Category Archives: metamorphism

The deceptive simplicity of a metamorphic rock

I’d like to introduce you to a rock. Pretty isn’t it? The white crystals caught my eye, as they did that of three different geologists of the British Geological Survey, who between them collected 5 different samples from the same … Continue reading

Categories: metamorphism, Scotland, tectonics

Man-made metamorphic rocks

There’s a cup of tea next to me, steaming gently. I’ve already written about the history of the drink, how a Chinese herb ended up defining Englishness and having the power to create riots in Ireland. But what of the cup? It’s a posh one … Continue reading

Categories: Getting under the surface, History, metamorphism

Metamorphic petrology under stress: round 2

Back in August I wrote about an extremely important paper by John Wheeler of Liverpool University called “Dramatic effects of stress on metamorphic reactions”. This uses a theoretical approach to show that differential stress (squashing rocks) is a very important … Continue reading

Categories: metamorphism

A new paradigm for Barrovian metamorphism?

The phrase ‘new paradigm’ is a little shop-worn but it still catches the eye. To see it used in a “discussion and reply” on a dry-looking metamorphic petrology paper is really something unusual. Tracing through these articles really shows how … Continue reading

Categories: eclogites, metamorphism, mountains, Scotland, tectonics