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Precious metals as gold, [2] and silver, [3] platinum, nickel and coltan are located in different areas throughout the country. Colombia is the first producer of emeralds and as per February 2017 occupied a ninth position in the production of coal, produced in almost all of the departments of the country.
Coltan (short for columbite–tantalites 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. [1]
UTC-5 (Colombia Standard Time) Marmato is a town and municipality in the Colombian Department of Caldas . Founded in 1540, Marmato has a population of 10,000 people.
The Pacific Region is located on Colombia's western, Pacific coast, and covers an area of 83,170 km 2 (32,110 sq mi). It extends from the Gulf of Urabá in the north to the border with Ecuador in the south, and includes part of the departments of Nariño , Cauca and Valle de Cauca , and the whole of Chocó Department .
Coltan is the colloquial name for the mineral columbite-tantalum ("col-tan"). In the early 21st century coltan mining is associated with human rights violations such as child labour, systematic exploitation of the population by governments or militant groups, exposure to toxic chemicals and other hazards as a result of lax environmental protection, and general safety laws and regulations. [1]
The Rubaya mines, also known as the Bibatama Mining Concession, is a series of coltan mining sites near the town of Rubaya [1] in Masisi Territory, North Kivu, Democratic Republic of the Congo. Officially, the mining license is held by Société Minière de Bisunzu Sarl (SMB), associated with Congolese senator Édouard Mwangachuchu . [ 2 ]
español (es): Mapa político y de fronteras de la República de Colombia. Mapa de Colombia, denotando sus límites y su división administrativa. Para el presente mapa se han tenido en cuenta el trazado y nombre de los ríos principales, las fronteras internacionales con sus respectivos hitos y coordenadas fronterizas, accidentes geográficos ...
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