Our planet’s interior is complex and has many layers. Their formation and structure contain many unsolved mysteries. But new research is providing some clues about how Earth’s internal structure may have evolved. If you were to take a journey to the centre of the Earth you would find most stuff there is made of just three elements, at least until you’re about around 3000 km below the surface. Thes ...[Read More]
Deep Earth
Spinning a yarn about perovksite
Magnesium silicate perovskite is the most abundant silicate in our planet. Never given a mineral name in its own right, it is unstable at Earth’s surface and has only been observed directly in the lab, rather than the field. So it fails to meet the criteria set down by the masters of mineral names, the International Mineralogical Association. Instead it adopts that given to calcium titanate, ...[Read More]