Sample: 05JRSCH023
Sample ID: | 05JRSCH023 [1] |
Station ID: | 05JRSCH023 |
AT Num: | |
Volcano: | Chiginagak |
Possible source: | |
Eruption: | |
Collector: | Schaefer, J. R. G. |
Date sampled: | 2005-08-23 |
Sample type 1: | Lava |
Color: | |
Final unit: | Pnba |
Text Description: | Sample from dense, less devitrified 1.5m block from monolithic block and ash flow deposit. Willie took sample of more devitrified rock for possible Ar-Ar dating. Prismatically jointed blocks, xtl-rich, devitrified andesite in ashy, to sand-size matrix. Abundant visible dark opx and plag in clasts. Chose sample 05WESCH008 for Ar/Ar dating. |
Sample Location: |