Sample: 04JSOK012


Sample ID: 04JSOK012 [1]
Station ID: 04JSOK012
AT Num:
Volcano: Okmok
Possible source:
Eruption:
Collector: Schaefer, J. R. G.
Date sampled: 2004-01-01
Sample type 1: Lava
Color:
Final unit: Ps
Text Description: Lava sample E of Crater Creek mouth at beach level. Flow extends into water and is beneath a cliff-forming outcrop of Okmok I pf. Okmok I pf here has dacite inclusions in top indurated pf. Lava is gray, mostly aphyric lava with 1% visible plag. Rubbly aa flow texture at base of outcrop. Dense part sampled. Vesicular zones run out into water. Likely a package of subaerial flows. Cliff of lava about 6m high.
Sample Location:

References Cited

[1] Geologic map of Okmok Volcano, 2023

Larsen, J.F., Neal, C.A., Schaefer, J.R., and Nye, C.J., 2023, Geologic map of Okmok Volcano: Alaska Division of Geological & Geophysical Surveys Report of Investigation 2023-1, 63 p., 4 sheets. https://doi.org/10.14509/31015