Figure 1From: Sequential analysis of carbonaceous materials in Hayabusa-returned samples for the determination of their originBackscattered electron images of category 3 particles. White bars show 50 μm. Particles allocated to the first and second examinations are shown in the top and middle rows of the figure. RA-QD02-0190 is classified as fibrous type (type 2), and RB-QD04-0001 and RB-CV-0055 are classified as faint type (type 3).Back to article page