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In 2019, Brazil's figures were as follows: it was the world's largest producer of niobium (88.9 thousand tons); [2] the 2nd largest world producer of tantalum (430 tons); [3] the 2nd largest world producer of iron ore (405 million tons); [4] the 4th largest world producer of manganese (1.74 million tons); [5] the 4th largest world producer of bauxite (34 million tons); [6] the 4th largest ...
CBMM is by far the world's largest producer of niobium metal and its alloys, providing over 80% of the world's supply. [2] Like the other producers of this metal, the company does not sell raw niobium ore, only ferroniobium, other niobium alloys and oxides, and the pure metal, all produced in its facilities next to the open-pit mine. [3]
The Boa Vista mine is an open pit niobium and phosphate mine located near the city of Catalão in Goiás state in Brazil. Geologically, it is located on the Catalão II carbonatite complex. [2] [3] The mine was opened by Anglo American plc, and had an output of 4,700 tons of niobium in 2014. [4]
It was not until the early 20th century that niobium was first used commercially. Niobium is an important addition to high-strength low-alloy steels. Brazil is the leading producer of niobium and ferroniobium, an alloy of 60–70% niobium with iron. Niobium is used mostly in alloys, the largest part in special steel such as that used in gas ...
A closed rock salt mine belonging to Brazilian petrochemical giant Braskem partially collapsed Sunday in the northeastern coastal city of Maceio, the city's civil defense authority said. It quoted ...
Pages in category "Niobium mines in Brazil" The following 2 pages are in this category, out of 2 total. This list may not reflect recent changes. B. Boa Vista mine; C.
An Indigenous group in Brazil said Wednesday its members detained 12 people for allegedly mining illegally in the Amazon and handed them over to police. The non-profit Urihi Associação Yanomami ...
Brazilian rescuers continued searching on Saturday for some 200 missing people after a tailings dam burst at an iron ore mine owned by Vale SA.