Abstract
The Rio Grande Rise (RGR) is a wide oceanic rise located ~1200 km to the East of Brazil and 2000 km to the west of the Mid-Atlantic Ridge. The RGR is becoming increasingly relevant for Brazil, because in 2015 the International Seabed Authority (ISA) and the Brazilian Companhia de Pesquisa de Recursos Minerais (CPRM) signed a contract for the exploration of minerals in the region. In 2018,…