Iron ore is rock rich in iron oxides (Fe 2 O 3) and includes minerals such as hematite and magnetite. Most of the world's ...

The waves of colourful rock within the specimen are made up of black and red bands of iron oxide (mostly haematite and some magnetite), interspersed with lighter sedimentary rock (silica). Scientists ...

The green icebergs have been a curiosity to scientists for decades, but now glaciologists report in a new study that they suspect iron oxides in rock dust from Antarctica's mainland are turning ...

Rocks containing iron oxide can only form if oxygen is present. Dating these rocks gives scientists evidence of when oxygen first built up in the atmosphere. Fossils Life processes can change the ...

The Red Planet’s iconic rusty dust has a much wetter history than previously assumed. This is according to scientists who combined European Space Agency (ESA) and NASA spacecraft data with new ...