EGU, the European Geosciences Union, is Europe’s premier geosciences union, dedicated to the pursuit of excellence in the ...

On Earth, it is found in sedimentary deposits resulting from ancient soils and coastlines and intense hydrothermal environments, and the mineral is quite soft. On Mars, the rocks are white but not ...

A rock containing many smaller round stones could indicate that there was once a large amount of liquid water on the Red ...

The Perseverance rover has found some intriguing samples on the red planet. Here's what they might reveal about the origins ...

These rocks are formed when magma solidifies. As the magma cools, mineral ... is white or have swirls of colour with a crystallised structure. These are formed when either igneous or sedimentary ...

The Science Education Center houses thousands of rock and mineral samples in what is known as "The Rock & Mineral Room." The entire collection can be viewed by clicking on each of the virtual drawers ...

Relative dating to determine the age of rocks and fossils Geologists have established a set of principles that can be applied to sedimentary ... Some minerals in rocks and organic matter (e.g ...

5 Cementation In the final process of sedimentary rock formation, some of the minerals in the sediment harden and form a kind of cement which sticks the grains of the rock together. Look through ...