An unusual pattern of tiny rock tunnels, first found in Namibia's desert roughly 15 years ago, could be the work of an ...

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Dikes are tabular or sheet-like bodies of magma that cut through and across the layering of adjacent rocks and then solidify. They form when magma rises into a fissure or creates a new crack by ...

When fissures appear, the magma beneath the surface ... in the magma chamber find it hard to escape through the viscous rock. They can also spurt lots of hot ash and rocks into the air, making ...

A volcano began erupting in southwestern Iceland on Tuesday, just hours after authorities evacuated a nearby community and the Blue Lagoon spa.

The emergence of the fissures, which experts describe as a ticking ... the Nakuru area is comprised mainly of volcanic soils and rocks (lava and pyroclastic ) of tertiary-quaternary age, which ...