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云南会泽超大型铅锌矿床发现锗的独立矿物
  • 期刊名称:矿物学报, 2008, 28(1): 15-16
  • 时间:0
  • 分类:P575[天文地球—矿物学;天文地球—地质学]
  • 作者机构:[1]昆明理工大学国土资源学院,云南昆明650093, [2]贵州省有色地质矿产勘查院,贵州贵阳550005, [3]中国科学院地球化学研究所矿床地球化学国家重点实验室,贵州贵阳550002, [4]中国科学院研究生院,北京100039
  • 相关基金:中国科学院地球化学研究所领域前沿项目;国家自然科学基金项目(批准号:40573036)
  • 相关项目:川-滇-黔铅锌成矿域成矿年代学研究
中文摘要:

在对云南会泽超大型铅锌矿床原生矿石电子探针观察分析过程中,发现1种锗的独立矿物,其粒径约80μm,形态不规则,与黄铁矿、闪锌矿和方解石共生,波谱分析主要由Ge和Al组成(GeO2 39.84%和Al2O3 49.96%),同时含少量F和Si(F2O 5.92%和SiO2 3.52%)。从成分上看,该矿物与目前已报道的含Al的独立锗矿物明显不同,可能为1种新的矿物,有待更全面、深入的矿物学研究。

英文摘要:

In the processes of electron probe observing and analyzing the primary ore in the Huize largescale Pb-Zn deposit, Yunnan Province, China, we discovered one independent mineral of germanium. This mineral is characterized by grain size about 80μm, irregular shape, and paragenesis with pyrite, sphalerite and calcite. The wave spectrum analytical result showed that this mineral is composed mainly of Ge and Al ( GeO2 and Al2O3 are 39. 84wt% and 49. 96 wt%, respectively), and subordinately of F and Si ( F20 and SiO2 are 5.92 wt% and 3.52 wt%, respectively). As viewed from its composition, this mineral is obviously different from the Al-bearing independent minerals of germanium which had been reported. We suggest that this mineral maybe one new mineral, but requires further mineralogical study.

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