[HTML][HTML] The evolution of the subcontinental mantle beneath the Central Iberian Zone: Geochemical tracking of its mafic magmatism from the Neoproterozoic to the …

C Villaseca, D Orejana, P Higueras, C Pérez-Soba… - Earth-Science …, 2022 - Elsevier
Continental lithosphere is modified over eons in response to large-scale tectonic processes,
such as rifting and collisions. The lithospheric mantle beneath central Iberia was affected by …

The Cambrian-Early Ordovician rift stage in the Gondwanan units of the Iberian Massif

T Sánchez-García, M Chichorro, AR Solá… - The Geology of Iberia: A …, 2019 - Springer
A rifting stage initiated the Variscan cycle in NW Gondwana, lasted from Terreneuvian to
Early Ordovician times and culminated in opening of the Rheic Ocean. The result of …

Ediacaran to Lower Ordovician age for rocks ascribed to the Schist–Graywacke Complex (Iberian Massif, Spain): Evidence from detrital zircon SHRIMP U–Pb …

C Talavera, P Montero, DM Poyatos, IS Williams - Gondwana Research, 2012 - Elsevier
New SHRIMP U–Pb ages of detrital zircon obtained from eight samples of Neoproterozoic to
Lower Paleozoic graywackes, schists, microconglomerates and shales provide the …

Computer programs for the classification and nomenclature of igneous rocks

SP Verma, MA Rivera-Gomez - Episodes, 2013 - indianjournalofcomputerscience …
We review the most important computer programs for the classification of igneous rocks and
point out those that follow the recommendations of the International Union of Geological …

U–Pb Zircon geochronology of the Cambro-Ordovician metagranites and metavolcanic rocks of central and NW Iberia

C Talavera, P Montero, F Bea… - International Journal of …, 2013 - Springer
New U–Pb zircon data from metagranites and metavolcanic rocks of the Schist-Graywacke
Complex Domain and the Schistose Domain of Galicia Tras-os-Montes Zone from central …

Contrasting chemical and isotopic signatures from Neoproterozoic metasedimentary rocks in the Central Iberian Zone (Spain) of pre-Variscan Europe: Implications for …

C Villaseca, E Merino, R Oyarzun, D Orejana… - Precambrian …, 2014 - Elsevier
Neoproterozoic metasedimentary units from central Spain and the northern Central Iberian
Zone (CIZ) show distinctive geochemical signatures with respect to the Schist-Greywacke …

Unfolding the arc: The use of pre-orogenic constraints to assess the evolution of the Variscan belt in Western Europe

JM Casas, JB Murphy - Tectonophysics, 2018 - Elsevier
We present a pre-orogenic, early Paleozoic, palinspastic reconstruction of the northern
Gondwana margin that was subsequently involved in the Late Paleozoic Variscan orogeny …

Zircon Hf signatures from granitic orthogneisses of the Spanish Central System: Significance and sources of the Cambro-Ordovician magmatism in the Iberian …

C Villaseca, EM Martínez, D Orejana, T Andersen… - Gondwana …, 2016 - Elsevier
Metagranitic orthogneisses are abundant in the Central Iberian Zone (CIZ). This felsic
magmatism has a highly peraluminous composition (A/CNK= 1.07–1.62) defining a typical S …

[HTML][HTML] Cambrian–early Ordovician volcanism across the South Armorican and Occitan domains of the Variscan Belt in France: Continental break-up and rifting of the …

A Pouclet, JJ Álvaro, JM Bardintzeff, AG Imaz… - Geoscience …, 2017 - Elsevier
Abstract The Cambrian–lower Ordovician volcanic units of the South Armorican and Occitan
domains are analysed in a tectonostratigraphic survey of the French Variscan Belt. The …

Magmatic evolution in the N-Gondwana margin related to the opening of the Rheic Ocean—evidence from the Upper Parautochthon of the Galicia-Trás-os-Montes …

Í Dias da Silva, R Díez Fernández… - International Journal of …, 2016 - Springer
Abstract LA-MC-ICP-MS U–Pb zircon ages and whole-rock geochemical data obtained from
volcanic rocks erupted in the northern margin of Gondwana provide new insights on the …