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DOI	10.1029/2019GL086472
	Fate of Forearc Lithosphere at Arc-Continent Collision Zones: Evidence From Local Earthquake Tomography of the Sunda-Banda Arc Transition; Indonesia
	Supendi P.; Nugraha A.D.; Widiyantoro S.; Abdullah C.I.; Rawlinson N.; Cummins P.R.; Harris C.W.; Roosmawati N.; Miller M.S.
发表日期	2020
ISSN	0094-8276
卷号	47 期号:6
英文摘要	A new 3-D seismic P wave velocity model of the Sunda-Banda Arc Transition from local earthquake tomography reveals (i) northward subduction of oceanic lithosphere, associated with the convergence of Australia and Sundaland, as a high-velocity zone extending down to ~200 km depth; (ii) two distinct low-velocity zones, one immediately above the slab, which is likely a zone of partial melt, and one in the 0–40 km depth range, which is probably a magma chamber associated with active volcanoes above; and (iii) a northerly dipping high-velocity zone that bisects the two low-velocity anomalies, which we interpret as an underthrust forearc sliver of continental origin. Based on He3/He4 measurements from volcanic outflows, it is possible that the magma supply is contaminated by interaction with this forearc sliver as it ascends from the melt region below. © 2020. The Authors.
英文关键词	Seismic waves; Tomography; Velocity; Volcanoes; Wave propagation; Arc-continent collision; collision; Continental origin; Indonesia; Low velocity zones; Low-velocity anomaly; Oceanic lithosphere; subduction; Earthquakes; arc-continent collision; earthquake; forearc basin; helium; magma chamber; P-wave; plate convergence; seismic tomography; subduction zone; thrust; wave velocity; Australia; Banda Arc; Indonesian seas; Pacific Ocean
语种	英语
来源期刊	Geophysical Research Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/170528
作者单位	Geophysical Engineering Study Program, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Bandung, Indonesia; Agency for Meteorology Climatology and Geophysics (BMKG), Bandung, Indonesia; Global Geophysics Research Group, Faculty of Mining and Petroleum Engineering, Institut Teknologi Bandung, Bandung, Indonesia; Geodynamic and Sedimentology Research Group, Faculty of Earth Sciences and Technology, Institut Teknologi Bandung, Bandung, Indonesia; Department of Earth Sciences, Bullard Laboratories, University of Cambridge, Cambridge, United Kingdom; Research School of Earth Sciences, Australian National University, Canberra, ACT, Australia; Institut de Physique du Globe de Strasbourg, Universite de Strasbourg, EOST/CNRS, Strasbourg, France
推荐引用方式 GB/T 7714	Supendi P.,Nugraha A.D.,Widiyantoro S.,et al. Fate of Forearc Lithosphere at Arc-Continent Collision Zones: Evidence From Local Earthquake Tomography of the Sunda-Banda Arc Transition; Indonesia[J],2020,47(6).
APA	Supendi P..,Nugraha A.D..,Widiyantoro S..,Abdullah C.I..,Rawlinson N..,...&Miller M.S..(2020).Fate of Forearc Lithosphere at Arc-Continent Collision Zones: Evidence From Local Earthquake Tomography of the Sunda-Banda Arc Transition; Indonesia.Geophysical Research Letters,47(6).
MLA	Supendi P.,et al."Fate of Forearc Lithosphere at Arc-Continent Collision Zones: Evidence From Local Earthquake Tomography of the Sunda-Banda Arc Transition; Indonesia".Geophysical Research Letters 47.6(2020).