Franz Kockel:

Structural and Palaeogeographical Development of the German North Sea Sector

1995. VIII, 96 pages, 7 figures, 16 enclosures, 17x25cm, 1750 g
Language: English

(Beiträge zur regionalen Geologie der Erde, Band 26)

ISBN 978-3-443-11026-0, in a box, price: 97.00 €

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geologypalaeogeographyNorth SeaGermany


Content Description top ↑

This volume documents the present state of knowledge of the geology of the German North Sea sector. The geological synthesis is based on a large amount of geophysical and geological data. High quality data were available from a comprehensive network of seismic lines shot between 1972 and 1989 (avg. line distance: 2 km).

The seismic data were geologically interpreted by integrating the well data of 32 offshore boreholes as well as data from wells in the three miles zone off Germany and onshore wells. The bulk of these data is from industrial sources previously unavailable. Lithostratigraphical and log-correlation of the offshore area with the well known onshore Permian, Mesozoic and Tertiary sequences are well established in detail. Also, new gamma ray measurements along the Helgoland Buntsandstein cliffs have been incorporated in order to correlate these outcrops with the subsurface lithological sequence of the LowerTriassic.

The results of these investigations are documented on 14 large format structural maps, one coloured subcrop map and 12 coloured geological sections. They enable the reader to quickly understand the structural framework of the region. The accompanying text is divided into a brief outline of the structural units of the studied region, a review of the paleogeographical and structural development and a detailed description of the individual post-Permian structures of the region.

Contents top ↑

1. Introduction 1
2. Exploration history of the German North Sea sector 2
3. Regional setting 4
4. The structural units of the German North Sea sector 5
4.1 The Central Graben 5
4.2 The Schillgrund High, the East North Sea Block and its southeastern extensions 6
4.3 The Horngraben system 6
4.4 The East Frisia - Ems Estuary region 8
4.5 The Central Northwest German Basin 9
4.6 The West Schleswig Block 10
4.7 The western margin of the Glückstadt-Graben 10
4.8 The southern margin of the Ringköbing - Fyn High 11
5. The palaeogeographical and structural development of the German
North Sea sector and adjacent areas 11
5.1 The pre-Permian sediments 11
5.2 Permian 17
5.2.1 Lower Permian (Rotliegend) (r) 17
5.2.2 Upper Permian (Zechstein) (z) 19
5.3 Triassic 21
5.3.1 Lower and Middle Buntsandstein (Skythian) (su+sm) 21
5.3.2 Solling Formation (smS), Röt (so) and Muschelkalk (m) 22
5.3.3 Keuper (k) 22
5.4 Lower and Middle Jurassic (ju, jm) 23
5.5 Late Jurassic - Ryazanian (jo, Wd) 24
5.6 Lower Cretaceous (kru) 25
5.7 Upper Cretaceous (kro) 25
5.8 Tertiary (t) 26
6. Literature 28
7. Supplement 36
7.1 Introduction 36
7.2 The post-Permian structures 37