Reconnaissance mapping for the 1:500 000 map sheet in the Godthåb–Isua region, southern West Greenland

Abstract

A two summer reconnaissance mapping programme covering the region east of Godthåb and Sukkertoppen was started in 1976 in order to complete the field work for the 1:500000 map sheet Frederikshåb Isblink - Søndre Strømfjord (62° 30'-66° 45'N). Most of the coastal areas have been visited previously and the earliest results were published as a reconnaissance map (Noe-Nygaard & Ramberg, 1961). The area immediately north of Itivnera was mapped by Walton in 1975 (Walton, 1976), and the area around Isukasia was mapped by Allaart in 1974 and 1975 (Allaart, 1975, 1976). During the 1976 summer the folIowing areas were covered: south of the fjord Ameragdla, around the inner parts of Godthåbsfjord and to the north along the edge ofthe Inland Ice to Isua, and between Godthåbsfjord and Fiskefjord (fig. 14). At the same time C. R. L. Friend & R. P. Hall (see this report) carried out more detailed mapping of the Ivisârtoq area. The mapping team of four geologists was supported by two Bell G 3 helicopters that operated from a base camp established at the reindeer station Itivnera. Transport of equipment, fuel and personnel was by GGU motor cutter F. Johnstrup.