three-dimensional modeling Andes 12 Argentina 12 South America 12 Central Andes 8 Three dimensional 6 Bouguer anomaly 4 Chaco [Argentina] 4 Lithospheric structure 4 Moho 4 Parana Basin 4 Puna 4 Structural geology 4 continental crust 4 geodynamics 4 gravity field 4 ichnology 4 lithospheric structure 4 magnetotelluric method 4 morphology 4 subduction zone 4 taxonomy 4 tectonic setting 4 3-D kinematics 2 3D density model 2 3D magnetic modeling 2 3D magnetotelluric modeling 2 3D modeling 2 3D resistivity modeling 2 Aerial magnetic data 2