1. Department of Atmospheric Sciences, Instituto de Astronomia Geofísica e Ciências Atmosféricas Universidade de São Paulo São Paulo Brazil
2. Department of Sedimentary Geology, Instituto de Geociências Universidade de São Paulo São Paulo Brazil
3. Institute of Geosciences Johannes Gutenberg University Mainz Mainz Germany
4. Department of Atmospheric and Environmental Sciences State University of New York at Albany Albany NY USA
5. Department of Geochemistry Universidade Federal Fluminense Rio de Janeiro Brazil