Iran's folded rocks are a colorful formation that is part of the Greater Caucasus mountains, which formed when the Eurasian tectonic plate collided with the Arabian plate millions of years ago.

There are three main types of rock: igneous rock, metamorphic rock, and sedimentary rock. Almost all fossils are preserved in sedimentary rock. Organisms that live in topographically low places (such ...

The project began with the collection of fine-grained shale—a sedimentary rock type rich in organic matter—from deep within ...

So knowing the locations of these mud-rich sedimentary deposits is key to making coastal management decisions. S. L. Ward and ...

Activities at the Michigan Geological Repository for Research and Education focus on basic and applied research in sedimentary geology, especially as it relates to Michigan, its geologic history and ...

The basalt which makes up the Giant’s causeway is an igneous rock. Sedimentary rocks are formed by small rock pieces which are transported by rivers and laid down in layers. Chalk is a ...

WASHINGTON (Reuters) -A mineral called siderite found abundantly in rock drilled by a NASA rover on the surface of Mars is providing fresh evidence of the planet's warmer and wetter ancient past ...