Sample: 05SMJL010


Sample ID: 05SMJL010 [1]
Station ID: 05SMJL010
AT Num:
Volcano: Semisopochnoi
Possible source:
Eruption:
Collector: Larsen, J. F.
Date sampled: 2005-09-16
Sample type 1: Lava
Color: dark grey
Final unit: Pochnoi volcanics
Text Description: vesicular, with plagioclase phenocrysts to 2 mm on long axis. Moderately crystal rich with a sugary textured groundmass. Contains small, 0.5 mm or less olivines, with oxidation halo's
Sample Location:

References Cited

[1] Postglacial eruptive history and geochemistry of Semisopochnoi volcano, western Aleutian Islands, Alaska, 2018

Coombs, M.L., Larsen, J.F., and Neal, C.A., 2018, Postglacial eruptive history and geochemistry of Semisopochnoi volcano, western Aleutian Islands, Alaska: U.S. Geological Survey Scientific Investigations Report 2017-5150, 32 p., https://doi.org/10.3133/sir20175150.