Eventually, all the surrounding soil and rock eroded away, but the harder volcanic (igneous) rock remains ... Butte during his exploration of the Black Hills, was struck by the power of the ...

A rock is intriguing scientists on Mars. The Perseverance rover has discovered a unique striped formation in the Jezero ...

The rover captured images of the black-and-white striped rock earlier this month using ... but early interpretations are that ...

Igneous rocks form when magma cools underground or ... volcanoes and rocks could be so important to building a city? The Black Cuillin on the Isle of Skye is a volcanic mountain range.

Because the glacial erratics that we find in southwestern Ohio come from such a large area, they consist of a wide variety of rock types, including igneous, sedimentary, and metamorphic. These ...

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 ...

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 ...

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 ...

Rivers of molten magma ooze through crevices in the black igneous rock, blanketing the surrounding valley as clouds of steam and ash dissipate into the air. As the volcano gurgles behind him ...

Hot springs are among Earth’s most deep-rooted gifts. Created from groundwater’s interaction with magma and hot igneous rock from the planet's molten core, super-heated springs (aka thermal ...

The eruptions created what are called large igneous provinces -- huge underground regions of magma and rock -- which have ...