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黄金科学技术 ›› 2017, Vol. 25 ›› Issue (1): 9-17.doi: 10.11872/j.issn.1005-2518.2017.01.009

• 矿产勘查与资源评价 • 上一篇    下一篇

内蒙古维拉斯托大型斑岩型锡多金属找矿勘查及启示

樊志勇1,邱慧远 2,付旭3,王可祥1,胡格吉乐吐1   

  1. 1.内蒙古维拉斯托矿业有限公司,内蒙古  赤峰   025350;
    2.河北地质大学资源学院,河北  石家庄   050031;
    3.内蒙古地质勘查有限责任公司,内蒙古  呼和浩特   010020
  • 收稿日期:2016-09-30 修回日期:2016-12-23 出版日期:2017-02-28 发布日期:2017-05-12
  • 作者简介:樊志勇(1962-),男,内蒙古赤峰人,高级工程师,从事矿业开发工作。2119812441@qq.com
  • 基金资助:

    河北地质大学科研项目“岩矿(手标本)鉴定辅助工具开发”(编号:KAG201611)资助

Discovery and Exploration of Weilasituo Large Porphyry-type Tin-Polymetal Deposit in Inner Mongolia and Its Geological Significances

FAN Zhiyong1,QIU Huiyuan2,FU Xu3,WANG Kexiang1,Hugejiletu1   

  1. 1.Inner Mongolia Weilasituo Mining Co.,Ltd.,Chifeng   025350,Inner Mongolia,China;
    2.The College of Resources,Hebei GEO University,Shijiazhuang   050031,Hebei,China;
    3.Inner Mongolia Geological Exploration Co.,Ltd.,Hohhot   010020,Inner Mongolia,China
  • Received:2016-09-30 Revised:2016-12-23 Online:2017-02-28 Published:2017-05-12

摘要:

维拉斯托锡多金属矿床产于大兴安岭多金属成矿省南段,是近年来在中国北方发现的规模最大的以锡为主的斑岩型矿床。通过系统梳理和归纳维拉斯托锡多金属矿床区域构造背景、地质特征、矿床和矿脉展布特征,重点论证了锡多金属矿化与矿田范围内的时空格架,初步总结了找矿勘查模式。野外地质勘查及研究表明:锡多金属主要构成“地下室+楼阁”样式,即深部是以锡—锌—铷—铌—钽等成矿元素为主体的强云英岩化、天河石化石英斑岩型矿体;中部产出以锡—铜—锌成矿元素为主的隐爆角砾岩型矿(化)体;浅部为石英脉型锡—钨—锌—铜—钼—银脉型、网脉型矿体,具有叠加成矿的特征。根据找矿勘查经验,其构造—岩浆控矿明显,特征性的矿化蚀变和物化探异常是找矿的主要标志,也为在兴蒙造山带寻找同类型矿床提供了有益的启示。

关键词: 锡多金属矿床, 斑岩型矿床, 找矿勘查, 维拉斯托, 大兴安岭南段

Abstract:

The recently discovered Weilasituo porphyry-type tin-polymetal deposit is located in the southern part of Great Xing’an moutains of Inner Mongolia,and it is the largest tin-polymetal deposit in terms of contained metal in the north of China.Based on the geological features of Weilasituo tin-polymatal deposit including occurrence environment,geological background of ore district,geochemical features of rock mass and characteristics of orebody,detailed discussion and sumarized on the present mineral exploration situation and basic geological features of the Weilasituo tin-polymetal deposit was conducted.It is shown that the mineralization types show characteristics of “basement+castle”,in other words,it is the quartz porphyry orebody with Sn-Zn-Rb-Ta metallogenic elements as the main body in the deep;the cryptoexplosive breccia-type orebody with Sn-Cu-Zn metallogenic elements as the main body in the middle;the stockwork orebody with Sn-W-Zn-Cu-Mo-Ag metallogenic elements as the main body in the shallow which has a characteristic of superposition.The genetic model and mineral exploration criteria of the Weilasituo deposit can also be used as useful tools during the comprehensive evaluation of concealed tin-polymetal deposits in Xing-Mongolia orogenic belt.

Key words: Tin-polymetal deposit, porphyry-type deposit, prospecting, Weilasituo, south part of Great Xing’an moutains

中图分类号: 

  • P618.44

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