Category Archives: subduction

Subduction is not the end

Subduction is just the beginning. Stuck on the surface of the earth as we are, it’s easy to think that when oceanic lithosphere is destroyed when it vanishes into the mantle. But this is wrong. The more we manage to peer … Continue reading

Categories: Deep earth, subduction

Metamorphic petrology: under pressure and getting stressed?

High pressure (HP) terranes are areas containing eclogites and other eclogite-facies rocks found within many mountains belts, including the Himalaya and the Alps. HP rocks were metamorphosed at extreme pressures, up to 3 or even 4 billion Pascals (or GPa. Atmospheric … Continue reading

Categories: eclogites, metamorphism, mountains, subduction, tectonics

Six amazing facts about what’s under your feet

Just 100s km away from you are right now there is a place where rocks can flow, where once-living matter is turned in jewels, from where deadly plumes once killed nearly all life on earth. We can never visit this place … Continue reading

Categories: Deep earth, diamonds, subduction

A world without subduction

The greatest achievement of the generation of Earth Scientists now retiring is the concept of plate tectonics. The insight that the earth’s surface is made up of rigid plates that move has shed light on all aspects of Earth Science, … Continue reading

Categories: eclogites, impacts, metamorphism, subduction, tectonics