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胶东焦家金矿带南延地段土壤地球化学特征及潜力评价

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以胶东焦家金矿带南延地段作为研究对象,基于1∶5万土壤地球化学测试数据,分析各元素特征值并绘制直方图,判断该区域Au等元素具有富集趋势.运用因子分析法进行数据处理,选取F4因子组合(Hg、Au、Pb)作为构造蚀变带及矿化信息识别的重要指标,绘制地质-化探综合剖面图、地质平剖图进行重点区域验证.结合野外实际观测地质情况,推断出两条构造蚀变带作为找矿有利方向,并圈定2处成矿远景区,为下一步该区域的地质研究及找矿工作提供依据.
SOIL GEOCHEMISTRY AND POTENTIAL EVALUATION IN THE SOUTH EXTENSION OF JIAOJIA GOLD BELT,EASTERN SHANDONG
Taking the south extension part of Jiaojia gold belt in eastern Shandong Peninsula as the research object,on the basis of test data of 1∶50 000 soil geochemical survey,the paper analyzes the element eigenvalues with diagrams,and infers that there is an enrichment tendency for Au in the area.Factor analysis is adopted for data processing,with F4 factor combination(Hg-Au-Pb)as a major indicator to identify structural alteration zone and mineralization clues.Comprehensive geological and geochemical profiles and plan maps are drawn for verification of key areas.Combined with the actual geological conditions by field observation,two structural alteration zones are recognized to be favorable prospecting direction,and two metallogenic prospects are delineated,which provides basis for the next geological study and prospecting in the area.

gold depositsoil geochemistryresource potential evaluationJiaojia gold beltShandong Province

岳鹏、乔亚凯、邓俊马、马朝阳

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中国地质调查局自然资源实物地质资料中心,河北三河 065201

山东省第七地质矿产勘查院,山东临沂 276006

金矿床 土壤地球化学 资源潜力评价 焦家金矿带 山东省

2024

地质与资源
沈阳地质矿产研究所

地质与资源

CSTPCD
影响因子:0.357
ISSN:1671-1947
年,卷(期):2024.33(6)