Petrogenetic relationships between Variscan granitoids and Li-(FP)-rich aplite-pegmatites in the Central Iberian Zone: Geological and geochemical constraints and …

E Roda-Robles, C Villaseca, A Pesquera… - Ore Geology …, 2018 - Elsevier
Abstract The Central Iberian Zone (CIZ) is characterised by a large volume of Variscan
granitic intrusions, which can be grouped into five types:(1) two-mica peraluminous …

[HTML][HTML] Chronostratigraphic and palaeogeographic significance of an early Cambrian microfauna from the Heraultia Limestone, northern Montagne Noire, France

L Devaere, S Clausen, M Steiner, JJ Álvaro, D Vachard - 2013 - palaeo-electronica.org
ABSTRACT Abundant and diverse Small Shelly Fossils (SSFs) have been reported in
Northern Montagne Noire (Southern France) since the last 20 th century from early …

Updated stratigraphic framework and biota of the Ediacaran and Terreneuvian in the Alcudia-Toledo Mountains of the Central Iberian Zone, Spain

JJ Álvaro, I Cortijo, S Jensen, S Lorenzo Álvarez… - 2019 - docta.ucm.es
An updated stratigraphic subdivision of the Ediacaran and Terreneuvian in the Alcudia
valley and the Toledo Mountains, Central Iberian Zone, is documented here. The Lower …

Ediacaran–Cambrian phosphorites from the western margins of Gondwana and Baltica

JJ Álvaro, GA Shields‐Zhou, P Ahlberg… - …, 2016 - Wiley Online Library
Abstract The late Ediacaran–mid Cambrian occurrences of phosphorites in the western
Mediterranean region (West Gondwana) and southern Sweden (north‐west Baltica) are …

Hydrothermal phosphate vein-type ores from the southern Central Iberian Zone, Spain: Evidence for their relationship to granites and Neoproterozoic …

E Vindel, E Chicharro, C Villaseca, JÁ López-García… - Ore Geology …, 2014 - Elsevier
Hydrothermal quartz–apatite veins, called “Iberian-type”, occur exclusively in the southern
Central Iberian Zone. This study presents a multidisciplinary approach leading to the …

[HTML][HTML] Terreneuvian skeletonized microfossils from the Central Iberian Zone (Spain) and correlation of the Fortunian Stage throughout southwestern Europe

JJ Álvaro, S Lorenzo, L Devaere, LV Warren - Palaeoworld, 2024 - Elsevier
Abstract During the Ediacaran–Cambrian boundary interval, the Iberian margin of West
Gondwana recorded oceanic upwelling and phosphogenesis favouring the preservation of …

Origin of cordierite-bearing granites by assimilation in the Central Iberian Massif (CIM), Spain

JM Ugidos, C Recio - Chemical Geology, 1993 - Elsevier
Abstract The Central Iberian Massif (CIM) is characterized by the great abundance and
variety of granitoids emplaced during Hercynian times. One of the most conspicuous is …

Cadomian orogenic collapse in the Ibor and Alcudia anticlines of the Central Iberian Zone, Spain

JJ Álvaro, S Lorenzo - Geological Magazine, 2022 - cambridge.org
In the Central Iberian Zone, the Cadomian orogenic collapse is represented by chaotic
megabreccias, olistostromes and mélange deposits reflecting a drastic change from slope …

Revised biochronology of the Lower Cambrian of the Central Iberian zone, southern Iberian massif, Spain

S Jensen, T Palacios, MM Mus - Geological Magazine, 2010 - cambridge.org
Trilobites from the upper unit of the Lower Cambrian Pusa Formation (south-central Spain)
substantially antedate other Iberian trilobites, according to widely published correlation …

Revisiting the phosphorite deposit of Fontanarejo (central Spain): new window into the early Cambrian evolution of sponges and the microbial origin of phosphorites

J Reitner, C Luo, P Suarez-Gonzalez… - Geological …, 2022 - cambridge.org
Fossils within early Cambrian phosphorites worldwide are often well preserved due to early
diagenetic permineralization. Here, we examine the fossil record contained within …