Category Archives: tectonics

Ultrafast eclogitisation through overpressure

My blogging torpor has been ended by a super-interesting new paper that links together many of my favourite topics. It includes eclogites, metamorphic petrology, ultra-fast metamorphism, determining timescales via diffusion profiles, tectonic overpressure and even the Grampian-Taconic orogeny and opens up new … Continue reading

Categories: eclogites, metamorphism, tectonics

The Himalayan mountains: flow and fracture

Earth science departments are home to three styles of working, each of which tries to answer similar questions, but from very different perspectives. First we have the field geologists. Armed with field gear and a hammer, they gather data from actual … Continue reading

Categories: Himalaya, metamorphism, mountains, tectonics

Speed of metamorphism: cooling down

A while ago, I asked Twitter for suggestions of topics for future posts. A great one came from Brian Romans, a Prof at Virginia Tech and a long-standing pillar of the online geoscience community: How fast can rocks undergoing metamorphism be … Continue reading

Categories: Ireland, metamorphism, mountains, tectonics

Speed of metamorphism: heating up

Published in the 1830s, Charles Lyell’s ‘Principles of Geology‘ is one of the founding texts of the subject. Part of a generation of Geologists who broke free of Biblical interpretations of the natural world, Lyell was working in an intellectual … Continue reading

Categories: metamorphism, mountains, tectonics