Upon the arrival of Portuguese settlers to Brazil in 1500, there was an obs
ession to find precious metals and gems. However, it took almost two centur
ies to find economic and abundant gold deposits in Minas Gerais. Gold and d
iamonds generated fabulous wealth to the Portuguese crown during the 18th c
entury and part of the next. As the alluvial deposits were depleted, better
techniques had to be employed to assure profitability, but a number of fai
lures apparently eroded the motivation of Brazilian entrepreneurs to invest
in mining during the Empire. As the population grew and the country starte
d its industrialization process in the 20th century, the mining industry di
versified intensely and became one of the six largest mineral producers in
the world. Notwithstanding these achievements, it is likely that the best i
s yet to come, regarding gold, diamonds and other valuable minerals. (C) 20
01 Elsevier Science Ltd. All rights reserved.