Quick Reference

A very light, fine-grained, and cellular rock produced when the froth on the surface of lava solidifies. See Calcaterra et al. (2007) Geomorph. 87, 3. A pumice raft comprises pumice fragments floating on the sea; one was spotted in 2006 (Geol. News, Nov. 2006).

Subjects: science and mathematics.

Reference entries

See all related reference entries in Oxford Index »