Abstract

In 1977 field work was concerned with the lujavrites and kakortokites of the south-eastern part of the Ilimaussaq alkaline intrusion (see Andersen & Bohse, this report), pegmatites and veins within the intrusion, the Narssaq intrusion situated to the west of the Ilimaussaq intrusion, and the environmental geochemistry and the ecology of the Narssaq region. Preliminary results of the field work and of some of the laboratory investigations are reported below. It should also be mentioned that a diamond drilling programme was carried out in the uraniferous rocks of the Kvanefjeld area in the northern part of the Ilimaussaq intrusion (see Nyegaard, this report).

Highlights

  • Ferguson, J. 1964: Geology of the llimaussaq alkaline intrusion, South Greenland

  • The area mapped in 1977 comprises essentiaIly the same rock types as described previously (Rose-Hansen & Sørensen, 1977, p. 73)

  • The podsolie soils developed on alluvial deposits and granitic parent material show a wider range

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Summary

Introduction

J. 1964: Geology of the llimaussaq alkaline intrusion, South Greenland. Description of map and structure. It should be mentioned that a diamond drilling programme was carried out in the uraniferous rocks of the Kvanefjeld area in the northern part of the Ilimaussaq intrusion (see Nyegaard, this report). The area mapped in 1977 comprises essentiaIly the same rock types as described previously The field work comprised: (1) Continuous registration of a number of climatological and hydrological parameters and coIlecting of water samples from streams and precipitation.

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