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Bauxite is a sedimentary rock with a relatively high aluminium content. It is the world's main source of aluminium and gallium. Bauxite consists mostly of the aluminium minerals gibbsite, boehmite and diaspore, mixed with the two iron oxides goethite and haematite, the aluminium clay mineral kaolinite and small amounts of anatase and ilmenite . Bauxite appears dull in luster and is reddish-brown, white, or tan.
The economy of Guinea is dependent largely on agriculture and other rural activities. Guinea is richly endowed with good minerals, possessing an estimated quarter of the world's proven reserves of bauxite, more than 1.8 billion tonnes of high-grade iron ore, significant diamond and gold deposits, and undetermined quantities of uranium. In 2021, Guinea was the world's biggest exporter of Aluminium Ore 2021 trade surplus was $4.3B.
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Alcoa Corporation is an American industrial corporation. It is the world's eighth-largest producer of aluminum. Alcoa conducts operations in 10 countries. Alcoa is a major producer of primary aluminum, fabricated aluminum, and alumina combined, through its active and growing participation in all major aspects of the industry: technology, mining, refining, smelting, fabricating, and recycling.
National Aluminium Company Limited is an Indian public sector company having integrated and diversified operations in mining, metal and power. Presently, the Government of India holds a 51.28% equity stake in NALCO, while the Ministry of Mines has administrative control over the company.
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United Company RUSAL, international public joint-stock company is the world's second largest aluminium company by primary production output. It was the largest until overtaken by China Hongqiao Group in 2015. UC RUSAL accounts for almost 9% of the world's primary aluminium output and 9% of the world's alumina production.
Volta Aluminum Company, known as VALCO, is an aluminium company based in Tema, Greater Accra Region founded by Kaiser Aluminum and now wholly owned by the government of Ghana.
Mozal is an aluminium smelter joint project in Beluluane Industrial Park, Maputo, Mozambique. The project is a smelting facility that began operations as a producer of aluminium exclusively for export. The smelter is located 20 kilometres (12 mi) west of the city of Maputo in the south of the country.
The Mining industry of Ghana accounts for 5% of the country's GDP and minerals make up 37% of total exports. Gold contributes over 90% of the total mineral exports. Thus, the main focus of Ghana's mining and minerals development industry remains focused on gold. Ghana is Africa's largest gold producer, producing 80.5 t in 2008. Ghana is also a major producer of bauxite, manganese and diamonds. Ghana has 20 large-scale mining companies producing gold, diamonds, bauxite and manganese; over 300 registered small scale mining groups; and 90 mine support service companies. Other mineral commodities produced in the country are natural gas, petroleum, salt, and silver.
The second-largest mineral industry in the world is the mineral industry of Africa, which implies large quantities of resources due to Africa being the second largest continent, with 30.37 million square kilometres of land.With a population of 1.4 billion living there, mineral exploration and production constitute significant parts of their economies for many African countries and remain keys to economic growth. Africa is richly endowed with mineral reserves and ranks first in quantity of world reserves for bauxite, cobalt, industrial diamond, phosphate rock, platinum-group metals (PGM), vermiculite, and zirconium.
The mineral industry of Mozambique plays a significant role in the world's production of aluminium, beryllium, and tantalum. In 2006, Mozambique's share of the world's tantalum mine output amounted to 6%; beryllium, 5%; and aluminium, 2%. Other domestically significant mineral processing operations included cement and natural gas.
Bauxite mining in Australia is an economically significant industry both for Australia and globally. The industry focuses on the mining of bauxite, the primary raw material for alumina and aluminium. Australia is the world's largest bauxite producer, producing almost a third of global bauxite.
South32 is a mining and metals company headquartered in Perth, Western Australia. It was spun out of BHP Billiton on 18 May 2015. It is listed on the Australian Securities Exchange with secondary listings on the Johannesburg and London Stock Exchanges.
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Compagnie des bauxites de Guinée (CBG) is a Guinean mining company. Since 1963 it has extracted bauxite from the notable mine in Sangarédi, in Boké Region in Guinea. It is 49% owned by the Guinean State, with the remainder owned by the Boké Investment Company, a 100%-owned subsidiary of Halco Mining, a consortium opened in 1962 by Harvey Aluminum Company to run mining operations in Guinea. Halco's stock is owned by Alcoa (45%), Rio Tinto Alcan (45%) and Dadco Investments (10%).
Compagnie des bauxites de Kindia (CBK) is a Guinean company in the mining sector. Since 2001, it has mined the large Kindia Bauxite deposit in Kindia, in Guinea.
References
- ↑ Worley (2021-01-19). "Metal of choice: The role of aluminium in energy transition". Miningreview.com. Retrieved 2023-06-13.
- ↑ "Profiling the top four bauxite exporting countries in Africa" . Retrieved 2023-06-13.
- ↑ "Aluminium, Alumina and Bauxite". www.south32.net. Retrieved 2023-06-13.
- ↑ Danino, Daniel. "Council Post: Building Ghana's Aluminium Empire: Leveraging Resources And Infrastructure To Become A Major Player In The Global Market". Forbes. Retrieved 2023-06-13.
- ↑ "Africa's top 5 primary Aluminium producers; Aluminium Extrusion, Profiles, Price, Scrap, Recycling, Section". alcircle. Retrieved 2023-06-13.
- ↑ Read "The Industrial Green Game: Implications for Environmental Design and Management" at NAP.edu.
- ↑ Hugon, Philippe (2010-03-01). "Cooperation: New Players in Africa". International Development Policy | Revue internationale de politique de développement (1): 95–113. doi: 10.4000/poldev.138 . ISSN 1663-9375.
- 1 2 "Index". www.railwaysafrica.com. Archived from the original on 2023-06-07. Retrieved 2023-06-07.
- ↑ "Guinea – Mining: Bauxite Mining – Overview". Mbendi. 6 June 2023. Archived from the original on 6 May 2023. Retrieved 6 June 2023.
- ↑ "Mozambique: Mozal Suffers From South African Energy Crisis". Agencia de Informacao de Mocambique (Maputo). 2008-06-10. Archived from the original on 2012-10-07. Retrieved 2017-09-07.
