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Laser Ablation-Inductively Coupled Plasma Mass Spectrometry (LA-ICPMS) elemental mapping and its applications in ore geology
Zhou LingLi1,2,3,4; Zeng QingDong2,3,4; Sun GuoTao2,3,4; Duan XiaoXia5; bonnetti, Christophe6; Riegler, Thomas1; Long, Darrel G. F.7; Kamber, Balz1
2019
Source PublicationACTA PETROLOGICA SINICA
ISSN1000-0569
Volume35Issue:7Pages:1964-1978
AbstractWith the development of two-dimensional trace element mapping by laser-ablation inductively-coupled-plasma mass spectrometry (LA-ICP-MS), it is now possible to reveal in much greater detail any compositional interior textures of the pyrites, thus permitting the investigation of the history of pyrite crystals and providing new insight into the genesis and evolution of mineralisation. Exploiting the advantages of high spatial resolution, low detection limits, and capability of full quantification, LA-ICP-MS elemental mapping is being widely applied to imaging sulphides from various types of deposits. In this study, we applied the LA-ICP-MS elemental mapping technique on pyrites from different types of deposits from China and Canada, for the purpose of monitoring the changes of physio-chemical condition, defining ore genesis, and revealing the distribution patterns of precious metals. The interior compositional textures of pyrites show that the mineralization system of the Bayinwula roll-front U deposit in Inner Mongolia was open and continuously affected by the re-charge of oxidized groundwater, along with a periodic change of pH and Eh that affected the activities of sulphate bacteria and the associated U mineralization. The trace element maps of pyrites from the Zhenzigou Pb-Zn deposit in Liaoning Province indicate that several episodes of fluids were involved and responsible for the mineralisation, namely, an early stage of syn-sedimentary origin and a late hydrothermal mineralisation related to the Yanshanian magmatic activity. The trace element distribution patterns of pyrites from the Palaeoproterozoic placer Au deposit in Canada showed that the subeuhedral-euhedral pyrite, which is a dominant type of pyrite in the conglomerates, is detrital origin and later modified by hydrothermal (or metamorphic) fluids, and Au is mostly associated with the detrital pyrite grains/cores, and disseminated in the porosity on the surface.
KeywordLA-ICPMS Elemental mapping Pyrite Qingchenzi Pb-Zn deposit Bayinwula U deposit Pardo placer Au deposit
DOI10.18654/1000-0569/2019.07.02
WOS KeywordTRACE-ELEMENT ; MINOR ELEMENTS ; PYRITE ; DEPOSIT ; GOLD ; GENESIS ; SULFUR ; TOWNSHIPS ; MINERALS ; CLEMENT
Language英语
WOS Research AreaGeology
WOS SubjectGeology
WOS IDWOS:000491151100002
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/93890
Collection矿产资源研究院重点实验室
Corresponding AuthorZhou LingLi
Affiliation1.Trinity Coll Dublin, Sch Nat Sci, Dept Geol, iCRAG, Dublin 2, Ireland
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Inst Earth Sci, Beijing 100029, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Hefei Univ Technol, Sch Resources & Environm Engn, Hefei 230009, Anhui, Peoples R China
6.East China Univ Technol, State Key Kaboratory Kuclear Resources & Environm, Nanchang 330013, Jiangxi, Peoples R China
7.Laurentian Univ, Dept Earth Sci, Sudbury, ON P3E 2C6, Canada
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
Zhou LingLi,Zeng QingDong,Sun GuoTao,et al. Laser Ablation-Inductively Coupled Plasma Mass Spectrometry (LA-ICPMS) elemental mapping and its applications in ore geology[J]. ACTA PETROLOGICA SINICA,2019,35(7):1964-1978.
APA Zhou LingLi.,Zeng QingDong.,Sun GuoTao.,Duan XiaoXia.,bonnetti, Christophe.,...&Kamber, Balz.(2019).Laser Ablation-Inductively Coupled Plasma Mass Spectrometry (LA-ICPMS) elemental mapping and its applications in ore geology.ACTA PETROLOGICA SINICA,35(7),1964-1978.
MLA Zhou LingLi,et al."Laser Ablation-Inductively Coupled Plasma Mass Spectrometry (LA-ICPMS) elemental mapping and its applications in ore geology".ACTA PETROLOGICA SINICA 35.7(2019):1964-1978.
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