One final type of volcanic system is the Large Igneous Province, a massive outpouring of lava made from rocks called basalts. These eruptions can flood millions of square miles with lava that's ...

Volcanoes offer breath-taking views and thrilling adventures. Explore Iceland’s Thrihnukagigur magma chamber, Costa Rica’s ...

Ancient eruptions may have triggered conditions for oxygen ‘whiffs’ in the atmosphere In a nutshell Massive volcanic events ...

Scientists discovered that volcanic eruptions in India’s Deccan Traps 66 million years ago released gases that altered ...

but instead found volcanic rock. The Midnight Volcano is situated under the Mississippi Delta. The dense igneous rock below ...

Volcanic rock is formed when lava or magma cools down and becomes a solid. We call this type of rock igneous rock. Here are three different types of igneous rock from the Museum’s collection.