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International GeoMaud Expedition of the BGR to Central Dronning Maud Land in 1995/96 - Geophysical and other Results

Polar Issue No. 11 (=Internat. Geological Correlation Programme IGCP 368)

Ed.: Hans-Jürgen Paech

2005. 409 pages, 140 figures, 26 tables, 1 plate, 4 maps, 17x24cm, 1240 g
Language: English

(Geologisches Jahrbuch Reihe B, Band B 97)

ISBN 978-3-510-95946-4, paperback, price: 76.00 €

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Contents

Synopsis top ↑

Volume B 96 and B 97 (this volume) of the Geologisches Jahrbuch contain the results of the GeoMaud expedition compiled by scientists from BGR (Hannover, Berlin), German universities (Aachen, Bremen, Dresden, Freiburg), the Alfred-Wegener-Institute for Polar and Marine Research (AWI) (Bremen, Potsdam), the Federal Office for Cartography and Geodesy (formerly IfAG), and scientists from foreign institutes in Italy and Russia. In volume B 96, the main topics are the orthogneisses and the Pan-African granitoids and charnockites, in addition to studies on the regional metamorphism and the structural evolution of central DML. Volume B 97 presents the results of the aeromagnetic, paleomagnetic, photogrammetric, gravity, and airborne and ground-based radio echo sounding surveys.

The Earth's crust in central Dronning Maud Land is composed of late Mesoproterozoic metavolcanic and metasedimentary rock sequences which experienced Grenville deformation and metamorphism. Coevally, metaplutonic rocks formed to an unknown extent. These late Mesoproterozoic rocks were pervasively reactivated during the Pan-African events, almost completely obliterating the Grenville structures. Additionally, during the Pan-African events (600?500 Ma) the metamorphic crust in central Dronning Maud Land was intruded by a huge amount of igneous rock as discordant plutons ranging in composition from anorthosite to granite/syenite, some of which may now be metaplutonic rocks.

The results presented in the two volumes fill gaps in the knowledge of the geological structure and history of Dronning Maud Land and are thus of interest to the Antarctic research community.

Contents top ↑

Hans-Jürgen Paech
Preface 5
Christian Rolf & Friedhelm Henjes-Kunst
Palaeomagnetic and Geochronological Study of Late Pan-African and
Mezozoic Igneous and Metamorphic Rocks from Central Dronning
Maud Land, East Antarctica 7
Detlef Damaske, Vera Marcinkowski & Heinz-Dieter Möller
Aeromagnetic Survey in Central Dronning Maud Land, East Antarctica,
during the 1995/1996 GeoMaud Expedition: Layout, Execution,
and Data Processing 53
Hans-Jürgen Paech & Vera Marcinkowski
Magnetic Susceptibility of Rock Samples from Central Dronning
Maud Land, East Antarctica 85
Sunchan Choi
3-D Aeromagnetic Modelling in the Grubergebirge Area, Central Dronning
Maud Land, East Antarctica 101
Volkmar Damm & Dieter Eisenburger
Ice Thickness and Sub-Ice Topography in Central Dronning Maud Land
Deduced by Radio Echo Sounding 109
Uwe Meyer, Daniel Steinhage, Uwe Nixdorf & Heinz Miller
Airborne Radio Echo Sounding Survey in Central Dronning Maud Land,
East Antarctica 129
Gernot Reitmayr
Gravity Survey in Central Dronning Maud Land, East Antarctica,
during the 1995/96 GeoMaud Expedition 141
Diedrich Fritzsche
Gravimetric Profiling in Central Dronning Maud Land, East
Antarctica 165
Karl Hinz, Soenke Neben, Yulia B. Gouseva & G.A. Kudryavtsev
A Compilation of Geophysical Data from the Lazarev Sea and
the Riiser-Larsen Sea, off Central Dronning Maud Land, East
Antarctica 177
Georg Delisle
Sub-Ice Topography of Selected Areas in Central Dronning Maud Land,
East Antarctica (Ground-Based RES Survey) 197
Georg Delisle
Observations of the Temperature Field of Glaciers at the Margin
of the Polar Plateau, Central Dronning Maud Land, East Antarctica 211
Georg Delisle & Michael Zeibig
A Short Note on the Thermal Regime of Lake Untersee in the
Grubergebirge of Central Dronning Maud Land, East Antarctica 227
Ulrich Wand & Wolf-Dieter Hermichen
Late Quaternary Ice Level Changes in Central Dronning Maud Land,
East Antarctica, as Inferred from 14C Ages of Mumiyo Deposits in
Sknow Petrel Colonies 237
Ulrich Wand & Wolf-Dieter Hermichen & Norbert W. Roland
A Mummified Seal Found Far Inland in Central Dronning Maud Land,
East Antarctica 255
Mirko Scheinert, Reinhard Dietrich, Axel Rülke, James Perlt
& E.C. Malaimani
Precise GPS Measurements to Infer Vertical Crustal Deformation
in Central Dronning Maud Land, East Antarctica 265
Heinz Bennat
Photogrammetric Survey in Central Dronning Maud Land, East Antarctica,
during the 1996 GeoMaud Expedition 273
Hans-Jürgen Paech & Jürgen Kothe
Logistics of the 1995/96 GeoMaud Expedition to Central Dronning
Maud Land, East Antarctica 289
Hans-Jürgen Paech
Geographic Data (Names, Elevations and Topographic Maps) of
Central Dronning Maud Land, East Antarctica 301
Hans-Jürgen Paech, Wilfried Bauer, Sandra Piazolo, Joachim Jacobs &
Gregor Markl
Comparison of the Geology of Central Dronning Maud Land,
East Antarctica, with Other Areas of the Gondwana Supercontinent 309
Hans-Jürgen Paech
Present Knowledge of the Geology of Central Dronning Maud Land,
East Antarctica: Main Results of the 1995/96 GeoMaud Expedition 341
Hans-Jürgen Paech, Joachim Jacobs, Wilfried Bauer, Evgueni Mikhalsky,
Franco Talarico, Fabrizio Colombo, Norbert W. Roland &
Friedhelm Henjes-Kunst
1 : 500,000 Geological Map of Central Dronning Maud Land
with Explanatory Notes in the pocket on the
inside back cover of
this volume
Editorial Note 408