Sample: 94SJP112A
Sample ID: | 94SJP112A [1] |
Station ID: | 94SJP112 |
AT Num: | |
Volcano: | Tanada Peak |
Possible source: | |
Eruption: | |
Collector: | Preece, S. J. |
Date sampled: | 1994-00-00 |
Sample type 1: | Lava |
Color: | |
Final unit: | |
Text Description: | Block from the Tanada Cinder Cone at Site 15. Fine grained, vesicular, holocrystalline, seriate porphyritic with a matrix of mesostasis, opaque, plagioclase, olivine, and pyroxene?. Plagioclase phenocrysts (An55-An62) occasionally have skeletal habits. May be some orthopyroxene? present. Mode: 96.6% matrix, 0.9% plagioclase, 2.4% olivine, 0.1% vesicles. |
Sample Location: |