Sample: 09KCWES006
| Sample ID: | 09KCWES006 [1] |
| Station ID: | 09KCWES006 |
| AT Num: | |
| Volcano: | Kasatochi |
| Possible source: | |
| Eruption: | |
| Collector: | Scott, W. E. |
| Date sampled: | 2009-01-01 |
| Sample type 1: | |
| Color: | |
| Final unit: | |
| Text Description: | Hand sample; >20g. Pumice lapilli in fall deposit or possibly pum-concentration zone in pf; near base of thick section of pfs; collection of pumice clasts, chiefly pinkish brown to brownish gray. On rounded, exposed surfaces all lapilli are ~20%k. Lapillus interiors from two dominant types. (1, CHEM SAMPLE) The most numerous (~80% of sample) are medium olive gray in the interior with faintly orange tinged rinds. These are vesicular and moderately porphyritic (xls ~ 1mm) with glassy groundmass forming glass threads spanning and surrounding some vesicles. (2) The second type are denser, with lighter (10%k) microcrystalline gms and conspicuous large amphibole xls in addition to smaller plag + px. |
| Sample Location: |