• Research Areas

    • Ureilitic lithologies of the meteoritic breccia Almahata Sitta (Asteroid 2008/TC3)
    • aquoeous alteration and the significance of fluids in volatile-rich clasts
    • Formation and evolution of regolith on asteroids and the Moon
  • CV

    Education

    -
    PhD - Institut für Planetologie, WWU Münster
    -
    Master of Science: Planetology - Institut für Planetologie, WWU Münster - "Identification and characterization of volatile-rich clasts in brecciated meteorites"
    -
    Bachelor of Science: Geosciences - Institut für Planetologie, WWU Münster - "Textural and microchemical investigation of selected ureilitic fragments from the Almahata Sitta strewnfield"

    Positions

    since
    Research assistant (Postdoc), Institute for Planetology, Westfälische Wilhelms-Universität Münster
    since
    Research assistant (doctoral student), Institute for Planetology, Westfälische Wilhelms-Universität Münster
    -
    Research assistant, Institut für Planetologie, Westfälische Wilhelms-Universität Münster

    Honors

    Brian Mason Award 2018 – Meteoritical Society and International Meteorite Collectors Association (IMCA)
  • Publications

    Research articles (journals)
    • Goodrich C.A., Collinet M., Treiman A., Prissel T.C., Patzek M., Ebert S., Jercinovic M.J., Bischoff A., Pack A., Barrat J.-A., Decker S. . ‘The first main group ureilite with primary plagioclase: A missing link in the differentiation of the ureilite parent body.’ Meteoritics and Planetary Science 2022, No. 57: 1589-1616. doi: 10.1111/maps.13889.
    • Bischoff A., Bannemann L., Decker S., Ebert S., Haberer S., Heitmann U., Horstmann M., Klemm K. I., Kraemer Ann-Kathrin, Lentfort S., Patzek M., Storz J., Weyrauch M. . ‘Asteroid 2008 TC3, not a polymict ureilitic but a polymict C1 chondrite parent body? Survey of 249 Almahata Sitta fragments.’ Meteoritics and Planetary Science 2022, No. 57: 1339-1364. doi: 10.1111/maps.13821.
    • Ruesch, Ottaviano; Marshal, Rachael M.; Iqbal, Wajiha; Pasckert, Jan Hendrik; van der Bogert, Carolyn H.; Patzek, Markus. . ‘Catastrophic rupture of lunar rocks: Implications for lunar rock size–frequency distributions.’ Icarus 387: 115200. doi: 10.1016/j.icarus.2022.115200.
    Abstracts as ePaper (Conferences)
    • Ebert S., Nagashima K., Krot A. N., Patzek M., Bischoff A.Al-rich chondrules from unequilibrated ordinary and CO carbonaceous chondrites: Evidence for 16O-enriched refractory precursors.’ contributed to the Meteoritical Society Meeting, Glasgow, .
    • Kerraouch I., Bischoff A., Zolensky M. E., Trieloff M., Krot A. N., Nagashima K., Vollmer C., Patzek M., Ebert S., Radić D., Treiman A., Rubin A. E.Discovery of hydrated clasts with very high abundance of ferromagnesian 16O-rich olivine: Inner or outer solar system origin?’ contributed to the Meteoritical Society Meeting, Glasgow, .

    Research articles (journals)
    • Lentfort S., Bischoff A., Ebert S., and Patzek M. . ‘Classification of CM chondrite breccias – implications for the evaluation of samples from the OSIRIS-REx and Hayabusa 2 missions.Meteoritics & Planetary Science 56: 127-147. doi: 10.1111/MAPS.13486.
    • Kerraouch I., Bischoff A., Zolensky M. E., Pack A., Patzek M., Hanna R. D., Fries M. D., Harries D., Kebukawa Y., Le L., Ito M., and Rahman Z. . ‘The polymict carbonaceous breccia Aguas Zarcas: A potential analogue to samples being returned by the OSIRIS-REx and Hayabusa2 missions.Meteoritics & Planetary Science 56: 277-310. doi: 10.1111/maps.13620.
    Research Articles in Proceedings (Conferences)
    • Kerraouch I., Bischoff A., Zolensky M. E., Pack A., Patzek M., and Trieloff M. . ‘A unique chondrite clast in the NWA 13262 (L3 breccia) bearing similarities to carbonaceous and ordinary chondrites.’ Contributed to the Meteoritical Society Meeting, Chicago.
    Abstracts as ePaper (Conferences)
    • Patzek M., Bischoff A., Ludwig T., Whitehouse M., Trieloff M., Visser R., and John T.O-isotope signatures of olivine and pyroxene grains in C1 and CM-like clasts.’ contributed to the Meteoritical Society Meeting, Chicago, .

    Research articles (journals)
    • Lunning N.G., Bischoff A., Gross J., Patzek M., Corrigan C. M., and McCoy T. J. . ‘Insights into the formation of silica-rich achondrites from impact melts in Rumuruti-type chondrites.’ Meteoritics & Planetary Science 55: 130-148. doi: 10.1111/maps.13430.
    • Patzek M., Hoppe P., Bischoff A., Visser R., and John T. . ‘Hydrogen isotopic composition of CI- and CM-like clasts from meteorite breccias – Sampling unknown sources of carbonaceous chondrite material.Geochim. Cosmochim. Acta 272: 177-197. doi: 10.1016/j.gca.2019.12.017.
    • Hellmann J L, Kruijer T S, Metzler K, Patzek M, Pack A, Berndt J, Kleine T. . ‘Hf-W chronology of a macrochondrule from the L5/6 chondrite Northwest Africa 8192.’ Meteoritics and Planetary Science 55, No. 10: 2241-2255. doi: 10.1111/maps.13571.
    • Visser R., John T., Whitehouse M. J., Patzek M, and Bischoff A. . ‘A short-lived 26Al induced hydrothermal alteration event in the outer solar system: Constraints from Mn/Cr ages of carbonates.Earth Planetary Science Letters 547: 116440.
    Abstracts as ePaper (Conferences)
    • Kerraouch I., Bischoff A., Zolensky M.E., Pack A., Patzek M., Wölfer E., Burkhardt C., and Fries M.Characteristics of a new carbonaceous, metal-rich lithology found in the carbonaceous chondrite breccia Aguas Zarcas.’ contributed to the 51st Lunar and Planetary Science Conference, Woodlands, USA, .

    Research articles (journals)
    • Ebert S., Patzek M., Lentfort S., and Bischoff A. . ‘Accretion of differentiated achondritic and aqueously-altered chondritic materials in the Early Solar System - significance of an igneous fragment in the CM chondrite NWA 12651.Meteoritics & Planetary Science 54: 2985–2995. doi: 10.1111/maps.13407.
    • Bischoff A., Schleiting M., and Patzek M. . ‘Shock stage distribution of 2280 ordinary chondrites – Can bulk chondrites with a shock stage S6 exist as individual rocks?Meteoritics & Planetary Science 54: 2189-2202. doi: 10.1111/maps.13208.
    • Bischoff A., Barrat J.-A., Berndt J., Borovicka J., Burkhardt C., Busemann H., Hakenmüller J., Heinlein D., Hertzog J., Kaiser J., Maden C., Meier M. M. M., Morino P., Pack A., Patzek M., Reitze M. P., Rüfenacht M., Schmitt-Kopplin P., Schönbächler M., Spurny P., Weber I., Wimmer K., and Zikmund T. . ‘The Renchen L5-6 chondrite breccia – the first confirmed meteorite fall from Baden-Württemberg (Germany).Geochemistry – Chemie der Erde 79: 125525. doi: 10.1016/j.chemer.2019.07.007.
    • Alfing J., Patzek M., and Bischoff A. . ‘Modal abundances of coarse-grained (>5 µm) components within CI-chondrites and their individual clasts – mixing of various lithologies on the CI parent body(ies).Geochemistry – Chemie der Erde 79: 125532. doi: 10.1016/j.chemer.2019.08.004.
    • Haack H., Sørensen A. N., Bischoff A., Patzek M., Barrat J.-A., Midtskoge S., Stempel E., Laubenstein M., Greenwood, Schmitt-Kopplin R. P, Busemann H., Maden C., Bauer K., Schönbächler M., and Dahl-Jensen T. . ‘Ejby - a new H5/6 ordinary chondrite fall in Copenhagen, Denmark.Meteoritics & Planetary Science 54: 1853-1869. doi: 10.1111/maps.13344.
    • Kerraouch I., Ebert S., Patzek M., Bischoff A., Zolensky M. E., Pack A., Schmitt-Kopplin P., Belhai D., Bendaoud A., and Le L. . ‘A light, chondritic xenolith in the Murchison (CM) chondrite – formation by fluid-assisted percolation during metasomatism?Geochemistry - Chemie der Erde 79: #125518. doi: 10.1016/j.chemer.2019.06.002.
    • Visser R, John T, Patzek M, Bischoff A, Whitehouse MJ. . ‘Sulfur isotope study of sulfides in CI, CM, C2ung chondrites and volatile-rich clasts–Evidence for different generations and reservoirs of sulfide formation.’ Geochimica et Cosmochimica Acta 261: 210-223.
    • Bischoff A., Schleiting M., and Patzek M. . ‘Shock stage distribution of 2280 ordinary chondrites – can bulk chondrites with a shock stage S6 exist as individual rocks?Meteoritics & Planetary Science 54. doi: 10.1111/maps.13208.
    Research Articles in Proceedings (Conferences)
    • Alfing J., Patzek M., and Bischoff A. . ‘Modal abundances of coarse-grained (>5 µm) components within CI-chondrites and their individual clasts.’ Contributed to the GeoMünster 2019, Münster.
    • Alfing J., Patzek M., and Bischoff A. . ‘Modal abundances of coarse-grained components within CI-chondrites and their individual clasts.’ Contributed to the Paneth-Kolloquium, Nördlingen.
    • Ebert S., Patzek M., Shollenberger Q. R., Bischoff A., and Brennecka G. A. . ‘Rare earth elements and O-Al-Mg isotope systematics from a >200 µm corundum grain in a CAI of the CK3 chondrite NWA 4964.’ Contributed to the Meteoritical Society Meeting, Sapporo.
    • Kerraouch I., Bischoff A., Zolensky M. E., Ebert S., Patzek M., Pack A., Schmitt-Kopplin P., Belhai D., Bendaoud A., and Le L. . ‘A chondritic xenolith in the Murchison (CM2) chondrite formed by fluid-assisted percolation during metasomatism.’ Contributed to the Meteoritical Society Meeting, Sapporo.
    • Kerraouch I., Bischoff A., Zolensky M. E., Ebert S., Patzek M., Pack A., and Schmitt-Kopplin P. . ‘A xenolith in the Murchison CM chondrite formed by fluid-assisted percolation during metasomatism (CM6?).’ Contributed to the Paneth-Kolloquium, Nördlingen.
    • Patzek M., Bischoff A., Hoppe P., Pack A., Visser R., and John T. . ‘Oxygen and hydrogen isotopic evidence for the existence of several C1 parent bodies in the early solar system.’ Contributed to the 50th Lunar and Planetary Science Conference, Woodlands.
    • Patzek M., Kadlag Y., Bischoff A., Visser R., Becker H., and John T. . ‘.: Chromium isotopes and trace element concentration of xenolithic C1 clasts in brecciated chondrites and achondrites.’ Contributed to the Meteoritical Society Meeting, Sapporo.
    • Patzek M., Kadlag Y., Bischoff A., Visser R., Becker H., and John T. . ‘Xenolithic C1 clasts and their relation to the host rocks revealed by chromium isotopes and trace element concentrations.’ Contributed to the Geomünster 2019, Münster.
    • Patzek M., Kadlag Y., Bischoff A., Visser R., Becker H., and John T. . ‘Assessing different types of CI material by H, O, and Cr isotope systematics.’ Contributed to the Paneth-Kolloquium, Nördlingen.
    • Visser R., John T., Patzek M., Bischoff A., and Whitehouse M. J. . ‘Hydrothermal alteration in the outer solar System.’ Contributed to the Paneth-Kolloquium, Nördlingen.
    • Visser R., John T., Patzek M., Bischoff A., and Whitehouse M. J. . ‘Manganese-chromium ages of carbonates in aqueously-altered carbonaceous chondrites and clasts.’ Contributed to the Meteoritical Society Meeting, Sapporo.

    Research articles (journals)
    • Bischoff A., Schleiting M., Wieler R., and Patzek M. . ‘Brecciation among 2280 ordinary chondrites – constraints on the evolution of their parent bodies.Geochim. Cosmochim. Acta 238: 516-541. doi: 10.1016/j.gca.2018.07.020.
    • Patzek M., Bischoff A., Visser R., and John T. . ‘Mineralogy of volatile-rich clasts in brecciated meteorites.Meteoritics & Planetary Science 53: 2519-2540. doi: 10.1111/maps.13175.
    • Visser R., John T., Menneken M., Patzek M., and Bischoff A. . ‘Temperature constraints by Raman spectroscopy of organic matter in volatile-rich clasts and carbonaceous chondrites.Geochim. Cosmochim. Acta 241: 38-55.
    Research Articles in Proceedings (Conferences)
    • Bischoff A., Patzek M., Ebert S., Pack A., Kerraouch I., and Zolensky M. E. . ‘A large, light fragment in the Murchison (CM) breccia - a unique, highly-metamorphosed chondrite as a xenolith in a CM chondrite.’ Contributed to the MetSoc, Moskau.
    • Ebert S., Patzek M., and A. Bischoff A. . ‘A remarkable and well-rounded Zn-CAI in the CO3 chondrite Dar al Gani 083.’ Contributed to the MetSoc, Moskau.
    • Ebert S., Patzek M., and A. Bischoff A. . ‘Xenolithic fragment in the CM chondrite Mukundpura: Greetings from the Tucson parent body?’ Contributed to the MetSoc, Moskau.
    • Kerraouch I., Zolensky M. E., Bischoff A., Le L., Belhaï D., Patzek M., Ebert S. . ‘Mineralogical study of a white clast from Murchison (CM2): comparison with R-chondrites.’ Contributed to the MetSoc, Moskau.
    • Lunning N. G., Bischoff A., Gross J., Patzek M., McCoy T. J., and Corrigan C. M. . ‘Disequilibrium crystallization of Rumuruti chondrite impact melts.’ Contributed to the 2018 Fall Meeting, AGU, Washington, D.C.
    • Patzek M., Bischoff A., Ludwig T., Trieloff M., Visser E., and John T. . ‘O-isotopes of mineral constituents of CI-like clasts from ureilites.’ In Meteoritics & Planetary Science 53, #6256.
    • Patzek M., Pack A., Bischoff A., Visser R., and John T. . ‘O-isotope composition of CI- and CM-like clasts in ureilites, HEDs, and CR chondrites.’ In Meteoritics & Planetary Science 53, 6254.
    • Patzek M., Bischoff ., Pack A., Hoppe P., Visser R. and John T. . ‘How many CI-like parent bodies existed in the Early Solar System?’ Contributed to the 2018 Fall Meeting, AGU, Washington, D.C.
    • Visser R., John T., Patzek M., and Bischoff A., and Whitehouse M. . ‘Sulfur isotope composition of sulfides in carbonaceous chondrites and volatile-rich CI- and CM-like clasts from various chondrites and achondrites.’ Contributed to the MetSoc, Moskau.
    • Visser R., JohnT., Patzek M., Bischoff A., and Whitehouse M. . ‘In situ sulfur isotope study of sulfides in carbonaceous chondrites and volatile-rich clasts.’ Contributed to the 2018 Fall Meeting, AGU, Washington, D.C.

    Research articles (journals)
    • Morlok A., Bischoff A., Patzek M., Sohn M., Hiesinger H. . ‘Chelyabinsk – a rock with many different (stony) faces: An infrared study.’ Icarus 284, No. null: 431-442. doi: 10.1016/j.icarus.2016.11.030.
    Research Articles in Proceedings (Conferences)
    • Visser R., John T., Menneken M., Patzek M., and Bischoff A. . ‘Raman carbon thermometry constraints of low temperature carbonaceous chondrites and volatile-rich clasts.’ Contributed to the Paneth Kolloquium, Nördlingen (Germany).
    • Visser R., John T., Menneken M., Patzek M., and Bischoff A. . ‘Raman temperature constrains of volatile-rich clasts in polymict ureilites, polymict eucrites, and howardites.’ Contributed to the Meteoritics & Planetary Science, Santa Fe.
    • Patzek M., Hoppe P., Bischoff A., Visser R., and John T. . ‘CI-like clasts in polymict ureilites and HEDs: Identification of components from an so far unknown carbonaceous chondrite parent body.’ Contributed to the Paneth Kolloquium, Nördlingen (Germany).
    • Patzek M., Hoppe P., Bischoff A., Visser R., and John T. . ‘Brecciation of CI chondrites: Uncoupled D/H and elemental ratios in individual fragments – Evidence for a low variability in D/H ratio after alteration.’ Contributed to the Meteoritics & Planetary Science, Santa Fe.
    • Patzek M., Hoppe P., Bischoff A., Visser R., and John T. . ‘Water-bearing, volatile-rich clasts in howardites and polymict ureilites – carriers of Deuterium-enriched waters not sampled by individual meteorites.’ Contributed to the Meteoritics & Planetary Science, Santa Fe.
    • Alfing J., Patzek M., and Bischoff, A. . ‘Modal abundances of accessory phases within clasts in CI chondrites.’ Contributed to the Paneth Kolloquium, Nördlingen (Germany).

    Research Articles in Proceedings (Conferences)
    • Patzek M., Ebert S., Bischoff A. . ‘New Volatile-Rich Clasts from Brecciated Chondrites and Achondrites.’ Contributed to the 79th Annual Meeting of the Meteoritical Society, Berlin.
    Abstracts as ePaper (Conferences)
    • Bischoff A., Ebert S., Patzek M., Horstmann M., Pack A., Decker S.Almahatta Sitta News: Well-Known Varieties and New Species in the Zoo.’ contributed to the 79th Annual Meeting of the Meteoritical Society, Berlin, .

    • Patzek M. and Bischoff A.Search and characterization of volatile-rich clasts in brecciated meteorites.’ contributed to the Meteritical Society Meeting, Berkeley, .
    • Patzek M. and Bischoff A.Characterization of new volatile-rich clasts found in brecciated chondrites and achondrites.’ contributed to the Paneth-Kolloquium, Nördlingen, .
    • Bischoff A., Ebert S., Patzek M., Horstmann M., Pack A., Barrat J.-A., and Decker S.New individuals from the Almahata Sitta strewn field: Old friends and brand-new fellows.’ contributed to the Meteoritics & Planetary Science, Berkeley, .

    • Patzek M, Bischoff A, Horstmann M.Textural and chemical studies of selected ureilitic fragments from the Almahata Sitta strewnfield.’ contributed to the Paneth Kolloquium, Nördlingen, Deutschland, .