pATREUS t1_j6p6t6t wrote on January 31, 2023 at 10:30 PM Reply to comment by MajCassiusStarbuckle in Large rock on Short Sand Beach. Near Cannon Beach, OR. by Chinaskibedspin33 Could be pumice stone. Ejected lava foam rapidly cooled into what is seen here; many variations of course. Permalink Parent 3
pATREUS t1_j6p6t6t wrote
Reply to comment by MajCassiusStarbuckle in Large rock on Short Sand Beach. Near Cannon Beach, OR. by Chinaskibedspin33
Could be pumice stone. Ejected lava foam rapidly cooled into what is seen here; many variations of course.