IGGCAS OpenIR  > 矿产资源研究院重点实验室
The characteristics, research progresses and prospects of volcanogenic uranium deposits
Long, Zhang1,2,3; Li XiaoFeng1,2,3; Guo, Wang4
2020
Source PublicationACTA PETROLOGICA SINICA
ISSN1000-0569
Volume36Issue:2Pages:575-588
AbstractVolcanogenic uranium deposits are mainly distributed in the Circum-Pacific belt, Alpine-Himalayan belt, and Southern Siberian Platform of Russia, and they usually formed in three periods: Cretaceous, Paleogene, and Neogene. Formation of volcanogenic uranium deposits is dependent on extraction of uranium from felsic rocks, transport by hydrothermal solutions, and deposition induced by chemical or physical changes. The source rocks are generally acid and intermediate-acid, show alkaline and meta-aluminous to peraluminous characters, and are enriched in U, F, Nb, Ta, Zr, Th and Rb, and depleted in Mg, Fe, Ti, P, Ba, Sr, La and Eu. In addition, most volcanic and subvolcanic rocks show an A-type geochemical signature. Uranium is generally hosted in accessory minerals or volcanic glass. Therefore, alteration of source rocks and metamictization of accessory minerals are the key factors controlling U release. Uranium is chiefly transported as fluoride and carbonate complexes in volcanogenic uranium deposits. The ore-forming fluids are the mixing of meteoric and magmatic waters, with temperatures of 100 similar to 350 degrees C and low-middle salinity (<15% NaCleqv) Deposition mechanism of U mainly includes increasing pH, reduction, and boiling. Volcanogenic uranium deposits are usually enriched in Mo, Be, Ag, Cu, Pb, Zn, Hg and F. Magma rich in F may be an important factor in controlling the enrichment of these associated elements in volcanogenic uranium deposits. This paper suggests that it is necessary to further strengthen the research on the sources of ore-forming materials and the genetical links between uranium and associated elements, which may help to understand the process of the uranium mineralization and to support the ore exploration in the future.
KeywordVolcanogenic uranium deposits Sources of ore-forming materials Precipitation mechanism Associated elements Mineralization
DOI10.18654/1000-0569/2020.02.15
WOS KeywordRARE-EARTH-ELEMENTS ; POCOS-DE-CALDAS ; TOPAZ RHYOLITES ; GEOCHEMICAL EVOLUTION ; GRANITE PORPHYRY ; SPOR MOUNTAIN ; MINERALIZATION ; BERYLLIUM ; CHINA ; FIELD
Language英语
WOS Research AreaGeology
WOS SubjectGeology
WOS IDWOS:000533618000015
PublisherSCIENCE PRESS
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Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/96728
Collection矿产资源研究院重点实验室
Corresponding AuthorLi XiaoFeng
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Earth Sci, Beijing 100029, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chengdu Univ Technol, Chengdu 610059, Peoples R China
First Author AffilicationKey Laboratory of Mineral Resources, Chinese Academy of Sciences;  Institute of Geology and Geophysics, Chinese Academy of Sciences
Corresponding Author AffilicationKey Laboratory of Mineral Resources, Chinese Academy of Sciences;  Institute of Geology and Geophysics, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Long, Zhang,Li XiaoFeng,Guo, Wang. The characteristics, research progresses and prospects of volcanogenic uranium deposits[J]. ACTA PETROLOGICA SINICA,2020,36(2):575-588.
APA Long, Zhang,Li XiaoFeng,&Guo, Wang.(2020).The characteristics, research progresses and prospects of volcanogenic uranium deposits.ACTA PETROLOGICA SINICA,36(2),575-588.
MLA Long, Zhang,et al."The characteristics, research progresses and prospects of volcanogenic uranium deposits".ACTA PETROLOGICA SINICA 36.2(2020):575-588.
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