Find out more about available formats and browse any associated online resources. All Earth Science students need to understand the origins, environments, and basic processes that produce igneous and ...

Igneous intrusions are a type of rock feature. They form when molten rock cools below the surface of the Earth. Join Isla and Connor as they explore igneous rock landscape features at Traprain Law ...

THE second volume of Prof. Johannsen's work on petrography is both a descriptive petrography of the quartz-bearing igneous rocks and an illustration of the author's proposed new method of ...

It shows a curious fracture surface due to a heavy gelignite detonation in finely crystalline “trap” rock. So far as I can remember I had seen other examples of this phenomenon, but ...

The Atlas of Minerals and Igneous and Metamorphic Rocks in Thin-section provides the geology student and geoscientist with a stunning new color atlas of the main rock-forming minerals and igneous and ...

The rock comes from the Bushveld Igneous Complex in northeastern South Africa, according to the team’s Oct. 2 announcement. The unique geological formation came into existence 2 billion years ...

A large igneous province (LIP) is a very large accumulation of igneous rocks, coming about when magma travels through the Earth's crust and to the surface, and they often occur at the same time as ...

The microbes were found within a sealed fracture in the ancient rock, which was excavated from the Bushveld Igneous Complex in South Africa – a rocky intrusion that formed when magma slowly ...

They look a bit like geodes, but they’re not exactly geodes. There are three types of rock: igneous, metamorphic, and ...