|During the 1700s, when Minas Gerais was under Portuguese control, gold and gem mining labor was conducted by slaves taken from the west coast of Africa. This accounts for the large percentage of African descendants who now populate the region.|
Monday, 25 November 2013
Brazil produces the greatest variety of gems and semi-precious stones in the world, including diamonds, emeralds and amethyst.
Tuesday, 19 November 2013
Angola, the world's fourth-largest diamond producing country by value and sixth by volume, could regain record production levels enjoyed before 2002 thanks to its new mining law and higher quality diamonds, says a new study.
Sunday, 17 November 2013
|A combination of field surveys, airborne mapping, and high-resolution satellite imaging have determined that small clandestine operations now make up more than half of all gold mining activities in the Western Amazonian forests of Peru.|
The authors discovered hundreds of new small mines in the foothills in the headwater region of the Colorado, Inambari, and Malinowski Rivers.
|While the total land loss in Madre de Dios appears small compared to other tropical regions undergoing deforestation, the study emphasized that “Madre de Dios is world-renowned for its unusually high biological diversity."|
Friday, 15 November 2013