Rhyolite

2 topics · 2 sources

Solar Energy

Volcanic rock (or lava), characteristically light in color and containing 69% silica or more and generally rich in potassium and sodium (felsic composition).

Office of Energy Efficiency and Renewable Energy (EERE) — Solar Energy Development PEIS Glossary retrieved 2014-06-15

Science

Water

Light-colored volcanic igneous rock that is the extrusive equivalent of granite.

Bureau of Reclamation — Bureau of Reclamation Glossary