Abstract

Description is given of the structural pattern in the southern part of the North Greenland fold belt between northern Nyeboe Land and Adolf Jensen Fjord. The structures prove to be of thin-skinned fold-and-thrust type with southeriy vergence, quite distinct from that of the north-verging, multiply deforrned orthotectonic zone to the north.

Highlights

  • Description is given of the structural pattern in the southern part of the North Greenland fold belt between northern Nyeboe Land and Adolf Jensen Fjord

  • The orthotectonic zone of the North Greenland fold belt, which coincides with the position of the deep-water, Lower Palaeozoic, North Greenland basin (Surlyk & Hurst, 1983, 1984), is characterised by several phases of northerly overturned E-W trending folds (Soper et al, 1980; Higgins et al, 1981, 1982); the northward overturning is, less pronounced in Nansen Land than in areas farther east (Friderichsen & Bengaard, 1985)

  • It is bounded to the south by the Navarana Fjord lineament, which represents the position to which the platform margin had retreatcd by carly SiJurian time (SurJyk & Hurst, 1983, 1984)

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Summary

NAR E

Trace af principal struc(ures in the thin-skinncd fold-and-thrust zone. Trace af Nycboe Land syncline after Larsen & Escher (1985), and Navarana Fjord lineament after Surlyk & Hurst (1984) and photogeological studies. 3 f01low the east side of Adolf Jensen Fjord Thc cross~scction uf fig. 3 f01low the east side of Adolf Jensen Fjord

Stratigraphic control of the strueture
Eml CHERTfSHALE
HA S TAVSENS IS KAPPE
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