Funding for this research was provided by:
Conselho Nacional de Desenvolvimento Científico e Tecnológico (202691/2011-0)
Fundação de Amparo à Pesquisa do Estado de São Paulo (2008/58101-9)
Directorate for Geosciences (1505198)
Article History
Received: 19 May 2017
Accepted: 22 May 2018
First Online: 30 May 2018