Visiting Scientist
Lunar and Planetary Institute

wittmann@lpi.usra.edu

Abstracts

2003    Wittmann, A., Kenkmann, T., Schmitt, R. T., Hecht, L., and Stöffler, D., Impact melt rocks in the "Cretaceous megablock sequence" of drill core Yaxcopoil-1, Chicxulub crater, Yucatan, Mexico., 3rd Conference on Large Meteorite Impacts, Nördlingen, Germany.

2003    Wittmann, A., Kenkmann, T., Schmitt, R. T., and Stöffler, D., Polymict clastic dikes in the megablock sequence of the ICDP-Chicxulub drill core YAX-1, EGS-AGU-EUG Joint Assembly, Nice, France.

2003    Wittmann, A., Kleinschrodt, R., and Tobschall, H., Underplating intrusives in the Ivrea Zone, North Italy, DGG-DMG, Bochum, Germany.

2003    Wittmann, A., Kenkmann, T., Schmitt, R. T., and Stöffler, D., Clastic polymict dikes in the "Megablock" sequence of the ICDP-Chicxulub drill core Yax-1, Lunar and Planetary Science, Houston.

2003    Wittmann, A., Kleinschrodt, R., and Tobschall, H., Ultramafic dikes in the uppermost Val Strona di Omegna, Ivrea Zone, Italy, EGS-AGU-EUG Joint Assembly, Nice, France.

2004    Wittmann, A., Kenkmann, T., Stöffler, D., Hecht, L., Schmitt, R. T., Lüders, V., Tagle, R. A., Scherler, D., Ivanov, B. A., Artemieva, N. A., and Erzinger, J., Chicxulub impact structure: Shock Metamorphism, Post-Shock Deformations, and Hydrothermal Alterations, ICDP/ODP Kolloquium, Bremen, Germany.

2004    Wittmann, A., Stöffler, D., Schmitt, R. T., Tagle, R., Kenkmann, T., and Hecht, L., Zircon as a shock indicator in impactites of drill core Yaxcopoil-1, Chicxulub impact structure, Mexico, Lunar and Planetary Science, Houston.

2004    Wittmann, A., Tagle, R., Kenkmann, T., and Stöffler, D., Shocked features in zircon from the Popigai impact structure, Siberia, DGG-DMG, Karlsruhe, Germany.

2004    Wittmann, A., Kenkmann, T., Hecht, L., Schmitt, R. T., and Stöffler, D., Shocked zircon in drill core Yaxcopoil-1, Chicxulub impact structure, Mexico, DGG-DMG, Karlsruhe, Germany.

2004    Wittmann, A., Tagle, R., Kenkmann, T., and Stöffler, D., In situ study of shocked zircons from the Chicxulub and Popigai impact structures, in Geological Society of America, Denver.

2005    Wittmann, A., Kenkmann, T., Schmitt, R. T., Hecht, L., and Stöffler, D., Shock metamorphism and thermal annealing of zircon in the ICDP-Chicxulub drill core Yaxcopoil-1, ICDP/ODP Kolloquium, Potsdam, Germany.

2005    Wittmann, A., Kenkmann, T., Hecht, L., and Stöffler, D., Anatomy of an ejecta plume - Insights from a detailed study of suevites from Chicxulub, Paneth Kolloquium, Nördlingen, Germany.

2006    Wittmann, A., Kenkmann, T., Hecht, L., and Stöffler, D., Composition and characteristics of the Chicxulub ejecta plume, Lunar and Planetary Science, Houston.

2006    Wittmann, A., Kenkmann, T., Hecht, L., and Stöffler, D., Chicxulub fireball systematics: Implications from the composition and shock metamorphism of its deposits, in 40th ESLAB Symposium: 1st International Conference on Impact Cratering in the Solar System, Noordwijk, Netherlands.

2006    Wittmann, A., Stöffler, D., Kenkmann, T., and Hecht, L., Textural properties of melt particles in the Chicxulub fireball deposits, 40th ESLAB Symposium: 1st International Conference on Impact Cratering in the Solar System, Noordwijk, Netherlands.

2006    Wittmann, A., Stöffler, D., Hecht, L., and Kenkmann, T., Implications for the Chicxulub fireball derived from a systematic analysis of its deposits, Meteoritical Society 69th Annual Meeting, Zürich.

2006    Wittmann, A., Stöffler, D., Hecht, L., and Kenkmann, T., Reconstructing the deposition sequence of the Chicxulub impact crater's ejecta plume, 96th Annual Meeting of the Geologische Vereinigung, e.V., Potsdam, p. 105–106.

2007    Wittmann, A., Kenkmann, T., Hecht, L., and Stöffler, D., Reconstruction of the Chicxulub ejecta plume's depositional history at drill core Yaxcopoil-1, Lunar and Planetary Science Conference, Houston.

2007    Wittmann, A., and Kenkmann, T., Indications for fluidization of the Ries crater's ejecta blanket, Bridging the Gap 2, Saint-Hubert, Canada.

2008    Wittmann, A., Reimold, U., Kenkmann, T., and Hansen, B., Petrography of the suevite-like depth interval (1397-1550 m) in drill core Eyreville-B, Chesapeake Bay impact structure, USA, Lunar and Planetary Science Conference, Houston.

2008    Wittmann, A., Hecht, L., Reimold, W. U., Schmitt, R. T., Kenkmann, T., Hansen, B., and Fernandes, V. A., 2008, Petrology of melt bearing lithologies in drill core Eyreville-B, Chesapeake Bay impact structure, IODP/ICDP-Kolloquium 2008, Hannover.

2008    Wittmann, A., and Reimold, W. U., The volume of impact melt in the Chesapeake Bay crater, Large Meteorite Impacts and Planetary Evolution IV, Parys, South Africa.

2008    Wittmann, A., Fernandes, V. A., Renne, P. R., Schmitt, R. T., Reimold, W. U., Hecht, L., and Povenmire, H., Preliminary age of impact melts from the Chesapeake Bay impact structure, Large Meteorite Impacts and Planetary Evolution IV, Parys, South Africa.

2008    Wittmann, A., Kring, D. A., Reimold, W. U., Hecht, L., Schmitt, R. T., and Fernandes, V. A., Petrology of impact melt rocks from the Chesapeake Bay crater, Geological Society of America Annual Meeting, Houston.

2008    Wittmann, A., Kring, D. A., and Reimold, W. U., Chesapeake Bay, Montagnais, and Manson Craters- Same Thing ?, Geological Society of America Annual Meeting, Houston.

2008    Wittmann, A., Kring, D. A., Reimold, W. U., Hecht, L., Schmitt, R. T., and Fernandes, V. A., Petrology of impact melt rocks from the Chesapeake Bay crater, Geological Society of America Annual Meeting.

2008    Wittmann, A., Kring, D. A., and Reimold, W. U., Chesapeake Bay, Montagnais, and Manson Craters- Same Thing ?, Geological Society of America Annual Meeting, Houston.

2009    Wittmann, A., Weirich, J. R., Swindle, T. D., Rumble, D., III, and Kring, D. A., Petrography of MIL05029, the first accretional impact melt from the L-chondrite parent body, Lunar and Planetary Science Conference, Houston.

2009    Wittmann A. and Kenkmann T., Fluidization of the Ries crater's ejecta blanket. Meteoritical Society 72nd Annual Meeting. Lunar and Planetary Institute, Nancy.

2009    Wittmann A., Swindle T. D. and Kring D. A., Clast-rich H-chondrite impact melts. Meteoritical Society 72nd Annual Meeting. Nancy.

2009    Wittmann A., Formation and emplacement of impactites in large terrestrial impact structures. In NIR – Network on Impact Research, A PhD-student workshop and excursion with a special invited session on Crater mechanics and structural characteristics, Network on Impact Research Workshop, Gol, Norway.

2009    Wittmann A., Reimold W. U., and Kring D. A., Shock metamorphosed zircon from the Chesapeake Bay impact crater. American Geophysical Union Joint Meeting, Toronto.

2009    Wittmann A., Weirich J. R., Swindle T. D., Rumble D. I., and Kring D. A., Accretional Impact Melt From the L-Chondrite Parent Body. American Geophysical Union Joint Meeting, Toronto.

2009     Wittmann A., Swindle T. D., and Kring D. A. (2009) Impact Cratering on the H-Chondrite Parent Asteroid. First Arab Impact Cratering and Astrogeology Conference, Amman, Jordan.

2010    Wittmann, A., Kring, D. A., Friedrich, J. M., Troiano, J., Swindle, T. D., Weirich, J. A., Macke, R. J., Britt, D. T. and Rumble, D. III., Highly porous and compositionally intermediate ordinary chondrite LAP 031047. Lunar and Planetary Science Conference.

2010    Wittmann, A., Kring, D. A., Irving, A. J., and Swindle, T. D., Investigating the impact cratering record in lunar meteorite SHIŞR 161. Center for Lunar Science and Exploration Team Workshop, Houston.

2011    Wittmann, A., Swindle, T. D., Lapen, T., and Kring, D. A., Ancient regolith breccias 60016, 61135, and 66035: Petrography and Provenance of impact melt and granulite particles. NASA Lunar Science Institute - Center for Lunar Science and Exploration Team Workshop, Houston.

2011    Wittmann, A., Swindle, T. D., Greshake, A., Rumble III, D., and Kring, D. A., Geological context of ordinary chondrite impact melt NWA 4150. Lunar and Planetary Science Conference, Houston.

2011    Wittmann, A., Lapen, T., Swindle, T. D., and Kring, D. A., Petrography and Provenance of impact melt and granulite particles from the ancient regolith breccias 60016, 61135, and 66035. Lunar and Planetary Science Conference, Houston.

2011    Wittmann, A., Goderis, S., and Claeys, P., Preliminary petrography of impactites from El'gygytgyn crater, NE Siberia, including cores from ICDP-lake drilling hole D1. Lunar and Planetary Science Conference, Houston.

2011    Wittmann, A., Hiroi, T., Ross, D. K., Herrin, J. S., Rumble III, D., and Kring, D. A. (2011) Eucrite impact melt NWA 5218 - Evidence for a large crater on Vesta. Lunar and Planetary Science Conference, Houston.

2012     Wittmann, A., Goderis, S., Claeys, P., Elburg, M., Vanhaecke, F., Zaiss, J., Ravizza, G., and Deutsch, A. Depositional record of pristine impactites and traces of the projectile in El’gygytgyn Crater. Lunar and Planetary Science Conference, Houston.

2012     Wittmann, A., Korotev, R. L., Jolliff, B. L., and Irving, A. J. Spherules and glasses in Lunaite Shişr 161 record reworked regolith and a magnesian component of the Feldspathic Highlands Terrane, Second Conference on the Lunar Highlands Crust, Bozeman, Montana.

2013     Wittmann, A., Korotev, R. L., and Jolliff, B. L. Feldspathic Granulite Clasts in Lunar Meteorite Shişr 161 — Cumulates from a Differentiated Basin Melt Sheet? Lunar and Planetary Science Conference, Houston.

2013     Wittmann, A., and Korotev, R. L. Iron-Nickel(-Cobalt) Metal in Lunar Rocks Revisited, Lunar and Planetary Science Conference, Houston.

2013     Wittmann, A., Korotev, R. L., Jolliff, B. L., and Lapen, T. J. Trace element composition of impact melts in lunar meteorite Shişr 161, Meteoritical Society 76th Annual Meeting, Edmonton, Canada.

2013     Wittmann, A., Korotev, R. L., Jolliff, B. L., Kuehner, S. M., and Irving, A. J. Petrology of impact melt rich martian regolith breccia Northwest Africa 7475, Meteoritical Society 76th Annual Meeting, Edmonton, Canada.

2014     Wittmann A., Korotev R. L., and Jolliff B. L. Third of a kind – Impact melted lunar granulitic breccia meteorite Dhofar 1766. 45th Lunar and Planetary Science Conference, Houston, talk.

2014     Filiberto J., Gross J., Trela J., Cannon K. M., Penniston-Dorland S., Wittmann A., Jolliff B. L., Carpenter P., Ferré E. C., and Mustard J. Gabbroic Shergottite Northwest Africa 6963. 77th Annual Meeting of the Meteoritical Society, Casablanca, Morocco, talk.

2014     Welten K. C., Huber L., Caffee M. W., Wittmann A., Kring D. A., Wieler R., and Nishiizumi K. What heated H/L chondrite LaPaz Icefield 031047 ~0.5 million years ago ? 77th Annual Meeting of the Meteoritical Society, Casablanca, Morocco, talk.

2014     Zanetti M., Wittmann A., Nemchin A., Carpenter P., Vicenzi E. P., and Jolliff B. Decomposition of zircon in Mistastin Lake impact melt glass: An integrated SIMS, hyperspectral-Cl, Raman and EPMA study. 77th Annual Meeting of the Meteoritical Society, Casablanca, Morocco, talk.

2014     Wittmann A., Korotev R. L., Jolliff B. L., Chennaoui-Aoudjehane, H. Irving, A. J. Petrology and chemistry of a lunar feldspathic impact melt rock meteorite from Oued Awlitis, Morocco. 77th Annual Meeting of the Meteoritical Society, Casablanca, Morocco, talk.

2015     Korotev R. L., Irving, A. J., Wittmann A., Kuehner S. M., Chennaoui-Aoudjehane H., and Labenne L. Petrology and composition of lunar mare basalt meteorite Northwest Africa 8632 from Chwichiya, Morocco. 46th Lunar and Planetary Science Conference, poster.

2015     Wittmann A., Korotev R. L., and Jolliff B. L. Lunar mantle spinel in Dhofar 1528? 46th Lunar and Planetary Science Conference, talk.

2015     Wittmann A., Korotev R. L., Jolliff B. L., and Irving, A. J. Petrogenesis of lunar poikilitic impact melt meteorite Oued Awlitis 001. 46th Lunar and Planetary Science Conference, poster.



Last updated
April 21, 2015