| 西藏则不吓铅锌矿床地质、物化探特征及找矿前景 |
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| 引用本文： | 杜保峰,杨长青,李光耀,何凯,张荣臻,李滢琪.西藏则不吓铅锌矿床地质、物化探特征及找矿前景[J].地质与勘探,2019,55(4):965-974. |
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| 作者姓名： | 杜保峰 杨长青 李光耀 何凯 张荣臻 李滢琪 |
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| 作者单位： | 河南省地质调查院,河南郑州450001;河南省金属矿产成矿地质过程与资源利用重点实验室,河南郑州450001;河南省地质调查院,河南郑州,450001;中国地质调查局天津地质调查中心,天津,300170 |
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| 基金项目： | 中国地质调查局项目（编号：1212010818061、12120114082101）联合资助。 |
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| 摘 要： | 则不吓铅锌矿床为冈底斯成矿带中部西段新发现的热液脉型铅锌矿床。依据成矿地质条件、地球化学异常、高磁异常和激电异常、矿体特征等综合分析，区内成矿元素以Pb、Zn、Ag等元素为主，是寻找中低温热液型铅锌银多金属矿的有利地区，并指示其深部可能存在隐伏岩体，地表出露的断裂构造很可能是岩浆侵入在顶部引爆形成的裂隙，而各类岩脉为深部岩体向上延伸的分支。综合认为，该矿床找矿前景很好，后续通过进一步勘查可望取得更大的找矿突破，同时应注意在热液脉型铅锌矿体深部对斑岩型钨钼铜矿或隐爆角砾岩型铅锌银矿的识别和寻找，以拓展区内找矿空间和矿种类型。
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| 关 键 词： | 成矿地质条件 物化探异常 找矿前景 则不吓铅锌矿 西藏 |
| 收稿时间： | 2018/7/2 0:00:00 |
| 修稿时间： | 2019/5/27 0:00:00 |
Geological,geophysical and geochemical characteristics and prospecting potential of the Zebuxia Pb-Zn deposit in Tibet |
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| Du Baofeng.Geological,geophysical and geochemical characteristics and prospecting potential of the Zebuxia Pb-Zn deposit in Tibet[J].Geology and Prospecting,2019,55(4):965-974. |
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| Authors: | Du Baofeng |
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| Institution: | Henan Institute of Geological Survey,Zhengzhou Henan; Henan Key Laboratory of Metal Mineral Mineralization Geological Processes and Resource Utilization, Zhengzhou Henan ; Tianjin Center of Geological Survey, CGS, Tianjin |
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| Abstract: | TheZebuxiaPb-Zn deposit is a newly discoveredhydrothermal vein deposit in the western part of the central Gangdean metallogenic belt in Tibet. A comprehensive analysis of metallogenic geological conditions, geochemical anomalies, high magnetic anomalies, induced polarization anomalies and orebody characteristics suggests thatthe ore-forming elements in this deposit are dominated by Pb, Zn and Ag. It is a favorable area for finding medium-low temperature hydrothermal Pb-Zn polymetallic minerals, with indicators of concealed rock mass at depth.The exposed faultsmay be the cracks formed in the top by magma intrusion, and all kinds of dikesare probably branches of upward extending concealed rock mass. It is thought that the ZebuxiaPb-Zn deposit has a good for ore-search prospect and expected to attaina larger breakthrough in further exploration. At the same time, it is noted thatmuch attention should be paid on prospecting the porphyrytype W-Mo-Cu orebody or cryptoexplosive brecciatype Pb-Znorebody below the hydrothermal vein orebody, so that toexpand the prospecting space and minerals types in the area. |
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| Keywords: | metallogenic geological environment Geophysical and Geochemical Anomaly prospecting potential ZebuxiaPb-Zn deposit Tibet |
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