Sample: 94SJP88B
Sample ID: | 94SJP88B [1] |
Station ID: | 94SJP88B |
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: | Outcrop of 10-25' thick flows on the east side of Goat Creek. Fine grained, vesicular, holocrystalline, trachytic, seriate porphyritic with a matrix of orthopyroxene, opaque, and olivine? or clinopyroxene?. Plagioclase phenocrysts (An49-An59) are up to 1.1 mm and occasionally have sieve textured zones or normal zoning. Olivine phenocrysts are up to 1.4 mm. Clinopyroxene phenocrysts are up to 0.1 mm. Orthopyroxene phenocrysts are up to 0.1 mm. |
Sample Location: |