Sample: Y-86
| Sample ID: | Y-86 [1] |
| Station ID: | Y-86 |
| AT Num: | |
| Volcano: | Kaguyak |
| Possible source: | |
| Eruption: | Kaguyak CFE |
| Collector: | Fierstein, J. E. |
| Date sampled: | 2000-00-00 |
| Sample type 1: | pyroclastic density current |
| Color: | |
| Final unit: | |
| Text Description: | Kaguyak Ignimbrite. medium brown-grey, mostly massive and unstratified but for one 2-m thick PCZ + 1-m-thick LCZ in upper 1/3 of cliff. Lithic-rich (10-15vol %); pumice-rich (30vol%); well-indurated, not quite sintered. Exposed thickness 20 m. PCZ: 2 m thick. LCZ: 1.5 m thick. See text for MP and ML. Pumice clasts: most pumices are 1-5 cm; hard to find big pumice clasts; grey to white dacite; some banded grey/white pumice clasts; many dacite pumices are full of large (to 0.5 cm) pxn-clot blebs. Lithic clasts: dominantly pl-rich dacite lava with minor Jn (all <4 cm); scarcer crystal-poor, green lava |
| Sample Location: |
References Cited
[1] Kaguyak dome field and its Holocene caldera, Alaska Peninsula, 2008
Fierstein, Judy, and Hildreth, Wes, 2008, Kaguyak dome field and its Holocene caldera, Alaska Peninsula: Journal of Volcanology and Geothermal Research, v. 177, n. 2, p. 340-366, doi:10.1016/j.jvolgeores.2008.05.016 .
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