CAJ | 학술논문

陕西金龙山金矿带是秦岭造山带内发现的大型微细浸染型金矿带，矿带自西向东分为古楼山、丘岭、腰俭和金龙山4个矿段。目前，围绕矿床原生晕地球化学研究涉及较少，很大程度上制约了矿区深部找矿与预测工作。通过对丘岭矿段118~94勘探线钻孔岩石系统采样分析和统计计算，利用相关分析和聚类分析方法，确定了金矿床的原生晕组合特征，结果表明：Au与As相关系数为0.776，密切共生，As、Sb和Hg共生较稳定，为金矿的前缘指示元素组合。利用不同勘探线和不同中段原生晕异常剖面投影图，研究了矿床原生晕的变化规律，结果表明：前缘元素As、Sb和Hg在700 m及1000 m深度存在2个高背景，中部元素Pb和Zn在650 m及950 m深度异常强度最大，尾部元素Cu、Co和Ni在700~800 m深度异常规模最大，异常组合特征反映出在118~98线700 m标高以下可能存在有隐伏金矿体。
협서금룡산금광대시진령조산대내발현적대형미세침염형금광대，광대자서향동분위고루산、구령、요검화금룡산4개광단。목전，위요광상원생훈지구화학연구섭급교소，흔대정도상제약료광구심부조광여예측공작。통과대구령광단118~94감탐선찬공암석계통채양분석화통계계산，이용상관분석화취류분석방법，학정료금광상적원생훈조합특정，결과표명：Au여As상관계수위0.776，밀절공생，As、Sb화Hg공생교은정，위금광적전연지시원소조합。이용불동감탐선화불동중단원생훈이상부면투영도，연구료광상원생훈적변화규률，결과표명：전연원소As、Sb화Hg재700 m급1000 m심도존재2개고배경，중부원소Pb화Zn재650 m급950 m심도이상강도최대，미부원소Cu、Co화Ni재700~800 m심도이상규모최대，이상조합특정반영출재118~98선700 m표고이하가능존재유은복금광체。
Jinlongshan gold belt is a super large carlin-type disseminate gold deposit in Qinling Mountains.Ore belt are divided into the Guloushan,Qiuling,Yaojian and Jinlongshan four ore block from west to east.At present,the primary halo of ore deposit research degree is relatively low,which restricted the deep mine prospecting and forecasting.Based on systematical drilling sample collection of the 118 to 94 exploration line in Qiuling mines,using the correlation analysis and cluster analysis to determine the combination characteristics of gold primary halos.The correlation coefficient of Au and As element is 0.776,which are close paragenesis.The paragenetic relationship of As,Sb and Hg element is stable.It is front anomaly combination of the gold deposit.We research the change law of primary halos of orebodies by primary halo anomalies in different prospecting line and middle section.There are two high backgrounds in 1 000 m and 700 m of the front elements of As,Sb,Hg.The maximum of anomaly intensity of Pb and Zn are in depth of 950 m and 700 m.The largest anomaly scale of Cu, Co and Ni is at 800 m to 700 m depth.The anomaly combination characteristics show that there may have concealed orebody below 700 m between 118 to 70 exploration line.