Archaeomagnetic dating

A record of the past geomagnetic field can be found in the remains of hearths, furnaces, or other anthropogenically fired features that we as archaeologist excavate on a regular basis.

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These features will provide good radiocarbon dating records, alongside the archaeomagnetic signatures for the fired subsoils within and below them.

For those that aren’t quite sure what this odd science (magic) is, you are welcome to peruse my website, which is listed at the end of this blog post, for some answers.

Simply put, the Earth has a magnetic field which varies over space and time.

Having a dating method which directly relates to an anthropogenic activity, rather than to the end of an organism’s carbon absorption for example, is a powerful tool for the archaeologist.

Archaeomagnetic dating was first attempted at the Bradford Kaims in 2011.

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