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 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 ...

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

Relative dating to determine the age of rocks and fossils Geologists have established a set of principles that can be applied to sedimentary and volcanic rocks that are exposed at the Earth's ...

The gigantic Yellowstone Grand Canyon, lined with volcanic rock. With all the effects of hydrothermal activity, river erosion and glacier activity this amazing formation was created ( Kiley Williams) ...