Calc-alkaline lamprophyre - Resultats de la cerca - Dipòsit Digital de Documents de la UAB

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Resultats globals: 3 registres trobats en 0.02 segons.
Articles, 3 registres trobats

Articles	3 registres trobats

17 p, 5.0 MB

Allanite in Variscan Post-Collisional Lamprophyre Dykes from Les Guilleries (NE Iberia) as a Part of Rare Earth Elements Recycling in Collisional Orogens / Mellado, Esteban (Universitat Autònoma de Barcelona. Departament de Geologia) ; Corbella i Cordomí, Mercè (Universitat Autònoma de Barcelona. Departament de Geologia) ; Kylander-Clark, Andrew (University of California. Department of Earth Science)
Recent studies of Late Permian calc-alkaline lamprophyre dykes located in the Les Guilleries Paleozoic massif of the Catalan Coastal Range have revealed that allanite is present as the main REE-bearing accessory phase, which is the object of this study. [...]
2022 - DOI (Digital Object Identifier)

10.3390/min12080954
Minerals, Vol. 12, Issue 8 (August 2022) , art. 954

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23 p, 9.6 MB

The enriched Variscan lithosphere of NE Iberia : data from postcollisional Permian calc-alkaline lamprophyre dykes of Les Guilleries / Mellado, Esteban (Universitat Autònoma de Barcelona. Departament de Geologia) ; Corbella i Cordomí, Mercè (Universitat Autònoma de Barcelona. Departament de Geologia) ; Navarro Ciurana, Didac (Universitat Autònoma de Barcelona. Departament de Geologia) ; Kylander-Clark, Andrew (University of California)
Post-collisional mafic dykes crosscut the Paleozoic metamorphic basement and late-Variscan plutons in Les Guilleries massif (Catalan Coastal Ranges, NE Iberia). The predominance of mafic phenocrysts, porphyritic texture, abundant amphibole, high MgO and volatile content, together with crustal-like trace-element patterns indicate that the dykes correspond to calc-alkaline lamprophyres, mainly spessartites. [...]
2021 - DOI (Digital Object Identifier)

10.1344/GeologicaActa2021.19.15
Geologica acta, Vol. 19 (2021) , p. 1-23 (Articles)

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19 p, 5.2 MB

Petrography and geochemistry of late- to post-Variscan vaugnerite series rocks and calc-alkaline lamprophyres within a cordierite-bearing monzogranite (the Sierra Bermeja Pluton, southern Iberian Massif) / Errandonea, Jon (Universidad del País Vasco. Departamento de Mineralogía y Petrología) ; Sarrionandia Eguidazu, Fernando (Universidad del País Vasco. Departamento de Geología) ; Carracedo-Sánchez, Manuel (Department of Mineralogy and Petrology, Faculty of Science and Technology, University of the Basque Country (UPV/EHU)) ; Gil Ibarguchi, José Ignacio (Universidad del País Vasco. Departamento de Mineralogía y Petrología) ; Eguiluz Alarcón, Luis (Universidad del País Vasco. Departamento de Geología)
The Sierra Bermeja Pluton (southern Central Iberian Zone, Iberian Massif) is a late-Variscan intrusive constituted by cordierite-bearing peraluminous monzogranites. Detailed field mapping has allowed to disclose the presence of several NE-SW trending longitudinal composite bodies, formed by either aphanitic or phaneritic mesocratic rocks. [...]
2018 - DOI (Digital Object Identifier)

10.1344/GeologicaActa2018.16.3.1
Geologica acta, Vol. 16 Núm. 3 (September 2018) , p. 237-255 (Articles)

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