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

This process can occur either below the Earth’s surface, forming intrusive or plutonic igneous rocks like granite, or at the surface following a volcanic eruption, producing extrusive or ...

Some other examples of igneous intrusions in Scotland can be found at Dumbarton Rock (a volcanic plug in Dumbarton) and Loudoun Hill (a volcanic plug in Ayrshire). Learn more about some of the ...

With our ideas of volcanoes we always associate the grand and the terrible ; and a volcanic eruption—a huge piece of artillery, with a mouth perhaps miles in circumference, shooting up rocks and ...

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

A grant helped pay for the 98-acre property in Contra Costa County that is said to contain rare volcanic habitat.

Igneous petrology has entered a quantitative stage of development ... The quantitative petrography of volcanic rocks. The evolution of mafic magma during magma ascent (both from a purely petrological ...

Guatemalan authorities evacuated around a thousand people on Monday after Central America's most active volcano erupted, ...