Emplacement processes and cooling history of layered cyclic unit II-7 from the Lovozero alkaline massif (Kola Peninsula, Russia)

Apatite-group minerals from nepheline syenite, Pilansberg alkaline complex, South Africa

“…Flow-alignment of alkali feldspar, albite and aegirine phenocrysts imparts a foliated trachytic texture ( Fig. 2a), identical to that of type-locality lujavrite at Lovozero (Ramsay, 1890;Féménias et al, 2005). All of the 'green foyaites' which consist of alkali feldspar, albite, nepheline, sodalite, aegirine, eudialyte and sodic amphibole as primary minerals, are termed lujavrite in this work, regardless of their texture.…”

Emplacement and geochemical evolution of highly evolved syenites investigated by a combined structural and geochemical field study: The lujavrites of the Ilímaussaq complex, SW Greenland

“…Bouchez et al, 1990;Féménias et al, 2005;Koukouvelas and Kokkalas, 2003;Nicolas, 1992;Paterson et al, 1998;Vigneresse, 1995).…”

Rare Earth Mineralization in Igneous Rocks: Sources and Processes

“…Ilímaussaq in Greenland) offer compelling geochemical and geophysical evidence for a transient, deep-seated magma chamber where initial differentiation occurred (Sørensen 2006), whereas in other cases (e.g. Lovozero), geochemical data are at odds with geophysical models (cf Arzamastsev et al 2001;Féménias et al 2005). Plutonic feldspathoid syenites and their (sub)volcanic counterparts, phonolites, are the most voluminous products of magma evolution.…”