Boksit
Boksitutawa bauksit, iku wijialumuniumsing paling wigati. Dat iki dumadi akèh-akèhé saka bahan logamgibbsiteAl(OH)3,boehmiteγ-AlO(OH), lan alumunium dioksida hidroksida (diaspore) α-AlO(OH), bebarengan karo oksida wesigoethitelanhematite,lempung mineralkaolinitelan sethithikanataseTiO2.Dat iki dijenengaké saka jeneng désaLes BauxingPranciskidul, papan tinemu sepisanan dat iki ing taun 1821 déning geologisPierre Berthier.
Pangasil boksit[besut|besut sumber]
Tabel ig ngisor iki nagara diurut miturut akèhé cadhangan boksit.
| Negara | Prodhuksi tambang | Cadhangan | Dhasar cadhangan | |
|---|---|---|---|---|
| 2007 | 2008 | |||
 Guinea |
18,000 | 18,000 | 7,400,000 | 8,600,000 |
 Australia |
62,400 | 63,000 | 5,800,000 | 7,900,000 |
 Vietnam |
30 | 30 | 2,100,000 | 5,400,000 |
 Jamaica |
14,600 | 15,000 | 2,000,000 | 2,500,000 |
 Brasil |
24,800 | 25,000 | 1,900,000 | 2,500,000 |
 Guyana |
1,600 | 1,600 | 700,000 | 900,000 |
 India |
19,200 | 20,000 | 770,000 | 1,400,000 |
 Cina |
30,000 | 32,000 | 700,000 | 2,300,000 |
 Greece |
2,220 | 2,200 | 600,000 | 650,000 |
 Suriname |
4,900 | 4,500 | 580,000 | 600,000 |
 Kazakhstan |
4,800 | 4,800 | 360,000 | 450,000 |
 Venezuela |
5,900 | 5,900 | 320,000 | 350,000 |
 Ruslan |
6,400 | 6,400 | 200,000 | 250,000 |
 Amérikah Sarékat |
NA | NA | 20,000 | 40,000 |
| Negara liya | 7,150 | 6,800 | 3,200,000 | 3,800,000 |
| Total donya (diganepna) | 202,000 | 205,000 | 27,000,000 | 38,000,000 |
Sumber:U.S. Geological Survey, Mineral Commodity Summaries, January 2009 Cithakan:Industry country lists
Rujukan[besut|besut sumber]
- Bardossy, G. (1982): Karst Bauxites. Bauxite deposits on carbonate rocks. Elsevier Sci. Publ. 441 p.
- Bardossy, G. and Aleva, G.J.J. (1990): Lateritic Bauxites. Developments in Economic Geology 27, Elsevier Sci. Publ. 624 p. ISBN 0-444-988
Pranala njaba[besut|besut sumber]
 |
Wikimedia Commons duwé médhia ngenaniBauxite. |
| Artikel iki minangkaartikel rintisan.Kowé bisa ngéwangi Wikipédiangembangaké. |