Total mercury distribution and its association with diferent geochemical supports in marine sediment from the brazilian continental margin: Campos Basin

Química Nova

Araujo, Beatriz Ferreira¹  Rezende, Carlos Eduardo de¹  Almeida, Marcelo Gomes de¹  Gobo, Renato Rosa¹  Salomão, Marcos Sarmet Moreira Barros¹  Siqueira, Verônica Caldas¹  Universidade Estadual do Norte Fluminense, Campos dos Goytacazes, Brasil¹  Ovalle, Álvaro Ramon Coelho¹ 

关键词: mercury;    Continental Margin;    carbonate.;   

DOI  :  10.1590/S0100-40422010000300002

学科分类：化学（综合）

来源: Sociedade Brasileira de Quimica

【 摘 要 】

Mercury distribution and geochemical support on the Continental Margin was evaluated at the Campos Basin, Rio de Janeiro state, Brazil. The average concentrations for all analyzed elements were, respectively, 20 ± 5 ng g-1 (Hg); 30 ± 14 mg g-1 (Al); 16 ± 6 mg g-1 (Fe), and 254 ± 83 µg g-1 (Mn). Silt and clay content, total carbonate and Hg, and organic carbon increased with depth. Finally, the relationship between Hg and silt clay showed significant positive correlation. Total Hg concentrations are the background level described primarily (~40 ng g-1).

【 授权许可】

Unknown