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Progress in Earth and Planetary Science
Fig. 6 | Progress in Earth and Planetary Science

Fig. 6

From: Significance of the high-pressure properties and structural evolution of gas hydrates for inferring the interior of icy bodies

Fig. 6

Diamond formation by melting and the molecular dissociation of methane at extremely high temperatures and pressures. a Region of diamond formation. b SEM image of diamond particles recovered at ambient temperature and pressure, including octahedral particles. c Raman spectra of the recovered sample on a glass slide with the characteristic peak for diamond at 1331 cm−1. This figure is modified from Kadobayashi et al. (2021)

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