Monthly Archives: March 2011

Magnetism and Mrs Ples: dating our early ancestors

The ~2.1 million year old skull of Australopithecus africanus from South Africa, also known as Mrs Ples I first went to South Africa after finishing my undergraduate degree in 1997.  The site that I visited was the Makapansgat Limeworks in … Continue reading

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Archaeology and Geomagnetism: a potentially beautiful friendship

To many researchers the word ‘Archaeomagnetism’ is synonymous with Archaeomagnetic dating. i.e. using small changes in the secular variation of the Earth’s magnetic field to date burnt structures and artefacts (see Neil’s post on the 16th February). However, this is just one … Continue reading

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The strength of the Earth’s magnetic field is falling

One of the most fascinating questions in geomagnetism concerns the strength of the Earth’s magnetic field. It is well-known (by those who know it well) that the direction of the field varies with time. You can see an estimate of … Continue reading

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