Klein 1993 Archaeomagnetic dating on the Great Plains.
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Millions of times weaker than a regular magnetic force, diamagnetism can cause levitation under the right circumstances. This glossary entry is part of the Dictionary of Archaeology.After World War II, geologists developed the paleomagnetic dating technique to measure the movements of the magnetic north pole over geologic time. Robert Dubois introduced this new absolute dating technique to archaeology as archaeomagnetic dating.This series of dated positions is known as the "archaeomagnetic reference curve." (Stacey Lengyel, 2010. 81–3090.) So how do scientists use the earth's wandering magnetic field to date archaeological sites? Certain clays have a naturally high iron (Fe) content.