Chaco-Pampean Plain 4 Magnetotelluric 4 Río de La Plata Craton 4 Transbrasiliano Lineament 4 lineament 4 magnetotelluric method 4 subduction zone 4 tectonic setting 4 Ambargasta-Sumampa Range 2 Argentina 2 Cambrian 2 Gondwana 2 Magnetotellurics 2 Metals 2 Moho 2 Pampean Terrane 2 Pampean terrane 2 Proterozoic 2 Rio de la Plata 2 Sierras Pampeanas 2 South America 2 Tectonics 2 Western Gondwana 2 continental margin 2 craton 2 data inversion 2 electrical method 2 electrical resistivity 2 lithospheric structure 2 plate boundary 2