|Meaning 'general mines' in Portuguese,
this Brazilian state north of Rio de Janeiro witnessed the world's first
gold rush to Ouro Preto over 150 years before the more well known one in
California (1848-9). The Minas Gerais mining region contained one of the
world's most important gold mines: the Morro Velho mine of the St John
del Rey Mining Company, as well as those exploiting iron and diamonds.
The main mines and cities are marked on this map.