Sample: 94SJP16
Sample ID: | 94SJP16 [1] |
Station ID: | 94SJP16 |
AT Num: | |
Volcano: | Skookum Creek |
Possible source: | |
Eruption: | |
Collector: | Preece, S. J. |
Date sampled: | 1994-00-00 |
Sample type 1: | Lava |
Color: | |
Final unit: | |
Text Description: | Block from brecciated material at Site 12. Fine grained, vesicular, holocrystalline, seriate porphyritic with a matrix of mesostasis, opaque, microlites, plagioclase, and olivine. Plagioclase phenocrysts (An28-An61) are up to 7 mm, most <1.8 mm, and some display sieve textured cores and normal or oscillatory zoning. Olivine phenocrysts are up to 1.5 mm and a few display resorption embayments or opaque inclusions. Orthopyroxene phenocrysts are up to 0.5 mm. |
Sample Location: |