PMC6512990_01
Back (A) and front (B) image of the sample from Broborg (inset in B shows higher magnification image of the clear glass), X-ray computed tomography image of plane selected for sectioning (C) and image of cut surface after sectioning (D). Green box represents area selected for high resolution muXRF mapping
nihms-1520846-f0001.jpg
PMC6512990_01_nihms-1520846-f0001.jpg
F1
Some of the vitrified material is also porous, and the pores are open and sometimes interconnected (example in Figure 1C).