Sample: 94SJP88C
Sample ID: | 94SJP88C [1] |
Station ID: | 94SJP88C |
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, seriate porphyritic with a matrix of mesostasis, opaque, olivine, and pyroxene. Plagioclase phenocrysts (An38-AN61) are up to 1.3 mm; occasionally have sieve textured zones, resorption embayments, overgrowth rims, and/or normal zoning. Olivine phenocrysts are up to 0.27 mm and are altered with black coronas. Orthopyroxene phenocrysts are up to 0.25 mm. |
Sample Location: |