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SAMPLE INFO : 02LWOK2-Jlbase
Sample ID:02LWOK2-Jlbase
Station ID:02LWOK2
Latitude:53.320982
Longitude:-168.093401
Datum:NAD83
Date Sampled:0000-00-00
Sample Type 1:Tephra Fall
 Text Description:
Juvenile clast-rich layer. The basal J1 layer is the thickest layer and is comprised entirely of inflated fresh scoria that is commonly black. Scoria sags, reverse grading, and bomb horizons exist in J1 at the sites closest to the caldera, 6-8 km from the rim.

References:
Physical volcanology of a sub-plinian and phreatomagmatic eruption at Okmok Volcano, Alaska: implications for explosive mafic volcanism

SAMPLE LOCATION

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Page modified: August 1, 2017 15:29
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