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Title: The Finisterra-Léon-Mid German Cristalline Rise Domain; Proposal of a New Terrane in the Variscan Chain
Authors: Moreira, Noel
Romão, José
Dias, Rui
Ribeiro, António
Pedro, Jorge
Editors: Quesada, Cecilio
Oliveira, José Tomás
Keywords: Finisterra Terrane
Porto- Tomar-Ferreira do Alentejo Shear Zone
Issue Date: 2019
Publisher: Springer Nature Switzerland AG 2019 C. Quesada and J. T. Oliveira (eds.), The Geology of Iberia: A Geodynamic Approach, Regional Geology Reviews
Citation: Moreira N., Romão J., Dias R., Ribeiro A., Pedro J. (2019) The Finisterra-Léon-Mid German Cristalline Rise Domain; Proposal of a New Terrane in the Variscan Chain. In: Quesada C., Oliveira J. (eds) The Geology of Iberia: A Geodynamic Approach. Regional Geology Reviews. Springer, Cham
Abstract: This chapter characterizes the Finisterra Terrane, enhancing its differences from the neighbouring Iberian Terrane. The contact between these terranes is the Porto- Tomar-Ferreira do Alentejo Shear Zone, a major lithospheric structure whose complex Variscan evolution remains debatable. The lithostratigraphic, tectonometamorphic and magmatic features observed in the Finisterra Terrane show that it was an independent terrane during the Devonian. This situation changed during the Mississippian, when the main features of the Finisterra and the Iberian Terranes became similar, which indicates that both terranes evolved together since the Carboniferous times. The similarities of the Finisterra Terrane with the Central European Variscan domains, namely the Léon Block and the Mid-German Crystalline Rise, enable us to propose a new tectono-stratigraphic terrane (Finisterra-León-MGCR Terrane), which defines an arcuate pattern compatible with the Ibero-Armorican Arc.
Type: bookPart
Appears in Collections:GEO - Publicações - Capítulos de Livros

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