coltan


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col·tan

 (kŏl′tăn′)

coltan

(ˈkɒlˌtæn)
n
(Elements & Compounds) a metallic ore found esp in the E Congo, consisting of columbite and tantalite (a source of the element tantalum)
[C20: from columbite + tantalite]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.coltan - a valuable black mineral combining niobite and tantalite; used in cell phones and computer chips
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
References in periodicals archive ?
Africa's vast natural resources including oil, copper, diamonds, coltan and uranium are also looted through dubious contracts.
The cash-strapped government of Venezuela offered to trade gold, diamonds and coltan, a rare metal used in cell phones, to pharmaceutical companies the country owes $5 billion in exchange for medicine, according to the (https://www.
With the exception of the Soviet bloc, no modern dictatorship has been established and sustained without the supporting role of business, be it diamond and coltan mining in conflict zones in Africa or oil companies in the Niger Delta.
There are similar threats from companies interested in hydroelectric and mining activity, especially for precious gold, emeralds and coltan - a mineral found in almost every smartphone.
Children have being forced to mine cobalt and coltan - used to make mobiles, DVD players and laptops - by military and rebel groups to fund an ongoing war.
A member of the DRC wildlife authority, he has since been posted to Upemba National Park for his own safety, however still faces threats from illegal miners who seek to exploit the region's natural resources, including gold, emerald and coltan.
Esta podria ser considerada de inciertay sin mayoresfundamentos, pues demostrado esta que en el caso de los recursos minerales Coltan, Diamante y Oro, principalmente, no se cuenta con la informacion imprescindible para tal afirmacion, como son las reservas probadas,y la necesaria madurez de los proyectos, que tecnica, financiera y ambientalmente, posibiliten su desarrollo.
Efforts to control the resource continues to produce community dislocation and slave-labor mining in the regions of the Congo where coltan can be found.
China, Japan, Turkey, France, UK, Anadarko Oil, Luc Oil, Exxon, Shell, Mobil, Firestone, Samsung, GE, USA energy security, multinational coltan mining companies and countless others all know Africa matters.
Coltan is also another prescious material that features in most gadgets such as smartphones, portable players, tablets and laptops, and the same is also procured from Eastern Africa.
Yet these areas are still threatened by fuel wood collection and agriculture, and they suffer damage due to rebel activities, poaching, illegal logging and mining for natural resources such as coltan.
Para ello, recuerda varios desastres provocados en los ultimos anos alrededor del mundo, entre otros: el trafico del coltan y otras tierras raras en paises en conflicto, las obsolescencia programada generadora de basura tecnologica, la especulacion alimentaria, la explotacion de las multinacionales en los paises empobrecidos por una parte y la histeria colectiva que producen las rebajas por otra, la destruccion de los medios de vida de poblaciones agricultoras, el agua como recurso escaso frente a la desaparicion de reservas acuiferas debido a la contaminacion y el cambio climatico.