Volcanism in the Baikal rift: 40 years of active-versus-passive model discussion

doi:10.1016/j.earscirev.2015.05.011

CORC > 地质与地球物理研究所 > 中国科学院地质与地球物理研究所 > 岩石圈演化国家重点实验室

	Volcanism in the Baikal rift: 40 years of active-versus-passive model discussion
	Ivanov, Alexei V.1; Demonterova, Elena I.1; He, Huaiyu 2; Perepelov, Alexander B.3; Travin, Aleksei V.4; Lebedev, Vladimir A.5
刊名	EARTH-SCIENCE REVIEWS
	2015-09-01
卷号	148 页码:18-43
关键词	Baikal Rift Mesozoic Cenozoic Volcanism Geochronology
DOI	10.1016/j.earscirev.2015.05.011
文献子类	Article
英文摘要	In this review we focus on the volcanism, that occurred in Transbaikalia, Siberia after the closure of the Mongolia-Okhotsk Ocean. The closure happened in the Early Jurassic. After that time, lithosphere in Transbaikalia went through two phases of rifting; in the Early Cretaceous and again in the Late Cretaceous until present. The latter rifting event is known as the Baikal rifting. We consider the chronology of the volcanism and basin formation in the Baikal rift and show that there has been a complex relationship between the two. Extension initiated in the central part of the rift system; this area is now occupied by Lake Baikal. Sedimentary basins initially developed by deepening and widening of the central part of the rift system and then by bilateral propagation of basin formation outwards. Volcanism was generally offset from the axial rift. Considering along axis distribution of volcanism, it initiated in the central part of the system and propagated bilaterally to the modern rift ends. We argue that tectonic stress controlled localization of the eruptive centres. Extension and shearing probably caused melting at mantle depth, suggestive of the passive model of volcanism. However, when considering the Baikal rift and adjacent non-rifted regions of Mongolia in a wider context of tectonics and volcanism of Central and East Asia, it is not possible to rule out that the volcanism may be associated with mantle transition zone diapirs; thus the active model of volcanism may also apply. The diapirs are located by regional isostatic gravity anomalies and considered as upwelling parts of the upper mantle convective cell controlled by the Pacific subduction and slab stagnation in the mantle transition zone. We do not see any geochemical, geophysical and geochronological evidence for involvement of deeper mantle to explain volcanism in either Baikal rift, non-rifted regions of Mongolia or anywhere else within Central and East Asia. (C) 2015 Elsevier B.V. All rights reserved.
WOS关键词	LATE CENOZOIC VOLCANISM ; TRANSITION ZONE BENEATH ; MONGOL-OKHOTSK OCEAN ; EAST-AFRICAN RIFT ; MANTLE HOT-SPOT ; LAKE BAIKAL ; NORTHERN MONGOLIA ; DEEP-STRUCTURE ; CENTRAL-ASIA ; SEISMIC DISCONTINUITY
WOS研究方向	Geology
语种	英语
WOS记录号	WOS:000358625700002
资助机构	project of the Presidium and Earth Science Branch of the Russian Academy of Sciences(43) ; project of the Presidium and Earth Science Branch of the Russian Academy of Sciences(43) ; Russian Foundation for Basic Research(15-05-05130) ; Russian Foundation for Basic Research(15-05-05130) ; project of the Presidium and Earth Science Branch of the Russian Academy of Sciences(43) ; project of the Presidium and Earth Science Branch of the Russian Academy of Sciences(43) ; Russian Foundation for Basic Research(15-05-05130) ; Russian Foundation for Basic Research(15-05-05130)
内容类型	期刊论文
源URL	[http://ir.iggcas.ac.cn/handle/132A11/62305]
专题	地质与地球物理研究所_岩石圈演化国家重点实验室
作者单位	1.Russian Acad Sci, Inst Earth Crust, Siberian Branch, Irkutsk 664003, Russia 2.Chinese Acad Sci, Inst Geol & Geophys, Beijing, Peoples R China 3.Russian Acad Sci, Vinogradov Inst Geochem, Siberian Branch, Irkutsk 664003, Russia 4.Russian Acad Sci, Sobolev Inst Geol & Mineral, Siberian Branch, Novosibirsk 664003, Russia 5.Russian Acad Sci, Inst Geol Ore Deposits Petrog Mineral & Geochem, Moscow 664003, Russia
推荐引用方式 GB/T 7714	Ivanov, Alexei V.,Demonterova, Elena I.,He, Huaiyu,et al. Volcanism in the Baikal rift: 40 years of active-versus-passive model discussion[J]. EARTH-SCIENCE REVIEWS,2015,148:18-43.
APA	Ivanov, Alexei V.,Demonterova, Elena I.,He, Huaiyu,Perepelov, Alexander B.,Travin, Aleksei V.,&Lebedev, Vladimir A..(2015).Volcanism in the Baikal rift: 40 years of active-versus-passive model discussion.EARTH-SCIENCE REVIEWS,148,18-43.
MLA	Ivanov, Alexei V.,et al."Volcanism in the Baikal rift: 40 years of active-versus-passive model discussion".EARTH-SCIENCE REVIEWS 148(2015):18-43.