Fig. 4.From: Precursory activity and evolution of the 2011 eruption of Shinmoe-dake in Kirishima volcano—insights from ash samplesA juvenile “fresh scoria” particle from 250–500 μm fraction of May 27, 2010 ash (collected in Site No. 5; Fig. 1 and Table 1). Photograph taken under binocular microscope. For criteria to discriminate between juvenile and non-juvenile, see Subsection 5.1.1. Color version available online.Back to article page