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Highly Allochthonous

Vaguely Informed Commentary From the Wide World of Earth Science

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You're not missing much Chris Rowan is a geologist specialising in the dark arts of paleomagnetism, and getting people to pay him to travel to exotic destinations for fieldwork. Having drilled up New Zealand during his PhD, he is now a post-doc at the University of Johannesburg.

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geophysics:

Seismology@home

There's an interesting news story in Nature* about a distributed computing project with a seismological twist. The proposed aim of the Quake-Catcher project is to hack and collate data from laptop accelerometers - designed to protect the hard drive when...

Where the Earth's magnetic field comes from

How modelling the Geodynamo is both hard - and strangely easy...

Martian plate tectonics

Are striped magnetic anomalies on the Red Planet evidence of ancient sea-floor spreading?

The Palaeomagician's bane

Why lightning may be my new mortal enemy

A map of wonderful magnetic things

A new magnetic anomaly map illustrates the differences between oceanic and continental crust

The Indian plate's days as a Cretaceous boy-racer

Does the thickness of a tectonic plate control its speed?

Nuclear Seismology

From ye olde blog, November 2006: A barely remembered anecdote, the buzz about the North Korean "nuclear" test, and a Web of Knowledge search combined to bring this paper up on my screen: Seismic tomographic inversion of Russian PNE data...

Bumpy ice: proof of a Martian water cycle?

Some interesting data from Mars Odyssey about the distribution of sub-surface ice on Mars were published in Nature last week by Joshua Bandfield at Arizona State University (see also here and here). Mars Odyssey had already detected the presence of...

Know thy co-ordinate system

Even the best measurements are meaningless if you muck up your corrections

Geological Basics: the art of Paleomagic

If I'm ever going to talk about my own research in any detail, I'm first going to have to explain a little (or a lot) about the field I fell into almost by accident, paleomagnetism. Literally 'ancient magnetism', paleomagnetism is...

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