Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/7618
AuthorsKAHOUI, Mohammed* 
DELLA VENTURA, Giancarlo* 
MAHDJOUB, Yamina* 
BELLATRECCIA, Fabio* 
Cavallo, Andrea* 
LOUNI, Chahira* 
TitleTH, U, REE MINERALS IN THE GARA ADJEMAMAYE PERALKALINE GRANITE (CENTRAL HOGGAR, ALGERIA)
Issue Date2011
URIhttp://hdl.handle.net/2122/7618
KeywordsTh, U, REE
peralkaline granite
Subject Classification04. Solid Earth::04.04. Geology::04.04.05. Mineralogy and petrology 
AbstractThe Gara Adjemamaye peralkaline granite outcrops in the Egere-Aleksod terrane (central Hoggar). The main facies is a grey to cream heterogranular rock composed of quartz, mesoperthite, sodi-calcic amphibole, sodic pyroxene, annitic biotite, opaques, Fe-Ti oxides, zircon and abundant (Th, U, REE) bearing minerals. The latter are often finely dispersed in veins crossing the rock, suggesting crystallization due to extensive late-stage remobilization. This work represents a contribution to the crystal-chemistry of these rare minerals and the metasomatic mobility of incompatible elements such as Ti, Zr and REE in igneous environments.
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