Category Archives: geology

Nuclear Seismology

Posted on May 18, 2007 by Chris Rowan

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 … Continue reading →

Categories: geology, geophysics, paper reviews

Algae and earthquake precursors

Posted on May 16, 2007 by Chris Rowan

From ye olde blog, May 2006: an interesting report from the BBC: Concentrations of the natural pigment chlorophyll in coastal waters have been shown to rise prior to earthquakes. These chlorophyll increases are due to blooms of plankton, which use … Continue reading →

Categories: earthquakes, geohazards, geology, paper reviews

Gone drillin’

Posted on May 15, 2007 by Chris Rowan

I’m off for a week to collect some samples. It’s the first time I’ve actually handled a drill since my last field season in New Zealand way back in 2003 (a scarily long time ago, now I think of it), … Continue reading →

Categories: geology

Know thy co-ordinate system

Posted on May 7, 2007 by Chris Rowan

Even the best measurements are meaningless if you muck up your corrections
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Categories: geology, geophysics

Geological Basics: the art of Paleomagic

Posted on May 4, 2007 by Chris Rowan

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 … Continue reading →

Categories: basics, geology, geophysics, palaeomagic