Author:
Ruf Alexander,Kanawati Basem,Hertkorn Norbert,Yin Qing-Zhu,Moritz Franco,Harir Mourad,Lucio Marianna,Michalke Bernhard,Wimpenny Joshua,Shilobreeva Svetlana,Bronsky Basil,Saraykin Vladimir,Gabelica Zelimir,Gougeon Régis D.,Quirico Eric,Ralew Stefan,Jakubowski Tomasz,Haack Henning,Gonsior Michael,Jenniskens Peter,Hinman Nancy W.,Schmitt-Kopplin Philippe
Abstract
The rich diversity and complexity of organic matter found in meteorites is rapidly expanding our knowledge and understanding of extreme environments from which the early solar system emerged and evolved. Here, we report the discovery of a hitherto unknown chemical class, dihydroxymagnesium carboxylates [(OH)2MgO2CR]−, in meteoritic soluble organic matter. High collision energies, which are required for fragmentation, suggest substantial thermal stability of these Mg-metalorganics (CHOMg compounds). This was corroborated by their higher abundance in thermally processed meteorites. CHOMg compounds were found to be present in a set of 61 meteorites of diverse petrological classes. The appearance of this CHOMg chemical class extends the previously investigated, diverse set of CHNOS molecules. A connection between the evolution of organic compounds and minerals is made, as Mg released from minerals gets trapped into organic compounds. These CHOMg metalorganic compounds and their relation to thermal processing in meteorites might shed new light on our understanding of carbon speciation at a molecular level in meteorite parent bodies.
Publisher
Proceedings of the National Academy of Sciences
Cited by
45 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献