Category Archives: tectonics

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

Beyond plate tectonics

Plate tectonics is the core unifying concept that has underpinned our understanding of the solid earth for over 50 years. To describe your research as moving “beyond plate tectonics” is quite a claim, but Trond Torsvik and the group he leads … Continue reading

Categories: Deep earth, diamonds, subduction, tectonics

Into the Third Dimension: using Google Maps to know what’s underground

Much of the earth’s surface is covered by sedimentary rocks. These form as sediment settles on the surface. As the types of sediment change – sand to mud to sand again – different layers are formed, some hard some soft. The … Continue reading

Categories: Great Geology in Google earth, tectonics

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