Geological Survey of Denmark and Greenland Bulletin 10 - 2006


Review of Survey activities 2005

Editors: Martin Sønderholm & A.K. Higgins

The Review of Survey activities presents a selection of 15 papers reflecting the wide spectrum of activities of the Geological Survey of Denmark and Greenland, from the microscopic to the plate tectonic level.

Activities in Denmark: The Survey's field of activities in Denmark is illustrated by four papers on petroleum- and groundwater-related topics.

Activities in Greenland: The Survey's activities in Greenland and the North Atlantic are covered by ten articles focusing on investigations related to mineral and petroleum exploration and climate research in the Arctic Ocean. Two papers deal with technical aspects of microanalysis by laser ablation techniques and their use in sediment provenance analysis.

Activities in other countries: During 2005, the Survey carried out work in more than 20 countries outside Denmark, Greenland and the Faroe Islands. This volume includes an account of a project on developing an environmental sensitivity atlas for the coastal areas of Kenya.


Colophon, Contents, Review of Survey activities (pdf, 0.9)
Adam A. Garde

Activities in Denmark

Stratigraphy and palaeoceanography of upper Maastrichtian chalks, southern Danish Central Graben (pdf, 0.3 Mb)
J.R. Ineson, B. Buchardt, S. Lassen, J.A. Rasmussen, P. Schiøler, N.H. Schovsbo, E. Sheldon and F. Surlyk


Shallow core drilling of the Upper Cretaceous Chalk at Stevns Klint, Denmark (pdf, 0.3 Mb)
L. Stemmerik, F. Surlyk, K. Klitten, S.L. Rasmussen and N. Schovsbo


Spit-systems - an overlooked target in hydrocarbon exploration: the Holocene to Recent Skagen Odde, Denmark (pdf, 0.5 Mb)
P.N. Johannessen and L.H. Nielsen


Construction of 3D geological models in glacial deposits to characterise migration of pollution (pdf, 0.4 Mb) 
K.E.S. Klint, F. von Platen-Hallermund and M. Christophersen

Activities in Greenland and the North Atlantic

Advanced in situ geochronological and trace element microanalysis by laser ablation techniques (pdf, 0.2 Mb)
D. Frei, J.A. Hollis, A. Gerdes, D. Harlov, C. Karlsson, P. Vasquez, G. Franz, L. Johansson and C. Knudsen


East Greenland and Faroe-Shetland sediment provenance and palaeogene sand dispersal systems (pdf, 0.3 Mb)
M. Larsen, C. Knudsen, D. Frei, M. Frei, T. Rasmussen and A.G. Whitham


Continental crust in the Davis Strait: new evidence from seabed sampling (pdf, 0.2 Mb)
F. Dalhoff, L.M. Larsen, J.R. Ineson, S. Stouge, J.A. Bojesen-Koefoed, S. Lassen, A. Kuijpers, J.A. Rasmussen and H. Nøhr-Hansen


An integrative and quantitative assessment of the gold potential of the Nuuk region, West Greenland (pdf, 1.2 Mb)
B. Møller Stensgaard, T.M. Rasmussen and A. Steenfelt


The Tikiusaaq carbonatite: a new Mesozoic intrusive complex in southern West Greenland (pdf, 0.6 Mb)
A. Steenfelt, J.A. Hollis and K. Secher


Archetypal kimberlite from the Maniitsoq region, southern West Greenland and analogy to South Africa (pdf, 0.2 Mb)
T.F.D. Nielsen, M. Jebens, S.M. Jensen and K. Secher


Using zircon geochronology to resolve the Archaean geology of southern West Greenland (pdf, 0.5 Mb)
J.A. Hollis, D. Frei, J.A.M. van Gool, A.A. Garde and M. Persson


Five slices through the Nuussuaq Basin, West Greenland (pdf, 0.6 Mb)
A.K. Pedersen, L.M. Larsen, G. Krarup Pedersen and K.S. Dueholm


Earthquake seismology in Greenland - improved data with multiple applications (pdf, 1.0 Mb)
T.B. Larsen, T. Dahl-Jensen, P. Voss, T. Møller Jørgensen, S. Gregersen and H.P. Rasmussen


Radical past climatic changes in the Arctic Ocean and a geophysical signature of the Lomonosov Ridge north of Greenland (pdf, 0.3 Mb) 
N. Mikkelsen, N. Nørgaard-Pedersen, Y. Kristoffersen, S. Juul Lassen and E. Sheldon

International activities

KenSea - development of an environmental sensitivity atlas for coastal areas of Kenya (pdf, 0.5 Mb) 
J. Tychsen, O. Geertz-Hansen and J. Kofoed

Review of Survey activities 2005

Adam A. Garde
Chief editor

The present volume is the third issue of Review of Survey activities (RoSa). It contains 15 four-page contributions that cover a wide range of the current activities at the Geological Survey of Denmark and Greenland (GEUS). Thirteen of these are short scientific papers dealing with ongoing research by the Survey and its external partners. For the first time the research-based papers in the Review are now externally peer reviewed. A new standing panel of reviewers for RoSa has been established to ensure that the contributions are of general interest to a wide readership and that, within the limitations of space, they maintain the normal scientific standards of the Survey's publications. All articles are planned to be easily readable by non-specialists, and since this is a Review of Survey activities, it should be borne in mind that many papers are first accounts of ongoing research.

The fact that almost all contributions in the current volume are scientific in nature implies that while providing a timely panorama of current research at the Survey, they are far from embracing all projects undertaken by the Survey in Denmark, Greenland and other countries in 2005. A factual overview of the activities of GEUS as a whole can be obtained at GEUS' website.

In the present volume three papers deal with Cretaceous–Holocene onshore and offshore stratigraphy, sedimentology and palaeoceanography in Denmark, in part related to hydrocarbon exploration. A fourth paper from Denmark, that illustrates just one of the broad spectrum of the Survey's routine responsibilities undertaken on behalf of the state, addresses construction of 3D geological models to characterise the migration of point-source pollution in groundwater reservoirs.

Projects related to Greenland and the Arctic in general are represented in this volume by a group of ten papers. The first is a methodology paper describing advanced in situ geochronological and trace element microanalysis by laser ablation techniques, a now routine analytical tool at the Survey that has provided data for several of the subsequent articles, including a study of sediment provenance in the East Greenland – Faroe Islands – Shetland region, and an account of zircon geochronology applied to Archaean geological studies in southern West Greenland. Within the same region, a new method of integrative and quantitative assessment of the gold potential is presented, and two papers deal with newly discovered kimberlites and carbonatites and their potential economic significance. One paper describes five profiles through basalts and sedimentary rocks in the Nuussuaq Basin in West Greenland, constructed using geological photogrammetrical techniques along coastal cliffs and steep valley sides. Another paper presents new evidence for the presence of continental crust in the Davis Strait obtained from seabed sampling; this is an important new contribution to the long-standing debate of the nature of the crust under the Labrador Sea and Davis Strait and its stratigraphy. A report on ongoing studies of the deep crustal structure of Greenland using earthquake seismology is presented, and a last paper concerning the Arctic region describes radical former climatic changes in the Arctic Ocean and the geophysical signature of the Lomonosov Ridge north of Greenland, and discusses the sensitivity of the sea-ice cover to global warming.

The final paper in the present volume describes the development of an environmental sensitivity atlas for coastal areas of Kenya. This project is just one of several current GEUS projects where the Survey's broad technical and managing expertise is put to use in developing countries.

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