Sample: 93SJP61
Sample ID: | 93SJP61 [1] |
Station ID: | 93SJP61 |
AT Num: | |
Volcano: | Skookum Creek |
Possible source: | |
Eruption: | |
Collector: | Preece, S. J. |
Date sampled: | 1993-00-00 |
Sample type 1: | Lava |
Color: | |
Final unit: | |
Text Description: | An approximately 20’ thick flow at Site 4. Fine-grained, holocrystalline, intergranular, seriate porphyritic with a matrix of mesostasis, opaque, plagioclase and alteration. Plagioclase phenocrysts (An38 - An62) are up to 1.1 mm and some have sieve textured cores or intermediate zones; complex zoning is present. Orthopyroxene phenocrysts are up to 0.85 mm and some have clinopyroxene rims or opaque inclusions. Clinopyroxene phenocrysts are up to 0.15 mm. |
Sample Location: |