NASA’s Perseverance rover recently captured a stunning image of a black-and-white striped rock on Mars, sparking excitement ...

sedimentary rocks will also be deposited within the rift valley. At first the rift valley will be dominated by river systems, including these environments: alluvial fans, river channels and ...

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 ...

Sedimentary rocks are formed by the action of water. A river carries pieces of broken rock as it flows along. This is transport. When the river reaches a lake or the sea, these rocks settle to the ...

Carved over millions of years by the Colorado River, this awe-inspiring canyon ... with layers of sedimentary rock that span nearly two billion years. The vibrant colors – from deep reds to ...