Category Archives: volcanoes

Into the Bushveld #3: Filthy mineral lucre

Posted on February 20, 2008 by Chris Rowan

Why your car cares about the Bushveld complex.
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Categories: geology, volcanoes

Into the Bushveld #2: ‘Look at the size of that thing!’

Posted on February 5, 2008 by Chris Rowan

The world’s biggest igneous intrusion is very large indeed…
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Categories: fieldwork, geology, volcanoes

Into the Bushveld #1: holy hunks of magnetite!

Posted on February 4, 2008 by Chris Rowan

Igneous rocks – “sedimentary” processes?
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Categories: fieldwork, geology, volcanoes

A deskcrop-full of komatiite

Posted on December 14, 2007 by Chris Rowan

I have on my desk evidence for a hotter mantle 3 billion years ago. Nifty, eh?
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Categories: geology, volcanoes

Pictures from an undersea eruption

Posted on December 6, 2007 by Chris Rowan

Mid-ocean ridges are a fundamental component of the Earth’s tectonic engine: they mark places on the earth’s surface where two plates are moving apart, creating space for mantle rocks to move upwards, decompress, and melt. Every year, the resulting volcanic … Continue reading →

Categories: geology, tectonics, volcanoes