A geochemical and lead isotopic record from a small pond in a remote equatorial island, Fernando de Noronha, Brazil - Oliveira, Sonia Maria Barros de; Pessenda, Luiz Carlos Ruiz; Gouveia, Susy Eli Marques; Babinski, Marly; Fávaro, Deborah Inês Teixeira (The Holocene, 2009)