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黄金科学技术 ›› 2017, Vol. 25 ›› Issue (5): 11-17.doi: 10.11872/j.issn.1005-2518.2017.05.011

• 矿产勘查与资源评价 • 上一篇    下一篇

四川石棉大水沟碲矿床未知矿物相“Bi5Te”初步研究及讨论

代鸿章,王登红*,王成辉,陈振宇   

  1. 中国地质科学院矿产资源研究所,国土资源部成矿作用与资源评价重点实验室,北京   100037
  • 收稿日期:2017-07-11 修回日期:2017-08-14 出版日期:2017-10-30 发布日期:2018-02-12
  • 作者简介:代鸿章(1985-),男,四川巴中人,博士后,从事矿物学和矿床学研究工作。cagsmrs@163.com
  • 基金资助:

    中国博士后科学基金项目“四川甲基卡矿区锂辉石、绿柱石原位微区矿物学研究”(编号:2017M610960)、中国地质调查局地质大调查项目“大宗急缺矿产和战略性新兴产业矿产调查”工程“川西甲基卡大型锂矿资源基地综合调查评价” (编号:DD20160055)和中国地质调查局项目“中国矿产地质与成矿规律综合集成和服务(矿产地质志)”(编号:DD20160346)联合资助

Preliminary Study and Discussion on the Unknown Mineral Phase“Bi5Te” in the Dashuigou Tellurium Deposit,Shimian County,Sichuan Province

DAI Hongzhang,WANG Denghong,WANG Chenghui,CHEN Zhenyu   

  1. MLR Key Laboratory of Metallogeny and Mineral Resource Assessment,Institute of Mineral Resource,Chinese Academy of Geological Sciences,Beijing   100037,China
  • Received:2017-07-11 Revised:2017-08-14 Online:2017-10-30 Published:2018-02-12
  • Contact: 王登红(1967-),男,浙江嘉兴人,研究员,从事矿产普查与勘探、成矿规律及稀有稀土稀散资源研究工作。wangdenghong@vip.sina.com

摘要:

四川石棉大水沟碲矿床是世界首例独立碲矿床,产出独特的Bi-Te矿物种类,在矿物学研究方面仍有许多可挖掘点。为进一步研究矿床中赋存的特殊Te-Bi矿物,通过电子探针分析,并结合背散射图像及元素面扫面分析,在矿区内发现一种可能为新矿物相的“Bi5Te”。这种新成分不同于已知Bi-Te二端元已定名或已知成分,但由于矿物颗粒细小,不能排除为纳米尺度上已知Bi-Te矿物一定比例的混合,需要进一步开展高倍扫描电镜、透射电镜及微区XRD等分析,才能得到更加深入的认识。

关键词: 碲矿物, 未知矿物相, &ldquo, Bi5Te&rdquo, 大水沟碲矿床, 四川省

Abstract:

Dashuigou tellurium deposit is the first independent tellurium deposit in the world,which produces unique Bi-Te mineral species.There are still many excavation points in the mineralogy.In order to further study on the special Te-Bi minerals in Dashuigou deposit,EMPA,BSE images and element scanning analysis were carried on to discover the new composition of “Bi5Te”,which maybe a new mineral phase.However,due to the small mineral particles,it can’t exclude the possibility of mixing at a certain proportion of the known Bi-Te minerals on the nanometer scale,which deserves further studies including the high resolution SEM,TEM,and micro-zone XRD.

Key words:  tellurium minerals, unknown mineral phases, “Bi5Te”, Dashuigou tellurium deposit, Sichuan Province

中图分类号: 

  • P618.83 

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