Tectonic history of the Hercynian Armorican Shear belt (Brittany, France) - BRGM - Bureau de recherches géologiques et minières Access content directly
Journal Articles Geodinamica Acta Year : 2012

Tectonic history of the Hercynian Armorican Shear belt (Brittany, France)

Abstract

The Hercynian Armorican belt is made of different tectonic domains separated by large-scale shear zones. One of these domains, Central Brittany, was deformed by regional pervasive dextral strike-slip during Carboniferous times. This paper examines implications that the restoration of ductile strain within Central Brittany has on the deformation history along its boundaries and within adjacent domains. Data used for the analysis include surface structural features and recent deep seismic data. A good consistency is observed between model implications and available geological and structural data. Results lead to a reappraisal of the Carboniferous history of the Armorican belt, including relationships between tectonics, plutonism and basin development. They further emphasize the usefulness of restoration for integrated tectonic analysis of crustal-scale deformation zones.
Fichier principal
Vignette du fichier
Tectonic history of the Hercynian Armorican Shear belt Brittany France.pdf (13.08 Mo) Télécharger le fichier
Origin : Publisher files allowed on an open archive

Dates and versions

hal-03794216 , version 1 (03-10-2022)

Identifiers

Cite

C. Gumiaux, D. Gapais, J.P. Brun, J. Chantraine, G. Ruffet. Tectonic history of the Hercynian Armorican Shear belt (Brittany, France). Geodinamica Acta, 2012, 17 (4), pp.289-307. ⟨10.3166/ga.17.289-307⟩. ⟨hal-03794216⟩
39 View
24 Download

Altmetric

Share

Gmail Facebook X LinkedIn More