Your Artstor image groups were copied to Workspace. The Artstor website will be retired on Aug 1st. The Journal of Geology Vol. 26, No. 5, Jul. - Aug., 1918 Internal Structures of Igneous Rocks; Th ...

The Journal of Geology, Vol. 23, No. 8, Supplement: The Later Stages of the Evolution of the Igneous Rocks (Nov. - Dec., 1915), pp. 1-91 (91 pages) ...

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 characteristics of the rocks that hold fossils can be as informative as the fossils themselves. There are three main types of rock: igneous rock, metamorphic rock, and sedimentary rock. Almost all ...

And in seeking to explain how various igneous rocks on one of the Galapagos Islands were related to each other, Darwin shed invaluable light on how magmas evolve. One of the exhibits tells us how ...

Researchers have found new evidence for a massive subsurface ocean on Mars, again raising the possibility of microbial life.

It features scenes of farmers tilling soil, majestic mountain roads, sedimentary rock formations, and granite and marble quarries. The film also highlights natural phenomena such as volcanic activity ...

In the March 4, 2025, online issue of the journal Geology, Utah State University geoscientists Jordan Jensen and Alexis Ault describe a new forensic tool to help researchers understand the creation of ...