湖北省断峰山铌钽矿床地质特征及成因
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摘要
断峰山铌钽矿床位于幕阜山岩体西北缘,区内稀有金属矿成矿条件较好。通过对区域地质背景和矿区地质特征、构造特征、伟晶岩特征、矿体特征进行分析,结合伟晶岩分异、交代作用和矿化阶段特点,对该矿床成因、找矿方向进行了初步分析。研究表明:该矿床为岩浆—交代作用形成,矿床类型为花岗伟晶岩型铌钽矿床。分析结果对于区域铌钽矿床后续找矿勘探工作有一定的参考价值。
Duanfengshan niobium-tantalum deposit is located in the northwestern edge of the Mufushan rock body,the area is favorable for the metallogenesis of rare metal deposits.Through the comprehensive analysis of the regional geological characteristics and geological characteristics,tectonic characteristics,pegmatite characteristics and orebody characteristics of the mining area,and combined with the pegmatite differentiation and metasomatis and mineralization stage characteristics of the mining area,the deposit genesis and prospecting direction are discussed.The study results show that the deposit is formed by magmate-metasomatism,it belongs to granite pegmatite type niobiumtantalum deposit,which is help for the further prospecting and exploration works of the area for niobium-tantalum deposit.
Duanfengshan niobium-tantalum deposit is located in the northwestern edge of the Mufushan rock body,the area is favorable for the metallogenesis of rare metal deposits.Through the comprehensive analysis of the regional geological characteristics and geological characteristics,tectonic characteristics,pegmatite characteristics and orebody characteristics of the mining area,and combined with the pegmatite differentiation and metasomatis and mineralization stage characteristics of the mining area,the deposit genesis and prospecting direction are discussed.The study results show that the deposit is formed by magmate-metasomatism,it belongs to granite pegmatite type niobiumtantalum deposit,which is help for the further prospecting and exploration works of the area for niobium-tantalum deposit.
引文
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[3] 邓杰,李雄伟,黄建军,等.证据权法在成矿预测中的应用——以湖北通城地区铍矿的成矿预测为例[J].华南地质与矿产,2012,28(4):350-359.
[4] 曾兴洪,胡玉华,彭大勇.四川省壤塘县斯约武锂、铌钽矿床地质特征及成因研究[J].四川有色金属,2012(2):18-21.
[5] 巫晓兵,范良明,毛玉元,等.阿斯喀尔特铍矿床成因再认识[J].成都理工学院学报,1996,23(3):113-115.
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[7] 陈国建.福建南平花岗伟晶岩型钽铌矿床地质特征与成因[J].地质通报,2014,33(10):1550-1561.
[8] 冷双梁,谭超,黄经孟,等.幕阜山花岗岩地区稀有金属成矿规律初探[J].资源环境与工程,2018,32(3):351-357.
[9] 卢焕章,王中刚,李院生.岩浆-流体过渡和阿尔泰三号伟晶岩脉之成因[J].矿物学报,1996,16(1):1-7.
[10] 李昌元,戴塔根,余宗文,等.湖南省传梓源铌钽矿床地质特征及成因探讨[J].南方金属,2016(3):19-23.