Figure 1 (IMAGE)

Okayama University

Figure 1

Caption

A representative texture of the Ryugu particle (A0022). (a) An optical image of an entire view of the particle. The rough and irregular surface is finely cracked, resulting in the particle being fragile in nature. (b) A back-scattered electron image of a cross section of the particle. Several µm to 10’s of µm-sized carbonates (mainly dolomite), Fe-oxides (e.g., magnetite), and Fe-sulfides (e.g., pyrrhotite) are widespread in the phyllosilicate-dominated matrix (smectite and serpentine), which also includes sub-µm-sized organic matter, Fe-sulfide, carbonate, and phosphate minerals.

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Christian Potiszil, Okayama University

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