Category Archives: mountains

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

The many metamorphoses of the Moine

In a companion post I introduced you to a metamorphic rock with an apparently simple history. Using traditional geological techniques on this single outcrop can’t reveal the full history of the area, so this post will attempt summarise the latest research. In … Continue reading

Categories: metamorphism, mountains, Scotland, tectonics

Sediment and sea: from the heights to the depths

This study in blues and greys and browns, this combination of fuzziness and sharp edges, where is it? It’s where land and ocean meet and mingle. A place where mud and silt and sand pause half way along an incredible … Continue reading

Categories: Great Geology in Google earth, Himalaya, mountains, sediments