Fig. 12

Comparison of the 2016 Aso eruption total grain-size distributions based on grain-size analyses of dry- and wet-sieving for samples, assessing the size distribution of the primary aggregate-bearing deposits and that of disaggregated deposits. Other air-fall deposits of mafic eruptions based on ground-based sampling are also shown: Hatepe and Rotongaio ashes (Walker 1981); Ruapehu (Bonadonna and Houghton 2005); Fuego (Rose et al. 2008); August 18 and September 16, 1992 Spurr (Durant and Rose 2009); Eyjafjallajӧkull (Bonadonna et al. 2011); Redoubt (Mastin et al. 2013). Air-fall deposits based on the grain-size analyses and calculation of Van Eaton et al. (2015) are also shown. Note the deference between the size distributions of the primary aggregate-bearing deposits and those of disaggregated deposits. Solid lines denote phreatomagmatic deposits, dashed lines are phreatomagmatic/magmatic deposits, and dotted lines are subplinian/plinian deposits. C = weight percentage coarser than given grain size