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Brazilian gold rush

history Maturity 11-13 Next article →

The Brazilian gold rush was a massive period of migration and mining. It began in the 1690s within the Portuguese colony of Brazil. This era became the longest gold rush in history. It also produced the largest gold mines in South America. The rush fundamentally changed the geography and population of the continent. It moved the center of life from the coast toward the interior mountains.

The movement began with the bandeirantes. These were adventurers who organized into small groups to explore the Brazilian interior. Many bandeirantes had mixed indigenous and European backgrounds. They adopted native ways to survive the harsh wilderness. In 1695, Manuel Borba Gato discovered gold at Rio das Velhas. This discovery triggered a massive influx of people. To support this growth, the Portuguese crown established the Estrada Real in 1697. This road connected the coast to the mining regions like Ouro Preto and Diamantina.

As mining expanded, the population shifted dramatically. More than 400,000 Portuguese immigrants and 500,000 African slaves arrived in the gold regions. Many people abandoned sugar plantations on the northeast coast to seek wealth. By 1725, half of Brazil's total population lived in the southeast. The town of Vila Rica was established in 1698. It was later renamed Ouro Preto, which means "black gold." By 1730, Ouro Preto had about 40,000 people. This made it the most populous city in Latin America at that time. For comparison, the population of New York was less than half of that size.

The Portuguese government struggled to manage this sudden wealth. They sent bureaucrats from Portugal to control the mining operations. However, these officials often had conflicting duties and jurisdictions. They were generally unable to control the highly lucrative industry. Officially, 800 metric tons of gold were sent to Portugal during the 18th century. Much more gold circulated illegally or stayed in the colony to decorate churches. This created a complex economy of both official and hidden wealth.

Another major rush occurred at the Cuiabá River around 1718 or 1719. Pascoal Moreira Cabral Leme and Antonio Pires de Campos were the discoverers. This region was 1,400 km northwest of São Paulo. Reaching it required a 3,500-km journey through uncolonized land. Travelers used large canoe convoys called monsoons to navigate the rivers. These trips were dangerous due to mosquitoes and many river rapids. The journey could take five to seven months during the high water season.

Travelers in the Cuiabá region faced significant human conflict. The Payaguá were a group of canoe people on the Paraguay River. They frequently attacked the convoys. In 1730, a Payaguá attack killed 400 people and captured 60 arrobas of gold. The Payaguá did not understand the gold's value. One Spaniard once traded a single tin plate for six pounds of gold. These conflicts and the eventual depletion of gold deposits changed the region. By 1737, only seven white men remained in the town of Cuiabá.

Despite the hardships, the gold rush left a lasting impact on Brazil. It extended Portuguese settlement northwest toward the modern Bolivian border. Mining techniques also evolved over many decades. In 1830, the British-controlled St. John d'el Rey Mining Company opened a mine in Nova Lima. This was the largest gold mine in Latin America. The company brought modern management and engineering expertise to the region. This specific mine extracted ore for 125 years, showing how industrial methods eventually replaced early colonial mining.

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