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Research

Impact geology - on the large and microscopic scale

Meteoritics

⁴⁰Ar/³⁹Ar, U-Pb, and (U-Th)/He geochronology of impact events

Remote sensing of confirmed and possible terrestrial impact structures

Economic deposits associated with (possible) terrestrial impact structures

Paleogeographic and paleoenvironmental conditions at terrestrial impact sites

Sedimentary processes associated with impact events

Volcanology

Further professional experience

Reviewer for Nature - Scientific Reports

Reviewer for Science Advances

Reviewer for Nature Communications

Reviewer for Geology

Reviewer for the Geological Society of America Bulletin

Reviewer for Earth and Planetary Science Letters

Reviewer for Geochimica et Cosmochimica Acta

Reviewer for Precambrian Research

Reviewer for the Geological Society of America Special Papers

Reviewer for Meteoritics & Planetary Science

Reviewer for Icarus

Reviewer for the Journal of the Geological Society, London

Reviewer for the Journal of South American Earth Sciences

Reviewer for the Journal of African Earth Sciences

Reviewer for the Journal of Volcanology and Geothermal Research

Reviewer for Earth Surface Processes and Landforms

Reviewer for Geoscience

Reviewer for Geoheritage

Reviewer for Periodico di Mineralogia

Reviewer for the Berichte der Naturforschenden Gesellschaft der Oberlausitz

Reviewer for GeoArabia

Reviewer for Meteorites

Reviewer for Research Ethics

Reviewer for book chapters

Reviewer for the National Aeronautics and Space Administration (NASA)

Reviewer for the National Science Foundation (NSF)

Reviewer for UNESCO and the International Union of Geological Sciences (IUGS)

Reviewer for the Czech Science Foundation

suevite at the Altebürg quarry (type locality),
Nördlinger Ries, Germany

columnar jointing in the Manicouagan
impact melt sheet, Canada

suevite from a drill core, Logoisk, Byelorussia
(sample courtesy L. Glazovskaya)

shatter cone in limestone,
Steinheimer Becken, Germany

lithic impact breccia, Söderfjärden, Finland

shocked quartz in impact melt rock,
Suvasvesi South, Finland

ballen quartz in impact melt rock,
Tenoumer, Mauritania

SEM-CL image of shocked zircon in impact melt
rock, Acraman, Australia (grain length ~200 �m)

SEM image of highly shocked granular zircon in
impact melt rock, Acraman, Australia

SEM image of FeNi droplets and vesicles
in Wabar glass, Saudi Arabia

colour-coded SRTM relief of the Manicouagan
impact structure, Québec, Canada

impact melt rock, Rochechouart, France

shocked and toasted quartz in impact melt rock,
Paasselkä, Finland

spinifex-textured feldspar crystals in impact
melt rock, Araguainha, Brazil

melt-grown titanite crystal in impact melt rock
Lake Saint Martin, Manitoba, Canada

shaded relief of the Swabian Alb plateau with
the Steinheimer Becken and the Ries crater,
Germany

impact melt rock with granite clast
Ries crater, Germany

cross section through the Steinheimer Becken
(after Mattmüller 1984)

suevitic Steinheim impact breccia

Ni- and Co-rich iron sulfide crystallites in
Steinheim melt particle

Landsat-7 false colour image of the 'Hadid
structure', a possible impact structure in
southeastern Libya

the 'Swabian volcano'

fossil lava lake despoits at the Sternberg
volcano, Gomadingen, Urach volcanic field

massive olivine melilitite from the Hohenbol
volcano, Owen, Urach volcanic field