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Near-Surface Electro Magnetic Frequency Induction Scanner (NEMFIS) was developed in Russian Science Academy by Institute of Geophysics. Non-destructive NEMFIS tool can be used to identify precisely archaeological targets. In fact electromagnetic induction (EMI) method has been used for many years in the exploration for ore bodies (ore bodies contain metal and, therefore, are good electrical conductors), and, more recently, to detect voids but at present NEMFIS tool is widely used for archaeological studies.
The device applied for many tasks. Unique archaeological targets were found by NEMFIS in Mongolia, Italy and Russia. A lot of lost buried communications and leakages from subsurface pipes were located, ground water contamination and water saturation of soils were explored.
While several archaeological works including Paleolithic, Bronze and Iron ages, antique and medieval targets was discovered. That works was made with complex of geophysical instruments: GPR, Vertical DC sounding and magnetometry together with NEMFIS. In some cases only NEMFIS data shows the buried targets and it was proved immediately by excavation.
ИСТОЧНИК: Институт геофизики Сибирского Отделения Российской Академии Наук (СО РАН)
SOURCE: Institute of Geophysics СО РАН
http://nemfis.ru/en/
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