Articles | Volume 11, issue 6
Solid Earth, 11, 2303–2325, 2020
https://doi.org/10.5194/se-11-2303-2020

Special issue: The Iberian Massif in the frame of the European Variscan...

Solid Earth, 11, 2303–2325, 2020
https://doi.org/10.5194/se-11-2303-2020

Research article 30 Nov 2020

Research article | 30 Nov 2020

Unraveling the origins and P-T-t evolution of the allochthonous Sobrado unit (Órdenes Complex, NW Spain) using combined U–Pb titanite, monazite and zircon geochronology and rare-earth element (REE) geochemistry

José Manuel Benítez-Pérez et al.

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Latest update: 25 Jan 2022
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Short summary
The Sobrado unit represents an allochthonous tectonic slice of exhumed high-grade metamorphic rocks formed during a complex sequence of orogenic processes in the middle to lower crust. We have combined U–Pb geochronology and REE analyses (LASS-ICP-MS) of accessory minerals in migmatitic paragneiss (monazite, zircon) and mylonitic amphibolites (titanite) to constrain the evolution. A Middle Devonian minimum age for HP metamorphism has been obtained.