Ongoing reserach of the petrology group at Tübingen University focusses on three major topics: Fluid-rock interaction processes, halogen studies and magmatic petrology and geochemistry, mainly (but not exclusively) of alkaline, peralkaline and carbonatitic rocks. Obviously, all topics may be linked to each other, depending on the specific research project.
The petrology Group is part of a new collaborative research project on alkaline rocks and carbonatites called HiTech AlkCarb.
The project has received € 5.4 Million funding from the European Union's Horizon 2020 research and innovation programme under grant agreement number 689909 and begins february 2016.
The project brings together industry partners involved in exploration, geophysics and environmental asessment in a team with geological surveys and university academics. This project will make a step-change in exploration models for alkaline and carbonatite provinces, establishing methodologies by which mineralogy, petrology, geochemistry and geophysics, including state-of-the-art interpretation of high resolution geophysics and downhole measurement tools, can be used to make robust predictions about mineral prospectivity at depth. This will be achieved through studies at seven key natural laboratories (Germany, Italy, Greenland, Malawi, Mongolia, Namibia, South Africa). The outcomes will be incorporated into new geomodels on mutiple scales from a world catalogue to deposit models.
Project leader: University of Exeter (GB)
Partners: University Tübingen (Germany), University of St Andrews (Scotland), G.d'Annuzio University (Italy), Mendel University (Czech Republic), Natural History Museum London (GB), GeoAfrica (Portugal), Terratec Geophysical Services (Germany), Lancaster Exploration Ltd (GB), A. Speiser Environmental Consultants (Portugal), British Geological Survey (BGS), Geological Survey of Denmark and Greenland (GEUS).
HiTech AlkCarb Homepage: http://carbonatites.eu
Halogens in Earth’s materials
Halogens (F, Cl, Br, I) are important, partly common and interesting elements in a large variety of geological processes and their geochemical and petrological behavious allows to understand processes like metasomatism, subduction, hydrothermal vein formation or magmatic degassing in great detail. As Iodine is the rarest of these elements (and therefore, most difficult to analyze, because of its very low abundances in most materials), and Cl as well as F are relatively abundant, we have specialized in the detection and quantification of Br. Cl-F-Br-analyses applied to both hydrothermal veins and magmatic and metamorphic rocks will be a major topic in the coming years in Tübingen. Methods used are electron microprobe, TXRF (the first instrument in German Geosciences), pyrohydrolysis and ion chromatography. Halogen studies form a bridge between the other investigations performed in our group.