Sample: 88VS12
| Sample ID: | 88VS12 [1] |
| Station ID: | 88VS12 |
| AT Num: | |
| Volcano: | Vsevidof |
| Possible source: | |
| Eruption: | |
| Collector: | Nye, C. J. |
| Date sampled: | 1988-01-01 |
| Sample type 1: | Lava |
| Color: | |
| Final unit: | |
| Text Description: | Sample from southwest flank 1,450’ asl. Porphyritic olivine basaltic andesite. Phenocrysts of plagioclase (20%, up to 0.8x 0.3 mm) and olivine (5%, 0.6–0.2 mm) in a groundmass of plagioclase laths (70 x 10 microns), smaller intersertal pyroxenes and opaque grains, and interstitial glass. This sample is one of very few collected from Vsevidof in 1988 that has plagioclase crystals with extensive spongy regions. They are typically throughout the crystals, with the exception of a thin (~ 20 micron) clear rim. |
| Sample Location: |
