news

Double Impact Crater in Canada Formed in Two Separate Impacts
Astrobiology Magazine, March 2015

A cosmic fluke? Asteroids hurtling towards Earth 185 million years apart hit the SAME spot, study claims
Phys.org, March 2015

Double impact crater in Canada formed in two separate impacts
Daily Mail UK, March 2015

Study concludes terrestrial impact crater chain never existed
Curtin News, November 2014

Scientists debunk Clearwater Lakes formation theory
ScienceNetwork Western Australia, October 2014

Doppelkrater von Clearwater: Kanadischer Ort wurde zweimal von Meteorit getroffen
Spiegel Online Wissenschaft, October 2014

Dieselbe Stelle zweimal von kilometergroßen Asteroiden getroffen
derStandard.at, October 2014

Cosmic hotspots for life
Australasian Science, October 2013

Sanfte Landung in der Wüste Gobi
Tagesspiegel

Climate-changing meteor revisited
ScienceAlert

Early life evolved in hot meteorite craters?
Australian Geographic

Impact crater took up-to one million years to cool
Australasian Science/ Science Network WA

Das Spiel des Lebens
Stuttgarter Zeitung

Lebensanfang dank Meteoriten
Zentralschweiz am Sonntag

Impact craters may have been a toasty home for early life
Science News

Study finds impact craters could have fostered early life
Curtin News

Der Meteorit von Lauffen bleibt verschollen
Stuttgarter Zeitung

Ancient Buddhist Statue Made of Meteorite, New Study Reveals
Science Daily

Rochechouart - Spuren einer kosmischen Katastrophe
Sterne und Weltraum

Extraterrestrial impact helped cause the end-Triassic mass extinction?
triassica

Is the Jebel Hadid Structure in southeast Libya an impact crater?
Sciency Thoughts

Meteoriteneinschlag bei Nördlingen: Geologen ergründen Europas Urkatastrophe
Spiegel Wissenschaft

Abschied von der Kette
Planet Erde

Unerwarteter Schwabenstein
Unikurier Stuttgart

Un nouveau cratère d'impact découvert au Tchad?
Ciel et Espace

Der Stein der Schwaben in Frankreich
179 - Das Standortmagazin der Region Stuttgart 1/2011

EGU 2011 Vienna
(April 03-08, 2011)
PS2.7 impact cratering session

Le cratère de Rochechouart rajeunit
Ciel et Espace, 02/2011

Geislingen im Visier der Meteoritensucher - Am Wochenende treffen weitere ein
Südwest Presse

Ancient Meteorite Impact Shattered Santa Fe
Space.com

Mega-Erdbeben in Westeuropa
Der Tagesspiegel

Riesen-Tsunami rollte über Europa - Meteoriteneinschlag erschütterte Tethys-Meer
Berliner Zeitung

Meteoriten-Erdbeben und Riesen-Tsunami vor 200 Millionen Jahren
scinexx Wissensmagazin

Mit einem Schlag: Die Meteoritenkrater Ries und Steinheim
Augsburger Allgemeine

Juwelen im Ton

Buddha aus dem All
National Geographic 12/2009

Eine kosmische Reise von der Ostalb in die jordanische Wüste
Albuchbote

Strahlenkalke vom Steinheimer Becken und dem Jebel Waqf as Suwwan
Pressebericht ARGE Grabenstetten

Meteoriteneinschlag - Neue These zu kosmischem Doppelgeschoss
WELT

Ein Eisenmond schlug auf der Ostalb ein
Stuttgarter Zeitung

Armageddon auf der Ostalb
Esslinger Zeitung

Das Steinheimer Becken und die Theorie vom Eisenmond
Stuttgarter Zeitung

Außerirdisches in der Höhle
Südwest Presse

"Der Stein der Schwaben"
Augsburger Allgemeine

Leserbrief "Zielscheibe Erde"
National Geographic 10/2008

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 Scientific Reports

Reviewer for Science Advances

Reviewer for Earth and Planetary Science Letters

Reviewer for Geological Society of America Special Papers

Reviewer for Meteoritics & Planetary Science

Reviewer for the Journal of the Geological Society, London

Reviewer for the Journal of South American Earth Sciences

Reviewer for GeoArabia

Reviewer for Meteorites

External referee for the Czech Science Foundation (2010)

 

impactites


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 µm)


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

 

Triassic terrestrial impact structures


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

 

the Ries-Steinheim event


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

 

remote sensing


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