NASA's Perseverance rover captured images of the black-and-white striped rock on Mars' Jezero crater ... but early ...

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 ...

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.

Here on Earth, rare-earth minerals are often found as crystals in igneous rock ... new rare-earth elements in the same nondescript black rocks. Because of their optical properties, rare-earth ...

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 ...

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 ...

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 ...

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 ...

The eruptions created what are called large igneous provinces -- huge underground regions of magma and rock -- which have been linked to ... haywire during and after this event," said Benjamin Black, ...