Forschungsarbeiten und Publikationen im Jahre 1984. Geologisch-Palaeontologisches Institut und Museum der Christian-Albrechts-Universitaet Kiel

SIGLETIB: AC 8726 / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekDEGerman

SO-84: Erstkartierung und -untersuchung von Magmen und Fluiden eines rezenten HIMU-Hotspots Endbericht

The SO-84 project studied the seafloor west of St Helena island. In this region three previously known but unsampled volcanoes were studied in detail for the first time, and three new hotspot volcanoes, of which one is the largest underwater edifice in the chain, were discovered. Large areas of seafloor were mapped in order to be sure of having discovered all major edifices in the region. The presently-known volcanoes represent all the major edifices formed by the hotspot to the west of St Helena. None of the volcanoes showed signs of having been recently volcanically active. The macroscopically freshest samples recovered cam from Josephine. Geochemistry of the samples show them to be relativley evolved basalts to trachytes. In trace element terms they are similar in many cases to St Helena island, only Kutuzov Seamount shows trace element patterns which are transitional between St Helena and mid-ocean ridge basalt. In terms of Pb isotopes the Kutuzov samples are also transitional with "2"0"6Pb/"2"0"4Pb values of 19.7, the other seamounts show "2"0"6Pb/"2"0"4Pb of >20.6, similar to St Helena. Using the seamount samples the geochemistry of the HIMU source can be characterised. Relative to other ocean island basalts it is distinguished by having high Ce/Pb ratios, high HREE contents, low slopes of normalised trace element patterns, and highly incompatible element ratios similar to MORB. The inference of all these observations is, as has been previously suggested on isotopic grounds, that the HIMU source is composed of recycled basaltic oceanic crust. Further small projects in the SO-84 program included sampling of the spreading axis both near to St Helena and adjacent to Ascension island. In both cases influences of the hotspots on the ridge were detected, the influence of Ascension is however much larger than that of St Helena. (orig.)SIGLEAvailable from TIB Hannover: F96B361+a / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekBundesministerium fuer Bildung, Wissenschaft, Forschung und Technologie, Bonn (Germany)DEGerman

Die magmatische Erdmantel-Struktur im noerdlichsten Teil des Atlantischen Ozeans (Norwegisch-Groenlaendische See) Endbericht

Available from TIB Hannover: F97B461+a / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEBundesministerium fuer Forschung und Technologie (BMFT), Bonn (Germany)DEGerman

Forschungsreise SONNE 80a-Midplate III. Ozeanischer Vulkanismus im Suedpazifik Endbericht

Available from TIB Hannover: F95B353+a / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEBundesministerium fuer Forschung und Technologie (BMFT), Bonn (Germany)DEGerman

Bodenwirksamkeit des Overflow und Konturit-Sedimentation am Island-Faeroeer-Ruecken Abschlussbericht

Available from TIB Hannover: F95B579+a / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEBundesministerium fuer Forschung und Technologie (BMFT), Bonn (Germany)DEGerman

Submarine Geologie am Kontinentalhang Mittel-Amerikas: Forschungsfahrt SO-76 Abschlussbericht

SIGLEAvailable from TIB Hannover: F95B1199+a / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekBundesministerium fuer Forschung und Technologie (BMFT), Bonn (Germany)DEGerman

Bericht ueber die SONNE 47 - Midplate Vulkanismus Fahrt in den zentralen Suedpazifik, Franzoesisch-Polynesien, Tahiti - Tahiti, 27.12.1986-2.2.1987

With 47 figs., 4 tabs.TIB: RA 6759(19) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEDEGerman

Struktur der Manganknollenfelder im Peru-Becken und ihr Bezug zur Sedimentdynamik Abschlussbericht

Available from TIB Hannover: F95B580+a / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEBundesministerium fuer Forschung und Technologie (BMFT), Bonn (Germany)DEGerman

Report on cruise no. 100 b of R.V. 'Poseidon', May 7-20, 1983 - sediments on the Norwegian Continental Margin near the Lofoten Islands

SIGLETIB: RA 6759 (1) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekDEGerman

Quartaergeologische Ergebnisse und Probleme bei der Endlagerforschung Gorleben

With 8 figs., 1 tab.Copy held by FIZ Karlsruhe; available from UB/TIB Hannover / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEDEGerman