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 ...

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 ...

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 ...

What if the raw power of lava could be transformed into the building material of the future? That’s the bold idea being toyed ...

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 ...

meaning that early life may in part have been fueled by volcanic activity'. Analysis of fossilised rocks known as stromatolites from more than two-and-a-half billion years ago has provided new ...

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.

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 ...