Detailed mapping in the southern part of the Ilímaussaq intrusion (Kangerdluarssuk fjord)

Abstract

Detailed mapping at a scale of 1:10 000 of an area around the head of the Kangerdluarssuk fjord in the southern half of the Ilimaussaq intrusion was made. The purpose of this was to map accurately the relations of naujaite inclusions in the lujavrites. During the work it became clear that a detailed study of the transitions between the lujavrites and kakortokites was of much greater importance. The reader is referred to Ferguson (1970, p. 338) for a summary of the previous ideas about the origin of the lujavrites.