胶东埠上金矿区煌斑岩与金矿的关系  

RESEARCH ON THE RELATIONSHIP BETWEEN THE LAMPROPHYRE AND GOLD MINERALIZATION IN BUSHANG GOLD DEPOSIT,EASTERN SHANDONG PROVINCE

作　　者：马晓东 孙斌[1] 宋英昕[1] 孙雨沁[1] 程伟[1] 王强[1] 牛志力 殷继广 MA Xiao-dong SUN Bin SONG Ying-xin SUN Yu-qin CHENG Wei WANG giang NIU Zhi-li YIN Ji-guang(Shandong Academy of Geological Sciences, Ji＇nan 250013, China The Key Laboratory of Metal Mineral Metallogenic Geological Process and Resources Utilization of Shandong Province, Ji＇nan 250013, China The Key Laboratory of Metal Mineral Metallogenic Geological Process and Resources Utilization, Ministry of Land and Resources, Ji＇nan 250013, China)

机构地区：[1]山东省地质科学研究院,山东省金属矿产成矿地质过程与资源利用重点实验室,国土资源部金矿成矿过程与资源利用重点实验室,山东济南250013

出　　处：《地质与资源》2016年第4期327-335,共9页Geology and Resources

基　　金：中国地质调查局项目“山东省矿产地质与区域成矿规律综合研究”(编号12120114058001);山东省国土资源厅科研项目(鲁国土资字〔2011〕1291号)

摘　　要：为揭示胶东埠上金矿区煌斑岩与金矿的内在关系及成因,在地质学、岩石学研究的基础上,利用湿化学分析法、容量法、非水滴定法、分光光度法分析主量元素.采用等离子发射光谱仪、等离子质谱仪、原子荧光光谱仪、原子吸收光谱仪分析微量元素和稀土元素.通过本次研究发现区内煌斑岩及金矿具有密切的同源关系,均来源于Ⅰ型富集地幔源区,只是金矿混染了壳源的物质成分.结合大地构造特征,认为本区煌斑岩来源于Ⅰ型富集地幔岩浆区的浆体,金矿来源于Ⅰ型富集地幔岩浆区的易挥发并具氧化性的气液成矿流体.显示本区金矿成矿具有深成性、多地性、多期性及多样性等特征.In order to reveal the inner relations and origins of the lamprophyre and gold ores in the Bushang gold deposit in Eastern Shandong Province, on the basis of geological and petrological researches, the authors adopt wet-chemical approach, volumetric method, non-aqueous titration and spectrophotometry to analyze major elements, with IPS-AES, ICP- MS, AFS and AAS methods for trace elements and rare earth elements. Study shows that the lamprophyre and gold ore are both derived from the I-type enriched mantle source （EMI）, although the gold ore is mixed with crustal source material. According to the tectonic features, it is considered that the lamprophyre is from EMI magma, while the gold is from the volatile and oxidable ore-forming gas-liquid fluid of EMI, showing the characteristics of gold mineralization in the area with deep-seating, multi-position, multi-period and diversity.

关 键 词：金矿 煌斑岩 内在关系 胶东 埠上 

分 类 号：P588.13[天文地球—岩石学]