Petrogenesis of magmatic albite granites associated to cogenetic A-type granites: Na-rich residual melt extraction from a partially crystallized A-type granite mush

Petrogenesis of magmatic albite granites associated to cogenetic A-type granites: Na-rich residual melt extraction from a partially crystallized A-type granite mush

The uncommon association of cogenetic and nearly contemporaneous potassic K-feldspar A-type granites and sodic albite granites is observed within the 347Ma-old bimodal Saint-Jean-du-Doigt (SJDD) intrusion, Brittany, France. A-type granites outcrop as small bodies (

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Veröffentlicht in:Lithos 2013-09, Vol.177, p.328-351
Hauptverfasser: Barboni, Mélanie, Bussy, François
Format: Artikel
Sprache:eng
Schlagworte:
A-type granite
Albite granite
Liquid extraction
Plagioclase remelting
Residual melt
Variscan belt
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Beschreibung
Zusammenfassung:The uncommon association of cogenetic and nearly contemporaneous potassic K-feldspar A-type granites and sodic albite granites is observed within the 347Ma-old bimodal Saint-Jean-du-Doigt (SJDD) intrusion, Brittany, France. A-type granites outcrop as small bodies (
ISSN:0024-4937
1872-6143
DOI:10.1016/j.lithos.2013.07.005