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Progress of the researches on Kamchatka Arc magmatism
Liu HaiYang1,2,3; Xue YingYu1,2,3; Sun WeiDong1,2,3,4
2020
Source PublicationACTA PETROLOGICA SINICA
ISSN1000-0569
Volume36Issue:2Pages:560-574
Corresponding AuthorSun WeiDong(weidongsun@qdio.ac.cn)
AbstractThe West Pacific contains most of the intraoceanic subduction zones, and is also the most abundant area of the trench- arc-basin system in the world. The Kamchatka Peninsula ( 51 degrees similar to 60 degrees N, 155 degrees similar to 164 degrees E) in Far East, Russia, located in the northwestern Pacific, and is the crucial portion of the Pacific Ring of fire. In order to elucidate the origin of the Kamchatka Arc magmatism, large amounts of researches have been carried out on the characteristics of mantle sources, melting process, magma fractionation and melt/fluid metasomatism of the mantle wedge. The latest researches demonstrated that : (1) variably depleted mantle sources exist below the Eastern Volcanic Front (EVF) and Central Kamchatka Depression (CKD) area of the Kamchatka Arc, while the mantle source below Sredinny Ridge (SR) region is significantly enriched compared to an Normal-Middle Ocean Ridge Basalt (N-MORB) source; (2) the degree of melting changes from 20% for EVF to 9% similar to 12% for CKD and SR, which may result from the fluid properties in the different regions; (3) polygenetic volcanoes (e. g. , Klyuchevskoy) show significant variations in geochemical compositions, which may reflect the difference of melting conditions and the process of magma fractionation; ( 4 ) major and trace elements as well as isotopes (e. g. , delta B-11) of arc lavas show systematic variations from the volcanic arc front to back-arc, which may result from the difference in flux and properties of slab-derived fluids; (5) the Northern Central Kamchatka Depression (NCKD) arc magmatism displays signatures of slab-derived melts, which is caused by superimposing hot mantle wedge and special plate configuration. This paper reviews the progress about the research on Kamchatka Arc magmatism, hoping to promote the understanding of the genesis of island arc magma.
KeywordSubduction zone Mantle melting Melt/fluid metasomatism Geochemistry Kamchatka Arc West Pacific
DOI10.18654/1000-0569/2020.02.14
Indexed BySCI
Language英语
WOS Research AreaGeology
WOS SubjectGeology
WOS IDWOS:000533618000014
PublisherSCIENCE PRESS
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/167470
Collection深海极端环境与生命过程研究中心
Corresponding AuthorSun WeiDong
Affiliation1.Chinese Acad Sci, Ctr Deep Sea Res, Inst Oceanol, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Mineral Resources, Qingdao 266237, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Liu HaiYang,Xue YingYu,Sun WeiDong. Progress of the researches on Kamchatka Arc magmatism[J]. ACTA PETROLOGICA SINICA,2020,36(2):560-574.
APA Liu HaiYang,Xue YingYu,&Sun WeiDong.(2020).Progress of the researches on Kamchatka Arc magmatism.ACTA PETROLOGICA SINICA,36(2),560-574.
MLA Liu HaiYang,et al."Progress of the researches on Kamchatka Arc magmatism".ACTA PETROLOGICA SINICA 36.2(2020):560-574.
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