Metal enrichment in bauxites by deposition of chemically mature aeolian dust

Metal enrichment in bauxites by deposition of chemically mature aeolian dust

Mass-balance equations applied to chemical analyses of a bauxite weathering profile in Western Australia show quantitatively that the ore-grade enrichment of aluminum is due to accumulation of aeolin dust derived elsewhere from chemically mature soils. This finding challenges the prevalent view.

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Veröffentlicht in:Nature (London) 1988-06, Vol.333 (6176), p.819-824
Hauptverfasser: Brimhall, George H, Lewis, Christopher J, Ague, Jay J, Dietrich, William E, Hampel, Joachim, Teague, Tim, Rix, Peter
Format: Artikel
Sprache:eng
Schlagworte:
Aluminum
Dust
Earth sciences
Earth, ocean, space
Eolian dust
Exact sciences and technology
Geology
Metal geology
Metallic and non-metallic deposits
Metals
Minerals
Physics
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Beschreibung
Zusammenfassung:Mass-balance equations applied to chemical analyses of a bauxite weathering profile in Western Australia show quantitatively that the ore-grade enrichment of aluminum is due to accumulation of aeolin dust derived elsewhere from chemically mature soils. This finding challenges the prevalent view.
ISSN:0028-0836
1476-4687
DOI:10.1038/333819a0