Sample: 94SJP112B
Sample ID: | 94SJP112B [1] |
Station ID: | 94SJP112 |
AT Num: | |
Volcano: | Tanada Peak |
Possible source: | |
Eruption: | |
Collector: | Preece, S. J. |
Date sampled: | 1994-00-00 |
Sample type 1: | Tephra Fall |
Color: | |
Final unit: | |
Text Description: | Scoria 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) are up to 0.35 mm and most are small laths. Olivine phenocrysts are up to 0.65 mm and occasionally have skeletal habits |
Sample Location: |