Fractionation and Assimilation Processes in the Alkaline Augite Syenite Unit of the Ilimaussaq Intrusion, South Greenland, as Deduced from Phase Equilibria

• Published in: Journal of Petrology
• Main Authors: MARKS, MICHAEL, MARKL, GREGOR
• Format: Text
• Language: English
• Published: Oxford University Press 2001
• Subjects: ARTICLES; Greenland; Ilimaussaq; Wall Rocks
• Online Access: http://petrology.oxfordjournals.org/cgi/content/short/42/10/1947; https://doi.org/10.1093/petrology/42.10.1947

The early augite syenite unit in the 1·13-Ga-old Il i ´ maussaq intrusive complex, South Greenland, consists of a magmatic assemblage of ternary alkali feldspar + fayalitic olivine + augite + titanomagnetite + apatite + baddeleyite ± nepheline ± quartz ± ilmenite ± zircon. Feldspar, nepheline and QU...