HMAS Diamantina (K377) deepest known part of the Indian Ocean on 7 February 1960, which was named Diamantina Deep after the ship. Based in Fremantle, Western Australia, "Diamantina" remained in service as an oceanographic vessel until 1980; she briefly interrupted these duties in March 1963, escorting the royal yacht during Queen Elizabeth II's tour to Australia. "Diamantina" paid off from the RAN on 29 February 1980, and was the last World War II-era frigate to serve Australia. "Diamantina" was handed over to the Queensland Maritime Museum to be permanently berthed in the South Brisbane Dry Dock located on the Brisbane River at South
Diamantina, Minas Gerais the following municipalities: Diamantina, Datas, Felício dos Santos, Gouveia, Presidente Kubitschek, São Gonçalo do Rio Preto, Senador Modestino Gonçalves, and Couto de Magalhães de Minas. The area of this region is 7,348 km² and in 2006 the population was 80,063 inhabitants. The population density (2000) was 11.2 inhab/km². Diamantina is located 292 kilometers almost directly north of the state capital, Belo Horizonte, in a mountainous area. The elevation of the municipal seat is 1,114 meters. The Jequitinhonha River, one of Brazil's most important rivers, flows to the east of the municipal seat. Diamantina is linked to the state capital by