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Synthesis and characterisation of hydrotalcite from bauxite residue liquor and magnesium nitrate
Synthesis characterisation hydrotalcite bauxite residue liquor magnesium nitrate
2012/3/30
The extraction of alumina from bauxite by the Bayer process produces a slurry by-product referred to as ‘bauxite residue’ or ‘red mud’. The liquid component of the slurry is highly alkaline and requir...
Corundum and hercynite in Bauxite from South Western Australia
Corundum hercynite Bauxite South Western Australia
2012/3/30
Boddington bauxite from the Darling Range lateritic bauxite province in south-western Australia has formed from diverse granitic and mafic parent rocks. The bauxite profile contains saprock, saprolite...
Petrography and Geochemistry of the Jajarm Bauxite ore Deposit, Northeast Iran: Implications for Source Rock Material and Ore Genesis
Iran karst bauxite geochemistry diaspore ore deposit
2010/10/14
The Jajarm bauxite deposit, northeast Iran, is the largest such deposit in Iran. The deposit is sandwiched between the Triassic Elika formation and the Jurassic Shemshak formation, housed within karst...
Nordstrandite in Bauxite Derived from Phonolite, Lages, Santa Catarina, Brazil
Bauxite Boehmite Gibbsite Nordstrandite Paraná Basin Phonolite Weathering
2011/12/5
Abstract: Nordstrandite from Lages represents the first occurrence of this mineral in an oxisoil that does not involve the influence of a calcareous substrate. This is also the first reported occurren...
The Natural Occurrence of Eta-Alumina (兣-Al2O3) in Bauxite
Akdalaite Bauxite Chi-alumina Eta-alumina Gamma-alumina Pisoliths Poorly-diffracting material Tohdite
2011/12/27
Approximately 20 wt.% of the bauxite from Andoom in northern Queensland, Australia is composed of material that cannot be accounted for by identifiable well-crystallized phases. This poorly- diffracti...
Kaolinization of Bauxite: A Study of the Vlasenica Bauxite Area, Yugoslavia. II. Alteration of Oolites
Aluminum Bauxite Boehmite Diaspore Kaolinization Oolites
2012/1/10
During the epigenetic alteration of boehmitic karstic bauxite in the Vlasenica region of Yugoslavia, which was caused by siliceous water descending through the deposit by means of cracks, fissures, et...
Scanning Electron Microscopic and X-ray Powder Diffraction Study of Manganiferous Bauxite, Kincsesbanya, Hungary
Aluminum Bauxite Lithiophorite Manganese Scanning electron microscopy X-ray powder diffraction
2012/2/2
Manganiferous karst bauxites are rare on a worldwide scale. One such body, recently mined at Kincsesb醤ya, Hungary, has been studied by chemical, petrographic, X-ray powder diffraction, scanning electr...
Kaolinization of Bauxite: A Study in the Vlasenica Bauxite Area, Yugoslavia. I. Alteration of Matrix
Aluminum Bauxite Boehmite Kaolinite Resilification Silica
2012/2/2
The kaolinization of bauxite has generally been thought to be a simple process of epigenetic resilification. A study of the karstic boehmitic bauxites in the Vlasenica region of Yugoslavia, however, s...
Resilication of Bauxite at the Alabama Street Mine, Saline County, Arkansas, Illustrated by Scanning Electron Micrographs
Allophane Al:Si ratio Bauxite Gibbsite Kaolinite Resilication Scanning electron microscopy
2012/2/3
Resilication of bauxite produced kaolin at and beneath an old erosion surface on bauxite at the Alabama Street Mine of ALCOA in Saline County, Arkansas. The transitional alteration can be traced in mo...
Solubility Diagrams for Explaining Zone Sequences in Bauxite, Kaolin and Pyrophyllite-Diaspore Deposits
Solubility Diagrams Zone Sequences Pyrophyllite-Diaspore Deposits
2012/2/13
Solubility diagrams defined by log [Al3+] and log [H4SiO4] are given for hydrous alumina or aluminum silicate minerals which appear in bauxite, kaolin and pyrophyllite-diapore deposits. They are const...