Ilimaussaq intrusive complex
Greenland · Americas
About
The Ilimaussaq intrusive complex is a large alkalic layered intrusion located on the southwest coast of Greenland. It is Mesoproterozoic in age, about 1.16 Ga. It is the type locality of agpaitic nepheline syenite and hosts a variety of unusual rock types.
Adapted from Wikipedia (CC BY-SA). Photography via Wikimedia Commons.