archaeomagnetism
archaeomagnetism
noun
archaeomagnetic
adjective
noun
- [mass noun]magnetism possessed by components of clay and rocks which have in the past been heated above a certain temperature. The orientation and intensity of this remanent magnetism was fixed by the earth's magnetic field when the material cooled, and can be used to study the earth's magnetism and as a method of geological and archaeological dating
地磁定年术
archaeomagnetic
adjective
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