Category Archives: tectonics

Folded sediments from the Welsh coast

Posted on 10 October, 2012 by Metageologist

My life is currently in a phase that isn’t compatible with many trips to the field. No complaints, but this does mean a lack of opportunities to take geological photos. So when my mum told returned from a geological field … Continue reading →

Categories: sediments, tectonics

Oceanic crust – that sinking feeling

Posted on 9 September, 2012 by Metageologist

Some rocks lead a quiet life. Stable parts of continental crust just sit there for billions of years, doing nothing. In the oceans things are much more dynamic. Live fast, die young, stay pretty is the motto of oceanic crust. … Continue reading →

Categories: eclogites, metamorphism, subduction, tectonics

Eclogite: mysterious visitor from the deep

Posted on 15 August, 2012 by Metageologist

Fifty kilometres is not far. World-class marathon runners run 42km in a little over 2 hours. They only move along the earth’s surface though. Getting to 50 kilometres below your feet is a different thing entirely. It’s a  place of … Continue reading →

Categories: eclogites, metamorphism, subduction, tectonics

How old is plate tectonics?

Posted on 9 August, 2012 by Metageologist

Plate tectonics is the process that underpins much of our understanding of the Earth. It explains manymany aspects of the Earth, from magnetic patterns in oceanic rocks to the distribution of plants and animals. How unusual is it? Well, it … Continue reading →

Categories: open access, tectonics