Three types of border relation between supracrustal and infracrustal rocks are described from South-West Greenland. In the Ravns Storø area a largely volcanic series, possibly equivalent in age to the Tartoq Group, passes downwards into the underlying gneisses via a transitional migmatite front. The supracrustal bedding passes conformably downwards into the geneissic foliation and there is a progressive downward increase in metamorphic grade and degree of mineral orientation.
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- Programområde 4: Mineralske råstoffer