Table 2 Mode composition of scoria from the November 26–27, 2014, eruption (vol%). Porosity of the scoria and volume fraction of glass in groundmass are also shown (vol%)
| Sample ID | I141129S01 | I141129S02 | I141129S03 |
|---|---|---|---|
| Phenocryst | 37 | 35 | 39 |
| Plagioclase | 22 | 28 | 31 |
| Olivine | 2 | 2 | 2 |
| Clinopyroxene | 13 | 5 | 6 |
| Fe–Ti oxide | < 1 | 0 | < 1 |
| Groundmass | 63 | 65 | 61 |
| Porosity | 65 | 77 | 50 |
| Glass in groundmass | 90 | 65 | 3 |