques,the regional metallogenic geological conditions and metallogenic regularities are studied,the metallogenic prediction model of Ni deposit is established,besides that,the Ni resources prospecting potential evaluation system is established by using the mineral resources assessment system (MARS) of GIS software.Based on the above discussion results,11 metallogenic prediction areas of intrusive magmatic Ni deposit are delineated by adopting integrated information method of geological unit of deposit integrated model,they are composed by 1 A-type metallogenic prediction area,2 B-type metallogenic prediction areas and 8 C-type metallogenic prediction areas,and the Ni resources reserves is predicted by using geological volume method.The study results show that,Ni resource reserves within the depth of 500 m is 3 056 658.39 t,Ni resource reserves within the depth of 1 000 m is 611 126.77 t,the total resource reserves of the metallogenic predictions areas delineated in this paper is 3 667 785.16 t,which show that the prospecting potential of Ni deposit in Qimantage region is huge.The above study results related to the Ni deposit in Qimantage region can provide some reference for conducting further prospecting and exploration work in the area.Ni deposit,Geological prospecting information,

Key words: Regional geological condition, Metallogenic regularity, Metallogenic model, Geological volume method, Prospecting potential