Fig. 1 | Nature Communications

Fig. 1

From: Combined effusive-explosive silicic volcanism straddles the multiphase viscous-to-brittle transition

Fig. 1The alternative text for this image may have been generated using AI.

Photomicrographs of obsidian from Hrafntinnuhryggur, Krafla volcano (Iceland) collected in situ toward the margins of an effusive dyke-geometry conduit17 with textural evidence for fracture formation and subsequent healing while at high temperature (marked with arrows). These images were taken by Jenny Schauroth

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