columbite-tantalite


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Related to columbite-tantalite: Tantalum Ore
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Synonyms for columbite-tantalite

a valuable black mineral combining niobite and tantalite

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Africa offers the United Slates much besides oil, given its dependence on Africa for raw materials such as manganese (for steel production), cobalt and chrome, both of which are vital for alloys especially in aeronautics, vanadium, metals in the platinum group, antimony, gold, fluorspar, germanium, industrial diamonds, and many other lesser-known materials, such as columbite-tantalite (coltan for short), a key component in everything from mobile phones and computer chips to stereos and VCRs (Keenan, 2009a: 127-129).
But Bobek added that as well as raising money for the reserve the scheme is aimed at restricting the mining of coltan or columbite-tantalite, a metallic ore used in the production of electronics, especially mobiles.
Simultaneous determination of tantalum, Niobium, thorium and uranium in placer columbite-tantalite from the Akim Oda District of Ghana by epithermal instrumental neutron activation analysis', J.
The massive demand for coltan - short for columbite-tantalite - has fuelled a desperate and bloody battle to seize the river beds where it can be mined.
One of the most important minerals, columbite-tantalite, or coltan, is a tar-like substance instrumental in producing capacitors, a key component of virtually all modern electronic equipment.
In reality, these leaders who include the current presidents of Uganda, Rwanda, Ethiopia, Angola, Eritrea, Burundi, and the Democratic Republic of the Congo preside over countries where ethnic and civil turmoil permit unscrupulous international mining companies to take advantage of the strife to fill their own coffers with conflict diamonds, gold, copper, platinum, and other precious minerals, including one -- columbite-tantalite or `coltan' -- which is a primary component of computer microchips and printed circuit boards.
In reality, these leaders, who include the current presidents of Uganda, Rwanda, Ethiopia, Angola, Eritrea, Burundi, and the DRC preside over countries where ethnic and civil turmoil permit unscrupulous international mining companies to take advantage of the strife to fill their own coffers with conflict diamonds, gold, copper, platinum, and other precious minerals, including one - columbite-tantalite or 'coltan'- which is a primary component of computer microchips and printed circuit boards.
Primarily obtained through extraction from columbite-tantalite ("Coltan"), tantalum is primarily produced in Australia and Brazil, but controversial sourcing from the Democratic Republic of the Congo (formerly Zaire) - even though it represents just a tiny fraction of total global tantalum production - was the described motive behind this week's significant hacking of electronics manufacturer AVX's website by the hacker collective Anonymous.
4128), which would establish penalties for the import of columbite-tantalite, cassiterite and wolframite, and the Senate has approved S.
According to official figures, the country produces only 1% of the world's coltan, the colloquial name for the chemically similar columbite-tantalite and niobium ore, used to manufacture capacitors and the country's most profitable export, but the actual share of global coltan output may be much higher.