A lightweight volcanic rock that contains many vesicles (holes where gas bubbles used to be). Pumice is a quenched sample of gas-rich magma that has erupted explosively
Jan Lindsay, Jerome David, John Shepherd and Judith Ephraim, Volcanic Hazard Assessment for Saint Lucia, Lesser Antilles, Glossary Of Terms Used In This Report, Seismic Research Unit The University of the West Indies St. Augustine Trinidad and Tobago 2002. file:///C:/Users/user/Downloads/1001.pdf, (ND/ Volc Emr - Brit) {963}