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Early Cambrian granitoids of North Gondwana margin in the transition from a con...
Sánchez-García, Teresa; Pereira, M. Francisco; Bellido, F.; Chichorro, Martím A.; Silva, J. Brandão; Valverde-Vaquero, P.; Pin, Ch.; Solá, Ana RitaTwo distinct Cambrian magmatic pulses are recognized in the Ossa-Morena Zone (SW Iberia): an early rift-(ER) and a main rift-related event. This Cambrian magmatism is related to intra-continental rifting of North Gondwana that is thought to have culminated in the opening of the Rheic Ocean in Lower Ordovician times. New data of whole-rock geochemistry (19 samples), Sm–Nd–Sr isotopes (4 samples) and ID–TIMS U...
Provenance analysis of the Late Ediacaran basins from SW Iberia, Serie Negra Su...
Chichorro, Martím A.; Solá, Ana Rita; Pereira, Manuel Francisco Costa; Hofmann, Mandy; Linnemann, Ulf; Gerdes, Axel; Medina, Jorge; Lopes, L.
Provenance analysis of Lower Paleozoic siliciclastic rocks of SW Iberia (Ossa-M...
Pereira, Manuel Francisco Costa; Chichorro, Martím A.; Lopes, C.; Solá, Ana Rita; Silva, J. Brandão; Hofmann, Mandy; Linnemann, Ulf
Provenance of Cambro-Ordovician siliciclastic rocks of the SW Iberia : insights...
Solá, Ana Rita; Chichorro, Martím A.; Pereira, Manuel Francisco Costa; Hofmann, Mandy; Linnemann, Ulf; Gerdes, Axel; Medina, Jorge; Lopes, L.
Early carboniferous wrenching, exhumation of high-grade metamorphic rocks and b...
Pereira, M. Francisco; Chichorro, M.; Silva, J. Brandão; Ordonez-Casado, B.; Lee, James K.W.; Williams, Ian S.New U–Pb and 40Ar–39Ar geochronology and structural data from high- tomedium grade metamorphic shear zones of the Ossa-Morena Zone, and structural data from Early Carboniferous basins (Ossa-Morena Zone and South-Portuguese Zone), place additional constraints on the Variscan tectonics in SW Iberia. A zircon U–Pb age of 465±14Ma (Middle Ordovician) measured on migmatite from the Coimbra–Cordoba shear zone is inte...
Iberian paleogeography traced by U-Pb zircon ages of Ediacaran Cambrian rocks
Solá, Ana Rita; Pereira, Francisco; Chichorro, Martim; Lopes, Luís; Gerdes, Axel; Silva, J. Brandão
The provenance of Late Ediacaran and Early Ordovician siliciclastic rocks in th...
Pereira, Manuel Francisco Costa; Linnemann, Ulf; Hofmann, Mandy; Chichorro, Martim; Solá, Ana Rita; Medina, Jorge; Silva, J. Brandão
North-Gondwana assembly, break-up and paleogeography : U-Pb isotope evidence fr...
Pereira, Manuel Francisco Costa; Solá, Ana Rita; Chichorro, Martim; Lopes, L.; Gerdes, Axel; Silva, J. Brandão
Detrital zircons from a Late Palaeozoic accretionary complex of SW Iberia (Vari...
Pereira, Manuel Francisco Costa; Drost, K.; Chichorro, Martim; Silva, J. Brandão; Solá, Ana Rita
Detrital zircon age constraints on the sediment provenance of Variscan basins i...
Pereira, M. Francisco; Chichorro, Martim; Johnston, Stephen; Gutierrez-Alonso, Gabriel; Silva, J. Brandão; Linnemann, Ulf; Hofmann, MandyThe mid- to late-Devonian Rheic suture between the Laurussia and Gondwana blocks that combined to form Pangea, can be traced along the Variscan orogenic belt across Western-Central Europe. In southwest Iberia, there are, however, no magmatic arc rocks that can be related to the closure, by subduction of its oceanic lithosphere, of the Rheic Ocean. The only magmatism recorded on both sides of the suture is of ea...
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