ARCHAEOMAGNETIC ANALYSIS OF SAMPLES FROM A BELL PIT AT GREYFRIARS, NORWICH

Author(s): M Noel

An archaeomagnetic study has been carried out of material recovered from a bell pit excavated in 1994 at Greyfriars in Norwich. The samples were found to contain a stable thermoremanent magnetisation which has provided a record of the geomagnetic field at the time of firing. Comparison of the mean archaeomagnetic vector in the structure with the UK Master Curve indicates that it was last fired either between 1010 and 1095 AD or between 1490 and 1525 AD. From a study of the components which comprise the natural remanent magnetisation, the later date appears to be favoured.

Report Number:
63/1996
Series:
AML Reports (New Series)
Pages:
8
Keywords:
Archaeomagnetism Ceramic Clay, Fired

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