Sample: 94SJP80A
Sample ID: | 94SJP80A [1] |
Station ID: | 94SJP80A |
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: | A slightly platy, ~10’ thick flow at the top of Site 9 overlying red breccia and scoria. Fine-grained, holocrystalline, porphyritic to seriate porphyritic with a matrix of cryptocrystalline material, opaque and plagioclase. Plagioclase phenocrysts (An39 - An64) are 2.0-0.1 mm and have sieve textured cores or intermediate zones and oscillatory zoning. Clinopyroxene phenocrysts are up to 0.3 mm. Olivine phenocrysts are up to 0.3 mm and resorbed rims are present. |
Sample Location: |