Sample: 06AUMC008a.f
| Sample ID: | 06AUMC008a.f [1] |
| Station ID: | 06AUMC008 |
| AT Num: | |
| Volcano: | Augustine |
| Possible source: | |
| Eruption: | Augustine 2005/12 |
| Collector: | Coombs, M. L. |
| Date sampled: | 2006-02-20 |
| Sample type 1: | Lahar |
| Color: | dark/light gray |
| Final unit: | 2006_ExLh |
| Text Description: | Felsic portion of a large piece of banded scoria, total initial sample weight 5 kg. 15% light colored bands, 85% dark colored bands. Light bands up to 2 cm thick, hosted in the dark portions. Light bands shear down to sub-mm streaks (smaller than individual phenocrysts). The light portion is 15% gray throughout, with a very minor pinkish tinge on the outsides. 20% plagioclase, 1-3mm; <5% pyroxene 0.5 to 1mm; very light gray microcrystalline groundmass with abundant angular and irregular voids down to <<1 mm. |
| Sample Location: |