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Progress in Earth and Planetary Science
Fig. 9 | Progress in Earth and Planetary Science

Fig. 9

From: Back-transformation processes in high-pressure minerals: implications for planetary collisions and diamond transportation from the deep Earth

Fig. 9

Changes of XRD patterns during the back-transformation in lingunite (Run backtra12, Lgn: lingunite, Pl: plagioclase). The arrows indicate the change of the peak intensity with temperature or time. a Lingunite amorphization occurred with increasing temperature at ~ 1.7 GPa and 610–820 °C, and plagioclase crystallization started before its completion. b Crystallization of plagioclase proceeded with decreasing amorphous halo at ~ 1.6 GPa and 820 °C

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