Additional information on (1) the four eruptions studied and sample collection, (2) lapilli selection, (3) measurements of volume and porosity, (4) analysis by X-Ray computed tomography and scanning electron microscopy, and (5) calculation of protopyroclasts size distributions.<br>
In Depth Analyses of LEDs by a Combination of X-ray Computed Tomography (CT) and Light Microscopy (LM) Correlated with Scanning Electron Microscopy (SEM)