气候变化领域集成服务门户(CCPortal): Geodynamic controls on magmatic arc migration and quiescence

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DOI	10.1016/j.earscirev.2021.103676
	Geodynamic controls on magmatic arc migration and quiescence
	Gianni G.M.; Luján S.P.
发表日期	2021
ISSN	00128252
卷号	218
英文摘要	Reconfigurations of magmatic arcs through time have been recognized since pioneering works, describing inland and trenchward arc migrations or magmatic shut-off lasting for several millions of years. These modifications present variable magnitudes and rates of arc migration and magmatic broadening, and different arc quiescence time spans. The time-space behavior of magmatic arcs has been attributed to a diversity of geodynamic processes acting at convergent margins largely associated with modifications in the upper-plate or changes in plate kinematics. Identifying a geodynamic process responsible for a particular spatiotemporal arc history from the geological record is not straightforward. This task is further complicated where more than one process influencing arc position acted in concert. To assess these issues, it is essential to have a deep understanding of how each process influences the space-time arc behavior and modifies the geological context. To date, a joint comparison highlighting similarities and differences in how these phenomena impact arc dynamics and the associated geological framework is still missing from the literature. In this study, we provide a state-of-the-art synthesis of processes controlling arc migration and quiescence. Then, we extract diagnostic elements from the literature to build a synthetic table to aid in the task of discerning a dominant geodynamic process from the geological record. In this task, we considered the first-order characteristics of the space-time arc evolution and diagnostic features of the geological context associated with each geodynamic process. Finally, this synthesis stresses that the combination of both perspectives, understanding the space-time arc pattern and the associated geological framework, provides the best approach to unravel a dominant process controlling arc migration and shut-off. © 2021 Elsevier B.V.
关键词	Accretionary complex Arc migration Arc shut-off Crustal thickening Flat-slab Magmatism Plate convergence Slab steepening Slab window Subduction erosion Subduction zones Trench retreat
英文关键词	accretionary prism; crustal thickening; geodynamics; magmatism; plate convergence; slab; subduction; subduction zone
语种	英语
来源期刊	Earth Science Reviews
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/204031
作者单位	Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto Geofísico Sismológico Ing, Fernando Volponi (IGSV), Universidad Nacional de San Juan, San Juan, Argentina; Grupo de Sismotectónica, Centro de Investigaciones de la Geósfera y la Biósfera (CIGEOBIO) - CONICET, San Juan, Argentina
推荐引用方式 GB/T 7714	Gianni G.M.,Luján S.P.. Geodynamic controls on magmatic arc migration and quiescence[J],2021,218.
APA	Gianni G.M.,&Luján S.P..(2021).Geodynamic controls on magmatic arc migration and quiescence.Earth Science Reviews,218.
MLA	Gianni G.M.,et al."Geodynamic controls on magmatic arc migration and quiescence".Earth Science Reviews 218(2021).