alúmina
111Rio Tinto Aluminium — Parent Rio Tinto Group Rio Tinto Aluminium (previously known as Comalco) is now known as Rio Tinto Alcan after Rio s takeover of Alcan. It was the world s eighth largest aluminium company. It mines and manufactures bauxite, alumina and primary… …
112Mining in Ghana — Ghana s economy depends largely on exports of cocoa and gold. Other mineral commodities produced in the country were aluminum, bauxite, diamond, manganese, natural gas, petroleum, salt, and silver.Economic impactThe contribution of Ghana’s mining …
113CoorsTek — CoorsTek, Inc. Type Private Industry Ceramics, Semiconductors Founded Golden, Colorado, U.S. (1920) Founder(s) Adolph Coors, Sr. Headquarters …
114crystal — crystallike, adj. /kris tl/, n., adj., v., crystaled, crystaling or (esp. Brit.) crystalled, crystalling. n. 1. a clear, transparent mineral or glass resembling ice. 2. the transparent form of crystallized quartz. 3. Chem., Mineral. a solid body… …
115Crystal — /kris tl/, n. 1. a city in SE Minnesota, near Minneapolis. 25,543. 2. a female given name. * * * I Any solid material whose atoms are arranged in a definite pattern and whose surface regularity reflects its internal symmetry. Each of a crystal s… …
116October 2010 — was the tenth month of that year. It began on a Friday and concluded after 31 days on a Sunday. Portal:Current events This is an archived version of Wikipedia s Current events Portal from October 2010 …
117Economy of Guinea — Guinea is richly endowed with minerals, possessing an estimated one third of the world s proven reserves of bauxite, more than 1.8 billion metric tons of high grade iron ore, significant diamond and gold deposits, and undetermined quantities of… …
118Economy of Jamaica — Jamaica has natural resources, primarily bauxite, and an ideal climate conducive to agriculture and tourism. The discovery of bauxite in the 1940s and the subsequent establishment of the bauxite alumina industry shifted Jamaica s economy from… …
119Mineral industry of Russia — Russia is one of the world’s leading mineral producing countries and accounts for a large percentage of the CIS’s production of a range of mineral products, including metals, industrial minerals, and mineral fuels. In 2005, Russia ranked among… …
120Mineral industry of Africa — The mineral industry of Africa is one of the largest mineral industries in the world. Africa is the second biggest continent, with 30 million km² of land, which implies large quantities of resources. For many African countries, mineral… …
