Sample: AL09-05PU
| Sample ID: | AL09-05PU [1] |
| Station ID: | AL09-05 |
| AT Num: | |
| Volcano: | Makushin |
| Possible source: | |
| Eruption: | Makushin Driftwood Pumice |
| Collector: | Lerner, A. H. |
| Date sampled: | 2009-00-00 |
| Sample type 1: | Tephra Fall |
| Color: | yellow-brown |
| Final unit: | |
| Text Description: | Upper Pumice is 3-20cm thick and dark yellow-brown, a mixture of brown-beige pumice and dark gray-black scoria (42 wt% and 23 wt% of layer, respectively) and an abundance of non-vitric lithics (32 wt% of layer). Overall the PU lapilli are poorly sorted and vary in mean grain size (6-14mm) with the layer. Scoriaceous clasts are larger tha pumiceous clasts and lithic fragments (mean dia ~5mm and ~3mm, respectively). Scoriaceous bombs up to 10cm in the long dimension occur up to 10km from summit. |
| Sample Location: |
