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Ralf-Thomas Schmitt

Ralf-Thomas Schmitt
Fax: +49 30 889140 - 8868

Museum für Naturkunde
Leibniz-Institut für Evolutions- und Biodiversitätsforschung
Invalidenstraße 43
10115 Berlin
Deutschland

Tasks

  • Curator of the mineral collection
  • Curator the rock and ore collection
  • Head of the XRF and rock preparation/separation labs

Research

Research topics:
 
  • Geochemical investigations of impactites
  • Shock metamorphism and shock effects in meteorites and terrestrial rocks, investigation of naturally and experimentally shocked samples, model calculation
  • History of the mineralogical collection at Museum für Naturkunde Berlin
  • Investigations of mineral samples and mineral deposits

Research projects:

  • MEMIN: Low-grade shock metamorphism of quartz in porous and wet sedimentary rocks
  • Experimental investigation of shock metamorphism on apatite
  • Alexander von Humboldt and the mineralogical collection of Museum für Naturkunde Berlin
  • Mineral localities in Northern Franconia, Northern Bavaria, Germany

Publications (Selection)

DAMASCHUN, F. & SCHMITT, R. T. (Hrsg.) (2019): Alexander von Humboldt. Minerale und Gesteine im Museum für Naturkunde Berlin.- Wallstein Verlag, Göttingen, 424 S.

ABU EL-ENEN, M. M., LORENZ, J., ALI, K., SECKENDORFF, V. von, OKRUSCH, M. SCHÜSSLER , U., BRÄTZ, H. & SCHMITT, R. T. (2018): A new look on Imperial Porphyry - a famous ancient dimension stone from the Eastern Desert of Egypt: Petrogenesis and cultural relevance.- International Journal of Earth Sciences (Geologische Rundschau), 107(7), 2393 – 2408.

EBERT, M., KOWITZ, A., SCHMITT, R. T., REIMOLD, W. U., MANSFELD, U. & LANGENHORST, F. (2018): Localized shock induced melting of sandstone at low impact pressures (<17.5 GPa): An experimental study.- Meteoritics and Planetary Science 53(8), 1633-1643.

OZDEMIR, S., SCHULZ, T., KOEBERL, C., REIMOLD, W. U., MOHR-WESTHEIDE, T., HOEHNEL, D. & SCHMITT, R. T. (2017): Early Archean spherule layers in the Barberton Greenstone Belt, South Africa: Mineralogy and geochemistry of the sherule beds in the CT3 drill core.- Meteoritics and Planetaty Science 52, 2586-2631.

PATI, J. K., QU, W. J., KOEBERL, C., REIMOLD, W. U., CHARKARVORTY, M. & SCHMITT, R. T. (2017): Geochemical evidence of an extraterrestrial component in impact melt breccia from the Palaeoproterozoic Dhala impact structure, India.- Meteoritics and Planetary Science 52, 722-736. 

KOWITZ, A., GÜLDEMEISTER, N., SCHMITT, R. T., REIMOLD, W. U., WÜNNEMANN, K. & HOLZWARTH, A. (2016): Revision and recalibrating of existing shock classifications for quartzose rocks using low shock pressure recovery experiments (2.5 -20 GPa) and meso-scale numerical modeling.- Meteoritics and Planetary Science 51, 1741-1761.

MILLS, S. J., CHRISTY, A. G. & SCHMITT, R. T. (2016): The creation of neotypes for hydrotalcite.- Mineralogical Magazine 80, 1023-1029.

RASCHKE, U., SCHMITT, R. T., McDONALD, I., REIMOLD, W. U., MADER, D. & KOEBERL, C. (2015): Geochemical studies if impact breccias and country rocks from El'Gygytgyn impact structure, Russia.- Meteoritics and Planetary Science 50, 1071-1088. 

REIMOLD, W. U., McDONALD, I., SCHMITT, R. T., HANSEN, B., JACOB, J. & KOEBERL, C. (2013): Geochemical studies of the SUBO 18 (Enkingen) drill core and other impact breccias from the Ries crater.- Meteoritics and Planetary Science 49, 978-1006.

SCHMITT, R. T., BARTOSOVA, K., REIMOLD, W. U., MADER, D., WITTMANN, A., KOEBERL, C. & GIBSON, R. L. (2009): Geochemistry of impactites and crystalline basement-derived lithologies from the ICDP-USGS Eyreville A and B drillcores, Chesapeake Bay impact structure, Virginia/USA.- Geological Society of America Special Paper 458 "The ICDP-USGS Deep Drilling Project in the Chesapeake Bay Impact Structure: Results from the Eyreville Core Holes" (edited by Gohn, G. S., Koeberl, C., Miller, K. G., and Reimold, W. U.), Chapter 22, 481-542.

SCHMITT, R. T., LAPKE, C., LINGEMANN, C. M., SIEBENSCHOCK, M. & STÖFFLER, D. (2005): Distribution and origin of impact diamonds in the Ries crater, Germany.- Geological Society of America Special Paper 384 "Large Meteorite Impacts III" (edited by T. Kenkmann, F. Hörz, and A. Deutsch), 299-314.

SCHMITT, R. T. (2000): Shock experiments with the H6 chondrite Kernouvé: Pressure calibration of microscopic shock effects.- Meteoritics and Planetary Science 35, 545-560.