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 ...

A DISCUSSION on the origin of igneous rocks was held in Section C (Geology) of the British Association at York on September 7. The discussion was opened by Prof. Arthur Holmes, who sketched out a ...

All Earth Science students need to understand the origins, environments, and basic processes that produce igneous and metamorphic rocks. This concise introductory textbook provides students with the ...

ISLA: Look at the shape of this rock, Connor! CONNOR: Good find! That’s a ripple mark left by water that used to sit on top of this before it was rock. This used to be sand and other sediment ...

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 ...