1. Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Departamento de GeofísicaUniversidade de São Paulo São Paulo SP Brazil
2. Institute of Geophysics and Planetary Physics, Scripps Institution of OceanographyUniversity of California at San Diego La Jolla CA USA
3. Coordenação de GeofísicaObservatório Nacional Rio de Janeiro RJ Brazil
4. Centro Paleontológico da Universidade do ContestadoUniversidade do Contestado Mafra Santa Catarina Brazil
5. Department of Atmospheric, Oceanic, and Earth SciencesGeorge Mason University Fairfax VA USA
6. Institute for Rock Magnetism, Department of Earth SciencesUniversity of Minnesota Minneapolis MN USA
7. NIST: National Institute of Standards and Technology Gaithersburg MD USA
8. Centro de GeocienciasUniversidad Nacional Autónoma de México Querétaro México
9. State Key Laboratory of Marine GeologyTongji University Shanghai China