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. 2020 Mar 4;82(4):32. doi: 10.1007/s00445-020-1370-1

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 7 — X-ray tomography textural images of crystal-rich synthetic magmas used here. a–c 2D tomography image (a) and 3D volume renderings (b, c) showing the bubble-chain pathways and the evolution of connectivity with porosity in the brittle-viscous regime. d–f) 2D tomography image (d) and 3D volume renderings (e–f) showing the increase of porosity without onset of connectivity in the viscous regime. g–i 2D tomography image (g) and 3D volume renderings (h, i) showing the evolution of connectivity with porosity in the sintering regime with 40 vol.% quartz crystals. Connected and isolated bubbles/pores are represented in grey and green in the volume renderings, respectively. Scale bars in (a), (d) and (g) correspond to 1 mm