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

publications

articles

2017

Schmieder, M., Shaulis, B. J., Lapen, T. J. & Kring, D. A. (2017): U–Th–Pb systematics in zircon and apatite from the Chicxulub impact crater, Yucatán, Mexico – Geological Magazine (in press). DOI: 10.1017/S0016756817000255.

Buchner, E. & Schmieder, M. (2017): Rare metals on shatter cone surfaces from the Steinheim Basin (SW Germany) – remnants of the impacting body? – Geological Magazine (in press). DOI: 10.1017/S0016756816001357.

Buchner, E. & Schmieder, M. (2017): Possible traces of the impactor on fracture surfaces of shattered belemnites from the Nördlinger Ries crater (Southern Germany) and potential consequences for the classification of the Ries impactor – ZDGG - German Journal of Geology (in press).

2016

Schmieder, M., Kring, D. A., Swindle, T. D., Bond, J. C. & Moore, C. B. (2016): The Gao-Guenie impact melt breccia—Sampling a rapidly cooled impact melt dike on an H chondrite asteroid? – Meteoritics and Planetary Science 51 (in press). DOI: 10.1111/maps.12642.

Schmieder, M., Schwarz, W. H., Trieloff, M., Buchner, E., Tohver, E., Pesonen, L. J., Lehtinen, M., Moilanen, J., Werner, S. C. & Öhman, T.(2016): The two Suvasvesi impact structures, Finland: Argon isotopic evidence for a "false" impact crater doublet – Meteoritics and Planetary Science 51 (in press). DOI: 10.1111/maps.12636.

Schmieder, M., Jourdan, F., Moilanen, J., Buchner, E. & Öhman, T. (2016): A Late Mesoproterozoic 40Ar/39Ar age for a melt breccia from the Keurusselkä impact structure, Finland – Meteoritics and Planetary Science 51, 303-322.

2015

Schmieder, M., Tohver, E., Jourdan, F., Denyszyn, S. W. & Haines, P. W. (2015): Zircons from the Acraman impact melt rock (South Australia): Shock metamorphism, U–Pb and 40Ar/39Ar systematics, and implications for the isotopic dating of impact events – Geochimica et Cosmochimica Acta 161, 71-100.

Schmieder, M., Ferrière, L., Ormö, J., Buchner, E., Koeberl, C. & Reimold, W. U. (2015): Comment on: “Direct evidence of ancient shock metamorphism at the site of the 1908 Tunguska event”, by P. Vannucchi et al. [Earth Planet. Sci. Lett. 409 (2015), 168–174] – Earth and Planetary Science Letters 419, 222-223.

Schmieder, M., Chennaoui Aoudjehane, H., Buchner, E. & Tohver, E. (2015): Meteorite traces on a shatter cone surface from the Agoudal impact site, Morocco – Geological Magazine 152, 751-757.

Buchner, E. & Schmieder, M. (2015): The Steinheim Basin impact crater (SW-Germany) – where are the ejecta? – Icarus 250, 529-543.

Schwarz, W. H., Schmieder, M., Buchner, E., Trieloff, M., Moilanen, J. & Öhman, T. (2015): A Carnian 40Ar/39Ar age for the Paasselkä impact structure (SE Finland) – An update – Meteoritics and Planetary Science 50, 135-140.

Schmieder, M., Schwarz, W. H., Trieloff, M., Tohver, E., Buchner, E., Hopp, J. & Osinski, G. R. (2015): New 40Ar/39Ar dating of the Clearwater Lake impact structures (Québec, Canada) – Not the binary asteroid impact it seems? – Geochimica et Cosmochimica Acta 148, 304-324.

2014

Hippertt, J. P., Lana, C., Weinberg, R. F., Tohver, E., Schmieder, M., Scholz, R., Gonçalves, L. & Hippertt, J. F. (2014): Liquefaction of sedimentary rocks during impact crater development – Earth and Planetary Science Letters 408, 285–295.

Gnos, E., Hofmann, B. A., Schmieder, M., Al-Wagdani, K., Mahjoub, A., Al-Solami, A. A., Nabibullah, S. N., Matter, A. & Alwmark, C. (2014): Ash Shutbah: A possible impact structure in Saudi Arabia – Meteoritics and Planetary Science 49, 1902-1914.

Schmieder, M., Buchner, E., Salameh, E. & Khoury, H. (2014): Comment on “Some observations facing the interpretation of Waqf as Suwwan structure, SE desert of Jordan, as an impact crater”, by A. M. Abed et al. (2014), Arab J Geosci – Arabian Journal of Geosciences, DOI: 10.1007/s12517-014-1672-8.

Schmieder, M., Jourdan, F., Tohver, E. & Cloutis, E. A. (2014): 40Ar/39Ar age of the Lake Saint Martin impact structure (Canada) - Unchaining the Late Triassic terrestrial impact craters – Earth and Planetary Science Letters 406, 37-48.

Schmieder, M., Trieloff, M., Schwarz, W. H., Buchner, E., & Jourdan, F. (2014): Supportive comment on: "Morphology and population of binary asteroid impact craters", by K. Miljković, G. S. Collins, S. Mannick and P. A. Bland [Earth Planet. Sci. Lett. 363 (2013) 121-132] - An updated assessment – Earth and Planetary Science Letters 405, 281-284.

2013

Schmieder, M. & Jourdan, F. (2013): The Lappajärvi impact structure (Finland): Age, duration of crater cooling, and implications for early life – Geochimica et Cosmochimica Acta 112, 321-339.

Schmieder, M., Seyfried, H. & Ochir, G. (2013): The circular Uneged Uul structure (East Gobi Basin, Mongolia) – Geomorphic and structural evidence for meteorite impact into an unconsolidated coarse-clastic target? – Journal of Asian Earth Sciences 64, 58-76.

Schmieder, M. & Buchner, E. (2013): Impaktereignisse in Europa - [Impact events in Europe] – ZDGG German Journal of Geoscience 164, 387-415.

Buchner, E., Schmieder, M., Schwarz, W. H. & Trieloff, M. (2013): Das Alter des Meteoritenkraters Nördlinger Ries – eine Übersicht und kurze Diskussion der neueren Datierungen des Riesimpakts - [The age of the Ries impact - A review and brief discussion of recent dating results] – ZDGG German Journal of Geoscience 164, 433-445.

Buchner, E. & Schmieder, M. (2013): Das Ries-Steinheim-Ereignis – Impakt in eine miozäne Seen- und Sumpflandschaft - [The Ries-Steinheim event – impact into a Miocene swampy lakescape] – ZDGG German Journal of Geoscience 164, 459-470.

Buchner, E. & Schmieder, M. (2013): Der Steinheimer Suevit - schmelzeführende Impaktite aus dem Steinheimer Becken, Südwestdeutschland - [Steinheim suevite - melt- bearing lithologies from the Steinheim Basin (SW Germany)] – ZDGG German Journal of Geoscience 164, 471-490.

Anders, D., Buchner, E., Schmieder, M., & Kegler, P. (2013): Varietäten von Schmelzelithologien in den Impaktiten des Steinheimer Beckens (SW-Deutschland) - [Varieties of melt lithologies in the Steinheim basin (SW Germany)] – ZDGG German Journal of Geoscience 164, 491-501.

Schmieder, M. & Buchner, E. (2013): Strahlenkegel in Opalinuston-Konkretionen des Steinheimer Beckens (Baden-Württemberg) - [Shatter cones in Opalinuston concretions of the Steinheim Basin (SW Germany)] – ZDGG German Journal of Geoscience 164, 503-513.

2012

Buchner, E., Schmieder, M., Kurat, G.,Brandstätter, F., Kramar, U., Naflos, Th. & Kröchert, J. (2012): Buddha from Space – an ancient object of art made of a Chinga iron meteorite fragment – Meteoritics and Planetary Science 47, 1491-1501.

Schmieder, M. (2012): Spuren einer kosmischen Katastrophe - Ein Einschlag vor 200 Millionen Jahren in Westeuropa – Sterne und Weltraum 01/2012, Plus-Artikel.

2011

Schmieder, M., Reimold, W. U., Buchner, E., Khirfan, M., Salameh, E. & Khoury, H. (2011): Shock metamorphic microfeatures in chert from the Jebel Waqf as Suwwan impact structure, Jordan – Meteoritics and Planetary Science 46, 574-586.

2010

Schmieder, M., Schwarz, W. H., Buchner, E., Trieloff, M. & Lambert, P. (2010): A Rhaetian 40Ar/39Ar age for the Rochechouart impact structure (France) and implications for the latest Triassic sedimentary record – Meteoritics and Planetary Science 45, 1225-1242.

Buchner, E. & Schmieder, M. (2010): Steinheim suevite – a first report of melt-bearing impactites from the Steinheim Basin (SW Germany) – Meteoritics and Planetary Science 45, 1093-1107.

Buchner, E., Schwarz, W. H., Schmieder, M. & Trieloff, M. (2010): Establishing a 14.6 ± 0.2 Ma age for the Nördlinger Ries impact (Germany) – a prime example for concordant isotopic ages from various dating materials – Meteoritics and Planetary Science 45, 662-674.

Schmieder, M., Schwarz, W. H., Buchner, E., Trieloff, M., Moilanen, J. & Öhman, T. (2010): A Middle-Late Triassic 40Ar/39Ar age for the Paasselkä impact structure (SE Finland) – Meteoritics and Planetary Science 45, 572-582.

2009

Strasser, M., Strasser, A., Schmieder, M., Kröchert, J. & Buchner, E. (2009): Magnetische Sphärulen in Höhlen der Schwäbischen Alb - Spuren kosmischer Ereignisse – Laichinger Höhlenfreund 44, 209-222.

Buchner, E. & Schmieder, M. (2009): Multiple fluvial reworking of impact ejecta - A case study from the Ries crater (Germany) – Meteoritics and Planetary Science 44 (7), 1051-1060.

Schmieder, M., Buchner, E. & Le Heron, D. P. (2009): The Jebel Hadid structure (Al Kufrah Basin, SE Libya) – a possible impact structure and potential hydrocarbon trap? – Marine and Petroleum Geology 26 (3), 310-318.

Kröchert, J., Buchner, E., Schmieder, M., Maurer, H., Walter, M., Strasser, A. & Strasser, M. (2009): Effusiver melilithitischer Vulkanismus auf der Schwäbischen Alb - Der Sternberg bei Gomadingen – Zeitschrift der Deutschen Gesellschaft für Geowissenschaften 160 (4), 315-323.

Kröchert, J., Schmieder, M., Theye, T. & Buchner, E. (2009): Considerations on the age of the Urach volcanic field (Southwest Germany) – Zeitschrift der Deutschen Gesellschaft für Geowissenschaften 160 (4), 325-331.

Öhman, T., Schmieder, M., Jourdan, F., Buchner, E. & Raiskila, S. (2009): Summary: Shatter cones in Keurusselkä impact structure, Finland. – Geologi 61, 195-197.

2008

Schmieder, M. & Buchner, E. (2008): Dating impact craters: paleogeographic versus isotopic and stratigraphic methods - a brief case study – Geological Magazine 145 (4), 586-590.

Schmieder, M., Moilanen, J. & Buchner, E. (2008): Impact melt rocks from the Paasselkä impact structure (SE Finland): petrography and geochemistry – Meteoritics and Planetary Science 43 (7), 1189-1200.

Buchner, E., Kröchert, J., Maurer, H., Schmieder, M., Strasser, A. & Strasser, M. (2008): Meerschaum von der Schwäbischen Alb - Sepiolith in Vulkaniten des Sternbergs – Der Aufschluss 59 (6), 409-415.

2007

Buchner, E. & Schmieder, M. (2007): Mousso structure: a deeply eroded, medium-sized complex impact crater in northern Chad? – Journal of African Earth Sciences 49 (3), 71-78.

Schmieder, M. & Buchner, E. (2007): Short Note: The Faya basin (N Chad, Africa) – A possible impact structure? – Journal of African Earth Sciences 47 (1), 62-68.

Schmieder, M. & Buchner, E. (2007): Gefügeerhaltende Schockaufschmelzung von porphyrartig-grobkörnigem Biotitgranit (Polsingen, Nördlinger Ries) – Geologica Bavarica 110, 378-391.

2006

Buchner, E. & Schmieder, M. (2006): Uwarowit als "Rutschharnisch" in Chromerz: Spuren einer uralten Gebirgsbildung! – Lapis 31 (10), 61-62.

 

book chapters

Buchner, E. & Schmieder, M. (2009): Suevit - Entstehung und Auftreten in Meteoritenkratern der Erde. – In: Rosendahl, W. & Schieber, M. (Eds.): Der Stein der Schwaben. Natur- und Kulturgeschichte des Suevits. Staatsanzeiger-Verlag, Stuttgart, Germany, p. 19-23 (in German).

 

conference abstracts

2017

Schmieder, M., Kring, D. A., Lapen. T. J., Gulick, S. P. S., Stockli, D. F., Rasmussen, C., Rae, A. S. P., Ferrière, L., Poelchau, M. H., Xiao, L., Wittmann, A. and the IODP–ICDP Expedition 364 Science Party (2017): Sphene and TiO2 assemblages in the Chicxulub peak ring: U-Pb systematics and implications for shock pressures, temperatures, and crater cooling – Abstract presented at the 48th LPSC (July 23-28, 2017), Santa Fe, New Mexico, USA, no. 6134 (submitted).

Schmieder, M., Kring, D. A., Goderis, S., Claeys, Ph., Coolen, M. J. L., Wittmann, A. and the IODP–ICDP Expedition 364 Science Party (2017): Secondary sulfides in hydrothermally altered impactites and basement rocks of the Chicxulub peak ring - A preliminary survey – Abstract presented at the 48th LPSC (July 23-28, 2017), Santa Fe, New Mexico, USA, no. 6139 (submitted).

Kring, D. A., Schmieder, M., Riller, U., Simpson, S. L., Osinski, G. R., Cockell, C., Coolen, M. J. L. and the IODP–ICDP Expedition 364 Science Party (2017): Testing a model of impact-generated hydrothermal systems with IODP-ICDP Expedition 364 to the Chicxulub impact crater – Abstract presented at the 48th LPSC (July 23-28, 2017), Santa Fe, New Mexico, USA, no. 6064 (submitted).

Buchner, E., Hölzel, M., Schmieder, M., Rasser, M., Fietzke, J., Frische, M. & Kutterolf, S. (2017): A meteorite fragment trapped between positive and negative shatter cones in a limestone block stored at the Meteorkrater-Museum Steinheim, Germany – Abstract presented at the 48th LPSC (July 23-28, 2017), Santa Fe, New Mexico, USA, no. 6014 (submitted).

Buchner, E. & Schmieder, M. (2017): Shocked quartz and local selective feldspar melting in a lithic breccia dike intersecting shatter-coned target rocks at the Santa Fe impact structure, New Mexico, USA – Abstract presented at the 48th LPSC (July 23-28, 2017), Santa Fe, New Mexico, USA, no. 6015 (submitted).

Schmieder, M., Kring, D. A., and the IODP–ICDP Expedition 364 Science Party (2017): Petrology of target dolerite in the Chicxulub peak ring and a possible source of K/Pg boundary picotite spinel – Abstract presented at the 48th LPSC (March 20-24, 2017), The Woodlands, Texas, USA, no. 1235.

Schmieder, M., Boschi, S., Caudill, C., Chandnani, M., DiFrancesco, N. J., Hibbard, S. M., Hughson, K., Kinczyk, M., Martin, A. C., Martin, E., Martinot, M., McCarty, C. B., Powell, K. E., Sarafian, A., Schaub, D. R., Shirley, K. & Kring, D. A. (2017): Mapping ejecta on the East and Southeast side of Barringer meteorite crater (a.k.a. Meteor Crater), Arizona – Abstract presented at the 48th LPSC (March 20-24, 2017), The Woodlands, Texas, USA, no. 2180.

Hoare, L., Schmieder, M. & Kring, D. A. (2017): LL-chondrite Northwest Africa 6813: Sampling an impact-cratered asteroid – Abstract presented at the 48th LPSC (March 20-24, 2017), The Woodlands, Texas, USA, no. 1337.

2016

Schmieder, M., Kring, D. A., Swindle, T. D., Carter-Bond, J. C. & Moore, C. B. (2016): The Gao-Guenie (Burkina Faso) impact melt breccia – A piece of an impact melt injection dike on an H-chondrite asteroid – Abstract presented at the 47th LPSC (March 21-25, 2016), The Woodlands, Texas, USA, no. 1239 (submitted).

Schmieder, M., Shaulis, B. J. & Kring, D. A. (2016): Larkman Nunatak 06507 – Insights into the impact melting of carbonaceous chondrites – Abstract presented at the 47th LPSC (March 21-25, 2016), The Woodlands, Texas, USA, no. 1646 (submitted).

Phelps, P. R., Schmieder, M. & Kring, D. A. (2016): LL-chondrite Dominion Range 10092: A shock-metamorphosed sample from an impact-modified asteroid – Abstract presented at the 47th LPSC (March 21-25, 2016), The Woodlands, Texas, USA, no. 1698 (submitted).

2015

Schmieder, M., Chennaoui Aoudjehane, H., Buchner, E. & Tohver, E. (2015): Impactor traces on a shatter cone surface from the Agoudal impact site, High Atlas Mountains, Morocco – Abstract presented at the 46th LPSC (March 16–20, 2015), The Woodlands, Texas, USA, no. 1017 (submitted).

2014

Timms, N. E., Erickson, T. M., Schmieder, M., Tohver, E. & Pearce, M. (2014): Shock recrystallisation and decomposition of zircon – Abstract presented at the 77th MetSoc (September 7–12, 2014), Casablanca, Morocco, no. 5233.

Buchner, E. & Schmieder, M. (2014): The Steinheim impact crater (Germany) – Where is the ejecta blanket? – Abstract presented at the 77th MetSoc (September 7–12, 2014), Casablanca, Morocco, no. 5168.

Schmieder, M., Jourdan, F., Öhman, T., Tohver, E., Mayers, C., Frew, A., (2014): A Proterozoic 40Ar/39Ar age for the Söderfjärden impact structure, Finland – Abstract presented at the 45th LPSC (March 17-21, 2013), The Woodlands, Texas, USA, no. 1301.

2013

Jourdan, F., Timms, N., Mayers, C., Frew, A., Eroglu, E., Schmieder, M. & Bland, P. A. (2013): Impact history of Itokawa: 40Ar/39Ar thermochronology and EBSD characterization – Abstract presented at the HAYABUSA 2013: Symposium of Solar System Materials Meeting (16-18 October, 2013), Sagamihara, Japan.

Buchner, E., Schwarz, W. H., Schmieder, M. & Trieloff, M. (2013): Refined 40Ar/39Ar ages for the Paasselkä (Finland) and Clearwater West (Canada) impact structures – Abstract presented at the 76th MetSoc (July 29-August 02, 2013), Edmonton, Canada, no. 5009.

Begnini, G. S., Tohver, E. & Schmieder, M. (2013): Fulgurites: a rock magnetic study of mineralogical changes caused by lightning – Abstract presented at the AGU Meeting of the Americas (May 14-17, 2013), Cancun, Mexico, no. GP33A-07.

Schmieder, M., Jourdan, F., Tohver, E., Mayers, C., Frew, A. & Cloutis, E. (2013): The age of the Lake Saint Martin impact structure (Manitoba, Canada) – Abstract presented at the 44th LPSC (March 18-22, 2013), The Woodlands, Texas, USA, no. 2001.

Schmieder, M., Tohver, E., Denyszyn, S., Jourdan, F. & Haines, P. W. (2013): Shock-metamorphosed zircons from the Acraman impact structure (South Australia) - Tracers of multi-stage impact crater evolution – Abstract presented at the 44th LPSC (March 18-22, 2013), The Woodlands, Texas, USA, no. 1991.

2012

Tohver, E., Arosio, R., Schmieder, M., Jourdan, F., Wilson, A. & Flint, S. (2012): Thermochronological constraints on detrital sediments of the Late Permian Karoo Basin: Insights into uplift history of the Cape Fold Belt – Abstract presented at the AGU Fall Meeting (December 03-07, 2012), San Francisco, USA , ePoster no. EP41B-0791.

Schmieder, M., Schwarz, W. H., Buchner, E., Pesonen, L. J., Lehtinen, M. & Trieloff, M. (2012): Double and multiple impact events on Earth - Hypotheses, tests, and problems – Abstract presented at the 75th MetSoc (August 13-18, 2012), Cairns, Australia, abstract no. 5005.

Schmieder, M., Tohver, E., Jourdan, F. & Bevan, A. (2012): A meteorite impact crater in central Tibet? – Abstract presented at the 75th MetSoc (August 13-18, 2012), Cairns, Australia, abstract no. 5006.

Schmieder, M., Tohver, E., Jourdan, F., Denyszyn, S. & Haines, P. W. (2012): The Acraman impact melt rock revisited – Abstract presented at the 75th MetSoc (August 13-18, 2012), Cairns, Australia, abstract no. 5010.

Buchner, E., Schmieder, M., Schwarz, W. H., Trieloff, M., & Hopp, J. (2012): An Early/Middle Devonian 40Ar/39Ar age for the Charlevoix impact structure (Quebec, Canada) - An approach closer to reality – Abstract presented at the 75th MetSoc (August 13-18, 2012), Cairns, Australia.

Wartho, J.-A., van Soest, M. C., Cooper, F. J., Spray, J. G., Schmieder, M., Buchner, E., King Jr., D. T., Ukstins Peate, I., Koeberl, C., Reimold, W. U., Biren, M. B., Petruny, L. W. & Hodges, K. V. (2012): (U-Th)/He dating of impact structures - The big, the small, and the potential limitations – Abstract presented at the 75th MetSoc (August 13-18, 2012), Cairns, Australia.

Tohver, E., Cawood, P., Riccomini, C., Trindade, R. & Schmieder, M. (2012): Stratigraphic and isotopic effects of a Permo-Triassic impact crater; implications for the global carbon record – Abstract presented at the 34th IGC Meeting (August 05-10, 2012), Brisbane, Australia (submitted).

Anders, D., Osinski, G. R., Schmieder, M., Kegler, P. & Buchner, E. (2012): Geochemical signatures of carbonate impact melts from the Steinheim impact crater, Germany – Abstract presented at the GAC-MAC Geologic Association of Canada - Mineralogical Association of Canada meeting (May 27-29, 2012), St.John's, Canada (submitted).

2011

Gnos, E., Al-Wagdani, A., Mahjub, A., Al-Solami, A. A., Allah, S. H., Matter, A., Hofmann, B. A., Schmieder, M., Buchner, E. (2011): Ash Shutbah - A new impact crater in Saudi Arabia – Abstract presented at the 74th MetSoc (August 08-12, 2011), London, UK, abstract no. 5108.

Schmieder, M., Müller, W., Förster, L. & Buchner, E. (2011): Impactites and related lithologies in Germany - Current state of knowledge and future perspectives – Abstract presented at the 74th MetSoc (August 08-12, 2011), London, UK, abstract no. 5060.

Buchner, E., Müller, W. & Schmieder, M. (2011): A possible new impact site near Nalbach (Saarland, Germany) – Abstract presented at the 74th MetSoc (August 08-12, 2011), London, UK, abstract no. 5048.

Schmieder, M., Müller, W. & Buchner, E. (2011): Nalbach (Saarland, Germany) and Wabar (Saudi Arabia) glass - Two of a kind? – Abstract presented at the 74th MetSoc (August 08-12, 2011), London, UK, abstract no. 5059.

Schmieder, M., Buchner, E., Trieloff, M., Schwarz, W. H., & Lambert, P. (2011): The latest Triassic Rochechouart impact (France) - 40Ar/39Ar dating and potential relation to catastrophic paleoenvironmental effects in the western Tethys domain – Abstract presented at EGU General Assembly (April 03-08, 2010), Vienna, Austria, Geophysical Research Abstracts 13, EGU2011-11281-2.

Schmieder, M. & Buchner, E. (2011): A water-saturated continental impact scenario for the Ries-Steinheim event (Southern Germany) – Abstract presented at EGU General Assembly (April 03-08, 2010), Vienna, Austria, Geophysical Research Abstracts 13, EGU2011-691-3.

Jourdan, F. & Schmieder, M. (2011): The age of the Lappajärvi impact structure – Abstract presented at EGU General Assembly (April 03-08, 2010), Vienna, Austria, Geophysical Research Abstracts 13, EGU2011-2339-1.

Bläß, U., Schmieder, M. & Buchner, E. (2011): Microstructural TEM investigations on shock-metamorphic cherts from the Jebel Waqf as Suwwan impact structure, Jordan – Abstract presented at EGU General Assembly (April 03-08, 2010), Vienna, Austria, Geophysical Research Abstracts 13, EGU2011-7559.

Anders, D., Kegler, P., Buchner, E. & Schmieder, M. (2011): Carbonate melt lithologies from the Steinheim impact structure (Baden-Württemberg, Germany) – Abstract presented at EGU General Assembly (April 03-08, 2010), Vienna, Austria, Geophysical Research Abstracts 13, EGU2011-461.

Buchner, E., Schmieder, M., Cooper, F. J., Hodges, K. V., Jourdan, F., Koeberl, C., Poesges, G., Reimold, W. U., Schwarz, W. H., Trieloff, M., van Soest M. C. & Wartho, J.-A. (2011): Concurrent ages of the Nördlinger Ries and the Steinheim Basin? - An extremely voluminous versus an inexistent isotopic data set for the two impact craters in Southern Germany – Abstract presented at EGU General Assembly (April 03-08, 2010), Vienna, Austria, Geophysical Research Abstracts 13, EGU2011-1334-8.

Schmieder, M., Buchner, E. & Reimold, W. U. (2011): Impact-related deformation features in cherts from terrestrial impact structures – Abstract presented at the 42nd LPSC (March 07-11, 2011), The Woodlands, Texas, USA, no. 2274.

Anders, D., Kegler, P., Buchner, E. & Schmieder, M. (2011): Carbonate melt lithologies from the Steinheim impact crater (SW Germany) – Abstract presented at the 42nd LPSC (March 07-11, 2011), The Woodlands, Texas, USA, no. 1997.

2010

van Soest, M. C., Cooper, F. J., Wartho, J.-A., Hodges, K. V., Buchner, E., Schmieder, M. & Koeberl, C. (2010): Can single crystal (U-Th)/He zircon ages from Nördlinger Ries suevite be linked to impact-related shock effects? – Abstract presented at AGU Fall Meeting (December 13-17, 2010), San Francisco, USA.

Schmieder, M., Jourdan, F., Bockstaller, P. & Buchner, E. (2010): High-precision 40Ar/39Ar dating of the Lappajärvi impact structure (Finland) using mixed and monomineralic impact melt lithologies – Abstract presented at the Paneth Kolloquium (October 27-30, 2010), Nördlingen, Germany.

Schmieder, M. & Buchner, E. (2010): New investigations into the Steinheim impact structure (Baden-Württemberg, Germany) - Part II: Steinheim shatter cones revisited – Abstract presented at the Paneth Kolloquium (October 27-30, 2010), Nördlingen, Germany.

Schmieder, M., Buchner, E. & Jourdan, F. (2010): New investigations into the Steinheim impact structure (Baden-Württemberg, Germany) - Part I: A first attempt of 40Ar/39Ar dating – Abstract presented at the Paneth Kolloquium (October 27-30, 2010), Nördlingen, Germany.

Kübler, T., Schmieder, M. & Buchner, E. (2010): Variable geometry in shock wave interference patterns - Clues to shatter cone formation in terrestrial impact structures? – Abstract presented at the Paneth Kolloquium (October 27-30, 2010), Nördlingen, Germany.

Schmieder, M., Buchner, E., Reimold, W. U., Salameh, E., Khirfan, M. & Khoury, H. (2010): Shock-metamorphic effects in chert: Evidence from the Jebel Waqf as Suwwan impact structure, Jordan – Abstract presented at the IMA Meeting (August 21-27, 2010), Budapest, Hungary.

Buchner, E., Schmieder, M., Kurat, G., Kramar, U., Kröchert, J. & Ntaflos, Th. (2010): Buddha from space - an ancient object of art made of a Chinga iron meteorite fragment – Abstract presented at the IMA Meeting (August 21-27, 2010), Budapest, Hungary.

Förster, L., Schmieder, M., Bartoschewitz, R. & Buchner, E. (2010): Fennoscandian impactite erratics in Northern Germany - Tracers of Pleistocene long-distance glacial reworking. – Abstract presented at the 73rd MetSoc (July 26-30, 2010), New York, USA, no. 5026.

Buchner, E. & Schmieder, M. (2010): Genetical relationship between ignimbrites and suevites? - Implications from the suevitic Ries/Steinheim impact lithologies. – Abstract presented at the 73rd MetSoc (July 26-30, 2010), New York, USA, no. 5025.

Schmieder, M. & Buchner, E. (2010): New insights into the Steinheim central uplift - part III: Shatter cones and the 'cone-in-cone' problem reloaded. – Abstract presented at the 73rd MetSoc (July 26-30, 2010), New York, USA, no. 5012.

Schmieder, M. & Buchner, E. (2010): New insights into the Steinheim central uplift - part II: Orientation of shatter cones and implications for their formation. – Abstract presented at the 73rd MetSoc (July 26-30, 2010), New York, USA, no. 5011.

Buchner, E. & Schmieder, M. (2010): New insights into the Steinheim central uplift - part I: Shatter cones in claystone lithologies ('Opalinuston', Middle Jurassic). – Abstract presented at the 73rd MetSoc (July 26-30, 2010), New York, USA, no. 5010.

Schmieder, M. & Buchner, E. (2010): How 'dry' was the Ries-Steinheim impact event? – Abstract presented at the 'The Ries crater, the Moon, and the Future of Human Space Exploration' Meeting (June 25-27, 2010), Nördlingen, Germany, no. 7001.

Schmieder, M. & Buchner, E. (2010): The Faya basin (N Chad) revisited - Structural insights from central peak morphology and potential Martian analogs – Abstract presented at the 'The Ries crater, the Moon, and the Future of Human Space Exploration' Meeting (June 25-27, 2010), Nördlingen, Germany, no. 7012.

Buchner, E. & Schmieder, M. (2010): Post-impact erosion and redeposition of impactites at the Ries cater and implications for similar processes on Mars – Abstract presented at the 'The Ries crater, the Moon, and the Future of Human Space Exploration' Meeting (June 25-27, 2010), Nördlingen, Germany, no. 7004.

Buchner, E., Schmieder, M., Schwarz, W. H. & Trieloff, M. (2010): The Ries/Steinheim impact age as significant time marker in the North Alpine Foreland Basin stratigraphy: new 40Ar/39Ar dating results – Abstract presented at the Molasse Meeting (May 21-23, 2010), Munich, Germany.

Schmieder, M., Buchner, E., Jourdan, F., Schwarz, W. H., Trieloff, M., van Soest, M. C., Wartho, J.-A., Hodges, K. V., Moilanen, J., Hietala S. & Öhman, T. (2010): Updating the Finnish impact cratering record – Abstract presented at the 41st LPSC (March 01-05, 2010), The Woodlands, Texas, USA, no. 2036.

Schmieder, M. & Buchner, E. (2010): Possible iron meteoritic contamination in impact melt particles from the Steinheim Basin (Baden-Württemberg, Germany) – Abstract presented at the 41st LPSC (March 01-05, 2010), The Woodlands, Texas, USA, no. 2103.

Cooper, F. J., van Soest, M. C., Wartho, J.-A., Hodges, K. V., Buchner, E., Schmieder, M. & Koeberl, C. (2010): (U-Th)/He dating of the Nördlinger Ries impact structure, Germany – Abstract presented at the 41st LPSC (March 01-05, 2010), The Woodlands, Texas, USA, no. 2243.

Wartho, J.-A., van Soest, M. C., Cooper, F. J., Hodges, K. V., Spray, J. G., Schmieder, M. Buchner, E., & Reimold, W. U. (2010): Updated (U-Th)/He zircon ages for the Lake Saint Martin impact structure (Manitoba, Canada) and implications for the Late Triassic multiple impact theory – Abstract presented at the 41st LPSC (March 01-05, 2010), The Woodlands, Texas, USA, no. 1930.

Jourdan, F., Schmieder, M. & Buchner, E. (2010): The Lake Saint Martin impact and the problem of isotopic dating on altered impact melt rocks – Abstract presented at the 41st LPSC (March 01-05, 2010), The Woodlands, Texas, USA, no. 1654.

Buchner, E., Schmieder, M., Schwarz, W. H., Trieloff, M., Jourdan, F., Wartho, J.-A., van Soest, M. C., Hodges, K. V. & Pösges, G. (2010): A new look at the Ries-Steinheim event – Abstract presented at the 41st LPSC (March 01-05, 2010), The Woodlands, Texas, USA, no. 2151.

Buchner, E., Schmieder, M., Schwarz, W. H., Trieloff, M., Hopp, J., & Spray, J. G. (2010): Dating the Charlevoix impact structure (Québec, Canada) - A tough nut to crack in 40Ar/39Ar geochronology – Abstract presented at the 41st LPSC (March 01-05, 2010), The Woodlands, Texas, USA, no. 2017.

2009

Schmieder, M., Buchner, E., Jourdan, F., Schwarz, W. H., Trieloff, M., van Soest, M. C., Wartho, J.-A., Hodges, K. V., Moilanen, J., Hietala S. & Öhman, T. (2009): The Finnish impact cratering record – an update with new isotopic data – Abstract presented at the first Arab Impact Cratering and Astrogeology Conference (AICAC), 9-11 November 2009, Amman, Jordan.

Buchner, E., Schmieder, M., Schwarz, W. H., Trieloff, M., Jourdan, F., Wartho, J.-A., van Soest, M. C., Hodges, K. V. & Pösges, G. (2009): A new look at the Ries-Steinheim event – A first report of different melt lithologies from the Steinheim Basin and a new ~14.4 Ma Ries impact age – Abstract presented at the first Arab Impact Cratering and Astrogeology Conference (AICAC), 9-11 November 2009, Amman, Jordan.

Schmieder, M. & Buchner, E. (2009): Morphological variability of FeNi ‘spherules’ and vesicles in Wabar glass (Saudi Arabia) – A case for dynamic meteorite melt – target melt – gas interaction. – Abstract presented at the first Arab Impact Cratering and Astrogeology Conference (AICAC), 9-11 November 2009, Amman, Jordan.

Schmieder, M., Buchner, E., Hofmann, B. A. & Gnos, E. (2009): The Ash Shutbah circular feature – A suspected meteorite impact site in Saudi Arabia – Abstract presented at the first Arab Impact Cratering and Astrogeology Conference (AICAC), 9-11 November 2009, Amman, Jordan.

Schmieder, M., Buchner, E., Schwarz, W. H., Trieloff, M., Moilanen, J. & Öhman, T. (2009): A Middle Triassic 40Ar/39Ar age for the Paasselkä impact structure (Finland) – Abstract presented at the 72nd MetSoc (July 13-18, 2009), Nancy, France – Meteoritics and Planetary Science (supplement), abstract no. 5142.

Buchner, E., Schmieder, M., Schwarz, W. H., Trieloff, M., Moilanen, J., Öhman, T. & Stehlik, H. (2009): A Proterozoic 40Ar/39Ar age for the Suvasvesi South structure (Finland) – Abstract presented at the 72nd MetSoc (July 13-18, 2009), Nancy, France – Meteoritics and Planetary Science (supplement), abstract no. 5076.

Schmieder, M., Buchner, E., Schwarz, W. H., Trieloff, M. & Lambert, P. (2009): A Triassic/Jurassic boundary age for the Rochechouart impact structure (France) – Abstract presented at the 72nd MetSoc (July 13-18, 2009), Nancy, France – Meteoritics and Planetary Science (supplement), abstract no. 5138.

Schmieder, M., Lambert, P. & Buchner, E. (2009): Did the Rochechouart impact (France) trigger an end-Triassic tsunami? – Abstract presented at the 72nd MetSoc (July 13-18, 2009), Nancy, France – Meteoritics and Planetary Science (supplement), abstract no. 5140.

Schmieder, M. & Buchner, E. (2009): Fe-Ni-Co sulfides from the Steinheim Basin, SW Germany: Possible impactor traces – Abstract presented at the 72nd MetSoc (July 13-18, 2009), Nancy, France – Meteoritics and Planetary Science (supplement), abstract no. 5073.

Buchner, E. & Schmieder, M. (2009): The Steinheim suevite – Abstract presented at the 72nd MetSoc (July 13-18, 2009), Nancy, France – Meteoritics and Planetary Science (supplement), abstract no. 5072.

Buchner, E. & Schmieder, M. (2009): Steinheim Basin impact spherules – Abstract presented at the 72nd MetSoc (July 13-18, 2009), Nancy, France – Meteoritics and Planetary Science (supplement), abstract no. 5075.

Buchner, E., Kurat, G., Schmieder, M., Kramar, U., Kröchert, J. & Ntaflos, Th. (2009): Mythological artifacts made of celestial bodies - A Buddhist deity of meteoritic iron – Abstract presented at the 72nd MetSoc (July 13-18, 2009), Nancy, France – Meteoritics and Planetary Science (supplement), abstract no. 5075.

Schmieder, M., Jourdan, F., Hietala, S., Moilanen, J., Öhman, T. & Buchner, E. (2009): A high-precision late Mesoproterozoic 40Ar/39Ar age for the Keurusselkä impact structure (Finland) – Abstract presented at the 40th LPSC (March 23-27, 2009), The Woodlands, Texas, USA, no. 1028.

Jourdan, F., Schmieder, M., McWilliams, M. M. & Buchner, E. (2009): Fake statistically valid isotopic ages in impact crater geochronology – EOS Transactions of the American Geophysical Union 90 (22), Joint Assembly Supplement, abstract no. V33E-06.

Schmieder, M., Buchner, E. & Kröchert, J. (2009): 'Ballen silica' in impactites and magmatic rocks – Abstract presented at the 40th LPSC (March 23-27, 2009), The Woodlands, Texas, USA, no. 1020.

Buchner, E., Moilanen, J., Öhman, T. & Schmieder, M. (2009): Shock-molten sandstone clasts in impact melt rocks: age constraints for the Paasselkä impact structure (SE Finland) – Abstract presented at the 40th LPSC (March 23-27, 2009), The Woodlands, Texas, USA, no. 2169.

van Soest, M. C., Wartho, J-A., Monteleone, B. D., Hodges, K., Koeberl, C., Schmieder, M., Buchner, E., Spray, J. G., Bezys, R. & Reimold, W. U. (2009): (U-Th)/He dating of single zircon and apatite crystals - A new tool for dating terrestrial impact structures – Abstract presented at the 40th LPSC (March 23-27, 2009), The Woodlands, Texas, USA, no. 2041.

Wartho, J-A., Schmieder, M., van Soest, M. C., Buchner, E., Hodges, K. V., Bezys, R. & Reimold, W. U. (2009): New (U-Th)/He zircon and apatite ages for the Lake Saint Martin impact structure (Manitoba, Canada) and implications for the Late Triassic multiple impact theory – Abstract presented at the 40th LPSC (March 23-27, 2009), The Woodlands, Texas, USA, no. 2004.

Buchner, E. & Schmieder, M., Strasser, M., Strasser, A. & Kröchert, J. (2009): Impacts on spherules – Abstract presented at the 40th LPSC (March 23-27, 2009), The Woodlands, Texas, USA, no. 1017.

2008

Schmieder, M., Strasser, M., Strasser, A., Kröchert, J. & Buchner, E. (2008): Magnetite spherules in Cenozoic cave sediments of the Schwäbische Alb, SW Germany – Abstract presented at the Paneth Kolloquium (October 29-31, 2008), Nördlingen, Germany, PC2008 Abstracts no. 55, 15-16.

Schmieder, M. & Buchner, E. (2008): Paleoenvironmental charts for terrestrial impact structures - a simple tool to test impact ages and marine/continental impact conditions – Abstract presented at the Large Meteorite Impacts IV Meeting (August 17-21, 2008), Parys, South Africa, no. 3028.

Buchner, E., Deinerth, N. J. & Schmieder, M. (2008): A possible Upper Eocene-Oligocene impact spherule layer in the North Alpine Foreland Basin, Upper Bavaria, Germany? – Abstract presented at the Large Meteorite Impacts IV Meeting (August 17-21, 2008), Parys, South Africa, no. 3104.

Schmieder, M. & Buchner, E. (2008): Can impact ejecta survive fluvial reworking? – Abstract presented at the Large Meteorite Impacts IV Meeting (August 17-21, 2008), Parys, South Africa, no. 3006.

Okumura, T., Gucsik, A., Nishido, H., Ninagawa, K., Schmieder, M. and Buchner, E. (2008): Cathodoluminescence characterization of “ballen quartz” in impactites from terrestrial impact structures – Abstract presented at the 2008 Joint Meeting of The Geological Society of America, Soil Science Society of America, American Society of Agronomy, Crop Science Society of America, Gulf Coast Association of Geological Societies with the Gulf Coast Section of SEPM (October 5-9, 2008), Houston, Texas, USA – GSA Abstracts with Programs 40 (6), 379.

Okumura, T., Gucsik, A., Nishido, H., Ninagawa, K., Schmieder, M. and Buchner, E. (2008) : Cathodoluminescence characterization of "ballen quartz" in impactites – Abstract presented at the 71st Meteoritical Society Meeting (July 28-August 01, 2008), Matsue, Japan, no. 5198.

2007

Schmieder, M. & Buchner, E. (2007): Is "ballen quartz" diagnostic for shock metamorphism? – Abstract presented at the Goldschmidt 2007 Assembly (August 20-24, 2007), Cologne, Germany – Geochimica et Cosmochimica Acta 71 (15), A897.

2006

Schmieder, M. & Buchner, E. (2006): The Faya basin (N Chad, Africa) - a possible impact structure – Abstract presented at the EGU General Assembly (April 02-07, 2006), Vienna, Austria – Geophysical Research Abstracts 8, 03007.

 

doctoral thesis

Schmieder, M. (2010): New aspects of the Middle-Late Triassic terrestrial impact cratering record - 40Ar/39Ar dating of the Rochechouart (France), Manicouagan (Canada), and Paasselkä (Finland) impact structures, paleoenvironmental considerations, and a critical look at the Late Triassic multiple impact theory – Doctoral thesis, University of Stuttgart, 171 pp.

 

diploma thesis

Schmieder, M. (2005): An impact event in the Alborán Domain? - A discussion on possibly shocked quartz grains from the Betic Cordillera (Province of Murcia and Andalusia, SE Spain) – Diploma thesis, University of Stuttgart, 120 pp.