wolframite iron and zinc uganda

Coltan

Coltan

Coltan (short for columbitetantalites and known industrially as tantalite) is a dull black metallic ore, from which the elements niobium and tantalum are extracted. The niobium dominant mineral in coltan is columbite (after niobium's original American name columbium), and the tantalum dominant mineral is tantalite.. Tantalum from coltan is used to manufacture batteries for electric cars

Get Price
List of Goods Produced by Child Labor or Forced Labor

List of Goods Produced by Child Labor or Forced Labor

On October 1, 2007, OCFT published a Federal Register Notice containing proposed Procedural Guidelines for the development and maintenance of the List of Goods from countries produced by child labor or forced labor in violation of international standards. ILAB received nine public comments on the proposed Procedural Guidelines.

Get Price
The World Factbook  Central Intelligence Agency

The World Factbook Central Intelligence Agency

Country NATURAL RESOURCES ; Afghanistan natural gas, petroleum, coal, copper, chromite, talc, barites, sulfur, lead, zinc, iron ore, salt, precious and semiprecious

Get Price
Pegmatites and aplites Their genetic and applied ore geology

Pegmatites and aplites Their genetic and applied ore geology

Definition The term ore is defined in the current study to describe a concentration of non metallic, e.g., feldspar, or metallic minerals, e.g. spodumene, in pegmatitic rocks irrespective of its structure and position in the deposit which was or is currently mined for a profit.

Get Price
Violence, selection and infant mortality in Congo

Violence, selection and infant mortality in Congo

We turn to the United Nations Conference on Trade and Development (UNCTAD) dataset to get the monthly price series of 12 minerals (aluminum, copper, gold, iron, lead, manganese, nickel, oil, phosphate, tin, wolframite, and zinc) and compile information from The Economics of Tantalum (Roskill Information Services, 2009), Metal Pages, and the US Geological Survey to build our price series for

Get Price
Spilpunt Congo (Kinshasa)

Spilpunt Congo (Kinshasa)

Oct 03, 2012Key Minerals The Copperbelt area (estimated to contain 55.5m tonnes of copper and 3.6m tonnes of cobalt), which runs through Katanga contains 34% of the worlds cobalt resources and 10% of the worlds copper resources, and during the 1960s and 1970s the DRC was the worlds leading producer of these metals. Copper concessions were formerly managed by Gnrale des Carriers et des Mines

Get Price
Port Manteaux Word Maker   OneLook

Port Manteaux Word Maker OneLook

Port Manteaux churns out silly new words when you feed it an idea or two. Enter a word (or two) above and you'll get back a bunch of portmanteaux created by jamming together words that are conceptually related to your inputs.. For example, enter "giraffe" and you'll get

Get Price
Tungsten

Tungsten

Tungsten, or wolfram, is a chemical element with symbol W and atomic number 74. The name tungsten comes from the former Swedish name for the tungstate mineral scheelite, tung sten or "heavy stone". Tungsten is a rare metal found naturally on Earth almost exclusively combined with other elements in chemical compounds rather than alone. It was identified as a new element in 1781 and first

Get Price