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Opened. 1980. Closed. 1986. Serra Pelada (English: "Naked Mountain Range") is a Brazilian village, district of the municipality of Curionópolis, in the southeast of Pará. Serra Pelada was a large gold mine in Brazil, 430 kilometres (270 mi) south of the mouth of the Amazon River. The mine was made infamous by the still images taken by Alfredo ...
Actinium is a chemical element; it has symbol Ac and atomic number 89. It was first isolated by Friedrich Oskar Giesel in 1902, who gave it the name emanium; the element got its name by being wrongly identified with a substance André-Louis Debierne found in 1899 and called actinium. The actinide series, a set of 15 elements between actinium ...
Gold mining in Brazil has taken place continually in the Amazon since the 1690s, and has been important to the economies of Brazil and surrounding countries. In the late 17th century, amid the search for indigenous people to use in the slave trade, Portuguese colonists began to recognize the abundance of gold in the Amazon, triggering what ...
Mining in Paraná is a set of studies, research, knowledge, and theories regarding the mineralogical aspects of the state of Paraná, in Brazil. Paraná is the second federative unit of Brazil that produces the most talc, which is extracted in the municipality of Ponta Grossa. In 2016, it was responsible for 40% of the country's production ...
The Brazilian Gold Rush was a gold rush that started in the 1690s, in the then Portuguese colony of Brazil in the Portuguese Empire. The gold rush opened up the major gold-producing area of Ouro Preto (Portuguese for black gold), then known as Vila Rica. [1] Eventually, the Brazilian Gold Rush created the world's longest gold rush period and ...
The actinide series is a group of chemical elements with atomic numbers ranging from 89 to 102, [note 1] including notable elements such as uranium and plutonium.The nuclides (or isotopes) thorium-232, uranium-235, and uranium-238 occur primordially, while trace quantities of actinium, protactinium, neptunium, and plutonium exist as a result of radioactive decay and (in the case of neptunium ...
The Iron Quadrangle (Portuguese: Quadrilátero Ferrífero) is a mineral-rich region covering about 7,000 square kilometres (2,700 sq mi) in the central-southern part of the Brazilian state Minas Gerais. The area is known for its extensive deposits of gold, diamonds, and iron ore, being the source of approximately 40% of all gold produced in ...
The Morro do Ouro (Paracatu) open-pit mine is operated by Rio Paracatu Mineração (RPM), a 100% owned subsidiary of the Canadian company Kinross Gold Corporation. The gold content of the ore is comparatively low, about 0.41 gram of gold for every ton of ore extracted. Annual production is about 15 tonnes of gold and 5 tonnes of silver. [4] [5]