Igneous rocks form from the solidification of molten ... often featuring hues of red, orange, and yellow. Look for rounded, ...

One clue was the remote detection of igneous rocks with low silica content in the crust of the Red Planet called "ultramafic ...

“The rocks in the Bushveld Igneous Complex are very similar to Martian ... in Martian rock samples could help detect life on the Red Planet. “This study adds to the view that the deep ...

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 ...

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 ...

When it does, some of it melts, eventually becoming magma that turns into new igneous rock. Most of Earth's surface ... a crystal that gets its rich, deep red color from iron.

The tragic but fascinating sight of the streets of Pompei, an ancient city destroyed by avolcano eruption. The city was well ...

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 ...

The red stripe is coloured by iron pigments ... Wales are the perfect place to spot a rock called rhyolite. An igneous rock, it is formed from an explosive type of lava. It can be best seen ...

Scientists have calculated the Earth to be 4.54 billion years old, with an uncertainty of 50 million years on either side.