The Dynamic Earth View Multimedia Version

Main Menu >  GeoGallery >  Rocks >  Pumice
TITLE: GeoGallery

Choose one of the following Rocks for more details:

Banded Pumice

Banded Pumice

Like most pumices from the Lassen Peak eruption, this one is banded. The light- and dark-colored bands represent two chemically distinct types of magma that mingled during the eruption.

Nearby Pumice

Nearby Pumice

Immediately after the May 18, 1980, eruption, a hail storm of coarse pumice and rock fragments fell from the eruption cloud, blanketing the area near the volcano.


bottom navigation bar Smithsonian National Museum of Natural History Department of Mineral Sciences website Credits