Submitted by Chinaskibedspin33 t3_10q8e3f in pics
db37 t1_j6ohnyb wrote
Equally likely to be volcanic in origin, Mt. St. Helens isn't that far away.
MajCassiusStarbuckle t1_j6okvpt wrote
Just a stone's throw?
pATREUS t1_j6p6t6t wrote
Could be pumice stone. Ejected lava foam rapidly cooled into what is seen here; many variations of course.
Dendritic_Silver t1_j6p8txk wrote
Nice
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