Dr. Ansgar Greshake

Tasks

• Curator of meteorite collection
• Lab Manager Mineral Preparation
• Collection: Meteorites

Research

• Formation of high-pressure phases in Martian meteorites
• Formation of matrix phases in carbonaceous chondrites
• Classification of new meteorites

Research projects

• Shock metamorphism of Martian meteorites
• Thermal and mechanical properties of carbonaceous chondrites

Publications (Selection)

Fritz, J., Greshake, A., Klementova, M., Wirth, R., Palatinus, L., Trønnes, R. G., Fernandes, V. A. S. M., Boettger, U., and Ferrière, L. (2020) Donwilhelmsite, [CaAl4Si2O11], a new lunar high-pressure Ca-Al-silicate with relevance for subducted terrestrial sediments. American Mineralogist 105, 1704-1711

Otto, K. A., Schröder, S. E., Scharf, H. D., Greshake, A., Schmitz, N., Trauthan, F., Pieth, S., Stephan, K., Ho, T.-M., Jaumann, R., Koncz, A., Michalik, T., and Yabuta, H. (2021) Spectral and Petrographic Properties of Inclusions in Carbonaceous Chondrites and Comparison with In Situ Images from Asteroid Ryugu. The Planetary Science Journal 2, 188

Schmitt-Kopplin, P., Matzka, M., Ruf, A., Menez, B., Chennaoui Aoudjehane, H., Harir, M., Lucio, M., Hertzog, J., Hertkorn, N., Gougeon, R. D., Hoffmann, V., Hinman, N. W., Ferrière, L., Greshake, A., Gabelica, Z., Trif, L., and Steele, A. (2023) Complex carbonaceous matter in Tissint martian meteorites give insights into the diversity of organic geochemistry on Mars (2023) Science Advanced, DOI 10.1126/sciadv.add6439

Suttle, M. D., King, A. J., Harrison, C. S., Chan, Q. H. S., Greshake, A., Bartoschewitz, R., Tomkins, A. G., Salge, T., Schofield, P. F., and Russell, S. S. (2023) The mineralogy and alteration history of the Yamato-type (CY) carbonaceous chondrites. Geochimica et Cosmochimica Acta 361, 245-264

Aucamp, T., Howarth, G. H., Peel, C. J., Costin, G., Day, J. M. D., Le Roux, P., Scott, J. M., Greshake, A., and Bartoschewitz, R. (2023) Petrogenesis of the Dar al Gani (DaG) 1.1 Ma ejection-paired olivine-phyric shergottites and implications for ~470 Ma Martian volcanism (2023). Meteoritics & Planetary Science 58, 1654-1676

Gattacceca, J., McCubbin, F. M., Grossman, J. N., Schrader, D. L., Cartier C., Consolmagno G., Goodrich, C., Greshake, A., Gross, J., Joy, Miao B., and Zhang B. (2024) The Meteoritical Bulletin, No. 112. Meteoritics & Planetary Science 59, 1820-1823

Gattacceca, J., McCubbin, F. M., Grossman, J. N., Schrader, D. L., Cartier C., Consolmagno G., Goodrich, C., Greshake, A., Gross, J., Joy, Miao B., and Zhang B. (2025) The Meteoritical Bulletin, No. 113. Meteoritics & Planetary Science 60, 1587-1591