Sample: 94SJP58D
Sample ID: | 94SJP58D [1] |
Station ID: | 94SJP58 |
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: | Vesicular block from base of brecciated unit at Site 12. Fine grained, vesicular, hypocrystalline, intersertal, seriate to glomeroporphyritic with a matrix of brown glass, opaque, microlites and plagioclase. Plagioclase phenocrysts (An26-An61) are up to 3.4 mm, some grains have sieve textured cores, resorption embayments, display both normal or oscillatory zoning, and may have overgrowths. Olivine phenocrysts are up to 2 mm. Orthopyroxene phenocrysts are up to 0.5 mm. |
Sample Location: |