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 ...

About 400 kilometres northwest of Sydney, just south of Dubbo, lies a large and interesting body of rock formed around 215 ...

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 ...

Southern China is unusual in that respect: fossil-bearing marine limestones and the volcanic rocks of the Emeishan large igneous province can be studied in the same outcrop sections. This setting ...

The chemical makeup of mineral inclusions preserved in impact glass hints at the site of a missing impact crater.

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 ...