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Occurrence characteristics and enrichment regularity of indium in pyrite: A case study of Dachang tin ore-field
Yong-sheng CHENG
2016
Source PublicationTransactions of Nonferrous Metals Society of China
Volume26Issue:8Pages:2197-2208
Abstract
To reveal the occurrence state and enrichment regularity of the dispersed element indium in pyrite, the petrology, mineralogy, geochemistry, and mineral physics were researched detailedly. The results suggest that the structure of pyrite is mainly composed of massive structure, disseminated structure, vein structure, reticular structure, comb structure and so on. Generally, the pyrite coexists with sphalerite, marmatite, pyrrhotite, chalcopyrite, galena, and arsenopyrite. And the texture of pyrite primarily consists of the metasomatic texture, solid solution texture, idiomorphic-hypidiomorphic granular texture, and disseminated texture. The content of indium in pyrite ranges from 0.491x10(-6) to 65.1x10(-6) with an average value of 14.38x10(-6). Yet, the indium content in the Gaofeng deposit is higher than that in the Dafulou and Tongkeng deposit, showing a particularly significant supernormal enrichment. Besides, the cadmium content in pyrite is also higher than other dispersed elements, and similarly the abnormal enrichment of cadmium in the Gaofeng deposit is also very significant. An obvious positive correlation exists between In and Cd, or Tl, but a negative correlation between In and Re. It is difficult to find out a positive or negative correlation between In and Ga. The element zinc is of great importance to the enrichment of indium, which can possibly facilitate to the migration and crystallization of dispersed element indium.
KeywordDispersed Element Indium Pyrite Lattice Structure Enrichment Regularity Cassiterite-sulfide Deposit Dachang Ore-field
Subject Area矿床地球化学
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/352002/6540
Collection矿床地球化学国家重点实验室_矿床地球化学国家重点实验室_期刊论文
Recommended Citation
GB/T 7714
Yong-sheng CHENG. Occurrence characteristics and enrichment regularity of indium in pyrite: A case study of Dachang tin ore-field[J]. Transactions of Nonferrous Metals Society of China,2016,26(8):2197-2208.
APA Yong-sheng CHENG.(2016).Occurrence characteristics and enrichment regularity of indium in pyrite: A case study of Dachang tin ore-field.Transactions of Nonferrous Metals Society of China,26(8),2197-2208.
MLA Yong-sheng CHENG."Occurrence characteristics and enrichment regularity of indium in pyrite: A case study of Dachang tin ore-field".Transactions of Nonferrous Metals Society of China 26.8(2016):2197-2208.
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