Sample: Y-98


Sample ID: Y-98 [1]
Station ID: Y-98
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. light grey sandy ignimbrite; lower half includes a very lithic-rich horizon with large lithics; top of ignimbrite is PCZ; overlain by 20 m stratified pumiceous alluvium; ignimbrite is rich in degassing pipes; top of ignimbrite and the overlying sediments are rusty orange-brown stained and cemented by steam percolation. Exposed thickness 15 m. PCZ 1-2 m. LCZ:yes. See text for MP and ML. Pumice clasts: most are grey dacite; very minor scoria (analyzed black scoria is 63% SiO2). Lithic clasts: all lithics seen in the PCZ are dark grey crystal-rich dacite 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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