Figure 9. Isolated patches on the lower portions of Microfacies 1 sinter. (1) Overview of a sinter surface grown on a glass slide for one month and showing isolated patches of surficial layers. (2) Necking of isolated patches (red arrows). (3) Isolated patches exhibiting ridges around their sides. (4) Close-up of (3) showing ridges becoming progressively smaller inwards towards the centre of the isolated patch (red arrow). (5) Isolated remnants exhibiting concentric laminae. (6) Remnant island exhibiting necking (yellow arrow) and numerous ridges (red arrows) that increase in size towards the outer fringes.