Fig. 2. Elemental compositions of the Ryugu samples.

The elemental profiles of A0106 (i.e., 1st touchdown site) and C0107 (i.e., 2nd touchdown site) for carbon (C, wt%), nitrogen (N, wt%), and hydrogen (H, wt%). with those of reference carbonaceous chondrites (CI, CM, CO, CR, and CV; Naraoka et al.⁶ and the supplementary information). Based on repeated measurements of very fine-grained samples, both A0106 and C0107 were found to have similar elemental abundances (C, N, H). The blue square stands for bulk C (5.1 ± 0.4 wt%) and N (0.26 ± 0.01 wt%) profiles of the Zag clast⁵³.