Dokument-ID Dokumenttyp Autoren/innen Persönliche Herausgeber/innen Haupttitel Abstract Auflage Verlagsort Verlag Herausgeber (Institution) Erscheinungsjahr Titel des übergeordneten Werkes Jahrgang/Band ISBN Veranstaltung Veranstaltungsort Beginndatum der Veranstaltung Enddatum der Veranstaltung Ausgabe/Heft Erste Seite Letzte Seite URN DOI Lizenz Datum der Freischaltung OPUS4-42018 Zeitschriftenartikel Bartoschewitz, R.; Appel, P.; Barrat, J.-A.; Bischoff, A.; Caffee, M.W.; Franchi, I.A.; Gabelica, Z.; Greenwood, R.C.; Harir, M.; Harries, D.; Hochleitner, R.; Hopp, J.; Laubenstein, M.; Mader, B.; Marques, R.; Morlok, A.; Nolze, Gert; Prudêncio, M.I.; Rochette, P.; Ruf, A.; Schmitt-Kopplin, P.; Seemann, E.; Szurgot, M.; Tagle, R.; Wach, R.A.; Welten, K. C.; Weyrauch, M.; Wimmer, K. The Braunschweig meteorite − a recent L6 chondrite fall in Germany On April 23rd 2013 at 2:07 a.m., a 1.3 kg meteorite fell in the Braunschweig suburb Melverode (52° 13′ 32.19″ N. 10° 31′ 11.60″ E). Its estimated velocity was 250 km/h and it formed an impact pit in the concrete fall site with a diameter of 7 cm and a depth of 3 cm. Radial dust striae are present around the impact pit. As a result of the impact, the meteorite disintegrated into several hundred fragments with masses up to 214 g. The meteorite is a typical L6 chondrite, moderately shocked (S4) - but with a remarkably high porosity (up to 20 vol%). The meteorite was ejected from its parent body as an object with a radius of about 10-15 cm (15-50 kg). The U,Th-He gas retention age of ∼550 Ma overlaps with the main impact event on the L-chondrite parent body ∼470 Ma ago that is recorded by many shocked L chondrites. The preferred cosmic-ray exposure age derived from production of radionuclides and noble gas isotopes is (6.0 ± 1.3) Ma. 2016 Chemie der Erde 77 1 207 224 10.1016/j.chemer.2016.10.004 2017-09-21