New constraints on the magnetic history of the CV parent body and the solar nebula from the Kaba meteorite


Cosmochemistry Papers

1,2Jérôme Gattacceca, 2Benjamin P. Weiss, 3,4Matthieu Gounelle
Earth and Planetary Science Letters (in Press) Link to Article [http://dx.doi.org/10.1016/j.epsl.2016.09.008]
1CNRS, Aix Marseille Univ, IRD, Coll France, CEREGE, Aix-en-Provence, France
2Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA
3Institut de Mineralogie de Physique des Materiaux et de Cosmochimie, CNRS & Museum National d’Histoire Naturelle, UMR 7202, 75005 Paris, France
4Institut Universitaire de France, 103 Boulevard Saint Michel, 75005 Paris, France
Copyright Elsevier

Recent paleomagnetic studies of Allende CV chondrite as well as thermal modeling suggest the existence of partially differentiated asteroids with outer unmelted and variably metamorphosed crusts overlying differentiated interiors. To further constrain the magnetic history of the CV parent body, we report here paleomagnetic results on Kaba CV chondrite. This meteorite contains 11 wt% pseudo-single domain magnetite, making it a rock…

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