http://volcano.oregonstate.edu/glossary/1 http://volcano.oregonstate.edu/glossary/1 OSU - Volcano Glossary Skylight Mudflow Intermediate OSU - Volcano Glossary http://volcano.oregonstate.edu/glossary/1 http://volcano.oregonstate.edu/glossary/1 http://volcano.oregonstate.edu/glossary/1 http://volcano.oregonstate.edu/glossary/1 Fluvial http://volcano.oregonstate.edu/glossary/1 Intermediate Lithic http://volcano.oregonstate.edu/glossary/1 Basement Volcanic and Geologic Terms Glossary Common terms defined. http://volcano.oregonstate.edu/glossary/1 http://volcano.oregonstate.edu/glossary/1 Asthenosphere