Abstract
A group of 64 stations among 140 AMT measurement sites in Central Finland forms a profile about 220 km long. The profile starts from the Svecokarelidic orogenic belt (1800–1900 Ma) and traverses the Karelidic schist belt to the Presvecokarelidic basement (2600-2800 Ma). The data obtained are analysed and are presented as apparent resistivity profiles, pseudosections and residual profiles at discrete frequencies between 8 and 3700 Hz. The distribution of the measured apparent resistivities in the research area shows that there are observable differences between different geological units. A 1-D interpretation is carried out at every station, after which a 2-D model is constructed for the whole profile and its AMT response is calculated numerically with the finite element technique.
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