气候变化领域集成服务门户(CCPortal): Short-duration regional metamorphic event recorded in a Variscan subduction channel (Malpica

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DOI	10.1007/s00531-019-01747-1
	Short-duration regional metamorphic event recorded in a Variscan subduction channel (Malpica–Tui eclogites; NW Iberia)
	Beranoaguirre A.; Puelles P.; Ábalos B.; Gil Ibarguchi J.I.; García de Madinabeitia S.
发表日期	2019
ISSN	14373254
起始页码	2037
结束页码	2046
卷号	108 期号:6
英文摘要	An isotopic resetting event is disclosed at ca. 350 Ma, based on Rb–Sr isotopic analyses (whole rock, garnet, clinopyroxene and phengite fractions) of eclogites with coronitic garnet and planolinear eclogites from the Malpica–Tui Allochthonous Complex (NW Iberia). The eclogites were buried, deformed/recrystallized and subsequently exhumed in a Late Devonian subduction channel. Lu–Hf and Sm–Nd isotopes date a ca. 375-Ma metamorphic peak of the subduction–exhumation cycle that occurred under ~ 2.6 GPa and 610–640 °C and was overprinted by the 350-Ma event, which occurred still under high-pressure conditions. The latter resetting is interpreted as a very short-duration regional metamorphic phenomenon recorded by high-pressure rocks in the west European Variscan belt at time scales shorter than those characteristic of orogenic lithosphere in subduction/collision cycles. © 2019, Geologische Vereinigung e.V. (GV).
英文关键词	Eclogite; Malpica–Tui; NW Iberia; Petrochronology; Variscan
语种	英语
scopus关键词	eclogite; geochronology; Hercynian orogeny; high pressure; orogenic belt; P-T conditions; petrology; regional metamorphism; subduction zone; Iberian Peninsula
来源期刊	International Journal of Earth Sciences
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/147795
作者单位	Área de Laboratorios, Instituto Geológico y Minero de España, C/La Calera, 1, Tres Cantos, Madrid, 28760, Spain; Departamento de Geodinámica, Universidad del País Vasco, UPV/EHU, PO Box 644, Bilbao, 48080, Spain; Departamento de Mineralogía y Petrología, Universidad del País Vasco, UPV/EHU, PO Box 644, Bilbao, 48080, Spain; Institut für Geowissenschaften, Goethe-Universität, Altenhöferallee 1, Frankfurt am Main, 60438, Germany
推荐引用方式 GB/T 7714	Beranoaguirre A.,Puelles P.,Ábalos B.,等. Short-duration regional metamorphic event recorded in a Variscan subduction channel (Malpica–Tui eclogites; NW Iberia)[J],2019,108(6).
APA	Beranoaguirre A.,Puelles P.,Ábalos B.,Gil Ibarguchi J.I.,&García de Madinabeitia S..(2019).Short-duration regional metamorphic event recorded in a Variscan subduction channel (Malpica–Tui eclogites; NW Iberia).International Journal of Earth Sciences,108(6).
MLA	Beranoaguirre A.,et al."Short-duration regional metamorphic event recorded in a Variscan subduction channel (Malpica–Tui eclogites; NW Iberia)".International Journal of Earth Sciences 108.6(2019).