The geochronology of the Scoresby Sund area Progress report 3: zircon ages

Abstract

The crystalline complex around Nordvestfjord was mapped in 1968 and 1969 (Henriksen & Higgins, 1969, 1970) and a number of geological key samples from this area were collected for zircon age determinations. In order to avoid polymetamorphie rocks, mainly granites were colleeted for this purpose. Up to now more than 15 zircon fractions from four localities have been analysed and the preliminary results for three of these are discussed in this report. The actual age determinations have been carried out at the "Institut für Kristallographie und Petrographie" of the "Eidg. Teehnische Hochsehule" in Zurich.