Abstract : We present a study by IR and Raman of the insoluble organic matter from 28 CI, CR, CM and ung-C2 chondrites. We evidence a chemical heterogeneity of the solar nebula and that thermal heating was the sole parent body process that modified IOM.
E. Quirico, F.-R. Orthous-Daunay, L. Bonal, P. Beck, R. Brunetto, et al.. The Multiple Origins of Insoluble Organic Matter from Primitive Chondrites. Asteroids, Comets, Meteors 2012, 2012, Niigata, Japan. ⟨in2p3-00780146⟩