Abstract
The expedition to central and northern East Greenland in 1975 had 29 participants. Ten of these took part in the programme for uranium prospecting (Steenfelt, and Secher et al., this report) and 5 field teams studied the following subjects: the sedimentology of continental Trias in Scoresby. Land (Clemmensen & Andreasen, this report), the stratigraphy and structure of the lower Eleonore Bay Group sediments in the Alpefjord region (Caby, this report), the geochemistry of heavy metals in the Eleonore Bay Group, the Caledonian crystalline complex in relation to older crystalline rocks (Frederichsen & Higgins, this report), and finally the Quaternary deposits around CIavering Ø.
Highlights
The expedition to central and northern East Greenland in 1975 had 29 participants
Recent regional mapping and isotopic studies in the Scoresby Sund region indicate that the main development ofthe crystalline complexes relate to Archaean and Proterozoic orogenesis, with a relatively superficial Caledonian overprint (Henriksen & . .Higgins, 1976)
Attention was given to crystalIine units which might· have similarities with those of the Scoresby Sund region, inciuding the three main infracrustal complexes (GIetscherIand migmatite complex, Niggli Spids migmatite dorne, Hagar migmatite sheet) which have usually been regarded as deep
Summary
The expedition to central and northern East Greenland in 1975 had 29 participants. Ten of these took part in the programme for uranium prospecting (Steenfelt, and Secher et al, this report) and 5 field teams studied the following subjects: the sedimentology of continental Land (Clemmensen & Andreasen, this report), the stratigraphy and
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