Cambrian ensialic rift-related magmatism in the Ossa-Morena Zone (Evora-Aracena metamorphic belt, SW Iberian Massif): Sm-Nd isotopes and SHRIMP zircon U-Th-Pb geochronology

Chichorro, MartimPereira, M. FranciscoDiaz-Azpiroz, ManuelWilliams, IanFernandez, CarlosPin, C.Silva, Jose B.2015-12-130040-1951http://hdl.handle.net/1885/82395The Late Ediacaran (c. 560-550 Ma) Série Negra sediments of the Évora-Aracena metamorphic belt, Ossa-Morena Zone, SW Iberian Massif, preserve a record of the erosion of an Avalonian-Cadomian magmatic arc and subsequent related turbiditic sedimentation.Keywords: Cadomian orogeny; Cambrian; crustal contamination; geochronology; magmatism; partial melting; rifting; SHRIMP dating; thorium; uranium-lead dating; zircon; Eurasia; Europe; Iberian Massif; Iberian Peninsula; Ossa Morena Zone; Southern Europe Cambrian; Ensialic rifting; Ossa-Morena Zone; Rheic Ocean; SHRIMP U-Th-Pb zircon datingCambrian ensialic rift-related magmatism in the Ossa-Morena Zone (Evora-Aracena metamorphic belt, SW Iberian Massif): Sm-Nd isotopes and SHRIMP zircon U-Th-Pb geochronology200810.1016/j.tecto.2008.01.0082016-02-24