General characteristics and research progress of tellurium mineralization

IF 1.7 3区地球科学 Q2 GEOLOGY 岩石学报 Pub Date : 2023-01-01 DOI:10.18654/1000-0569/2023.10.17

GUO XianZheng, ZHOU TaoFa, FAN Yu

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引用次数: 0

Abstract

碲作为稀散元素,很少形成独立矿床,主要以共伴生形式产出于多个类型矿床中,包括铜镍硫化物和铂族矿床、铁氧化物铜金(IOCG)矿床、块状硫化物(VMS)矿床、斑岩矿床、矽卡岩矿床、造山型金矿、卡林型金矿和浅成低温热液矿床等。研究表明,碲元素可以形成上百种碲矿物,除了自然碲之外,多与Au、Ag、Pb、Bi、Cu等形成碲化物,与S或者Se形成碲的硫化物或硒化物,也可以形成碲酸盐、硅酸盐、磷酸盐、硫酸盐等矿物;此外Te还可以以类质同象形式替换寄主矿物中的元素。在成矿带尺度、矿床尺度及其矿石中碲均表现出极不均匀的分布特征,与主矿种Cu、Au、Ag等具有成因关系。碲具有多来源特征,可以源自地幔,也可以是浅部壳源岩浆或是围岩地层提供。碲矿化一般发生在成矿的中晚阶段,流体可通过混合作用、水岩反应、沸腾作用等改变体系的物理化学条件(如pH值、硫逸度、氧逸度、碲逸度、温度等),导致流体pH值升高、硫逸度和氧逸度降低,碲逸度升高,这是诱发碲矿物富集和沉淀的主要机制。碲由于其受控成矿条件较为特殊,需要着重加强碲富集成矿的关键控制因素、成矿物质来源和富集沉淀机制的研究。

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来源期刊

岩石学报 Earth and Planetary Sciences-Geochemistry and Petrology

CiteScore

3.60

自引率

22.20%

发文量

5997

审稿时长

6 months

期刊介绍： Acta Petrologica Sinica is an academic journal under the supervision of the Chinese Academy of Sciences and sponsored by the Chinese Society of Mineralogy, Petrology and Geochemistry and the Institute of Geology and Geophysics of the Chinese Academy of Sciences. The journal's publishing policy is to adhere to innovation, comprehensiveness, cutting-edge and orientation, advocate diversity and multi-school, rely on and unite the vast number of geoscientists across the country, explore the mysteries of nature, carry out extensive and in-depth basic theoretical research, promote the research and development of the field of earth science in my country, publish high-level scientific research results, and cultivate and train a large number of geoscientific research talents for my country. Acta Petrologica Sinica mainly reports on various disciplines related to the basic theory of petrology, including important basic theories and applied research results in magmatic petrology, metamorphic petrology, sedimentary petrology, petrology geotectonics, rock isotope chronology and isotope geochemistry, rock mineralization, and rock-forming mineralogy. At the same time, the journal also publishes review articles, problem discussions, academic trends and book reviews.