globalchange  > 影响、适应和脆弱性
DOI: 10.1007/s00531-014-1127-1
Scopus记录号: 2-s2.0-84929708199
论文题名:
The Late Neoproterozoic magmatism in the Ediacaran series of the Eastern Pyrenees: new ages and isotope geochemistry
作者: Casas J.M.; Navidad M.; Castiñeiras P.; Liesa M.; Aguilar C.; Carreras J.; Hofmann M.; Gärtner A.; Linnemann U.
刊名: International Journal of Earth Sciences
ISSN: 14373254
出版年: 2015
卷: 104, 期:4
起始页码: 909
结束页码: 925
语种: 英语
英文关键词: Cadomian ; Ediacaran magmatism ; Pyrenees ; Sr–Nd isotopes ; U–Pb zircon geochronology
Scopus关键词: Ediacaran ; geochemistry ; geochronology ; magmatism ; neodymium isotope ; Proterozoic ; strontium isotope ; uranium-lead dating ; zircon ; Pyrenees
英文摘要: Geochronological U–Pb (LA-ICP-MS), geochemical and isotopic data from metavolcanic felsic rocks of the Canigó and Cap de Creus massifs in the Eastern Pyrenees provide evidence of an Ediacaran magmatic event lasting 30 Ma in NE Iberia. These data also constrain the age of the Late Neoproterozoic succession in the Cap de Creus massif, where depositional ages range from 577 to 558 Ma, and in the Canigó massif, where the data (575–568 Ma) represent minimum ages. The geochemistry of the felsic rocks indicates that they were formed in a back-arc environment and they record a fragment of a long-lived subduction-related magmatic arc (620–520 Ma) in the active northern Gondwana margin. The homogeneity shown by all these crustal fragments along this margin suggests that the individualization of the Pyrenean basement from the Iberian Massif started later, probably during its transition from an active to a passive margin in Cambro–Ordovician times. © 2014, Springer-Verlag Berlin Heidelberg.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84929708199&doi=10.1007%2fs00531-014-1127-1&partnerID=40&md5=e3013aec9edf2e3535ed114ee27e416f
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/70222
Appears in Collections:影响、适应和脆弱性
气候减缓与适应

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作者单位: Departament de Geodinàmica i Geofísica-Institut de Recerca GEOMODELS, Universitat de Barcelona (UB), Martí i Franquès s/n, Barcelona, Spain; Departamento de Petrología y Geoquímica, Universidad Complutense de Madrid, Madrid, Spain; Departament de Geoquímica, Petrologia i Prospecció Geològica, Universitat de Barcelona (UB), Martí i Franquès s/n, Barcelona, Spain; Departamento de Geologia, Universidade Federal de Ouro Preto, Ouro Prêto, MG, Brazil; Departament de Geologia, Universitat Autònoma de Barcelona (UAB), Bellaterra (Cerdanyola Del Vallès), Spain; Senckenberg Naturhistorische Sammlungen Dresden, Museum für Mineralogie und Geologie, Sektion Geochronologie, Königsbrücker Landstraße 159, Dresden, Germany

Recommended Citation:
Casas J.M.,Navidad M.,Castiñeiras P.,et al. The Late Neoproterozoic magmatism in the Ediacaran series of the Eastern Pyrenees: new ages and isotope geochemistry[J]. International Journal of Earth Sciences,2015-01-01,104(4)
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