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Geochemical controls on uranium precipitation in calcrete palaeochannel deposits of Namibia
uranium hydrogeochemistry geochemical modelling Namibia
2011/11/10
Palaeo-river channels containing calcrete are important potential hosts for economic uranium mineralization in many parts of southern Africa particularly Namibia. The main feature of these deposits ar...
Geochemical controls on uranium precipitation in calcrete palaeochannel deposits of Namibia
uranium hydrogeochemistry geochemical modelling Namibia
2011/11/7
Palaeo-river channels containing calcrete are important potential hosts for economic uranium mineralization in many parts of southern Africa particularly Namibia. The main feature of these deposits ar...
Crystal structure of kanemite, NaHSi2O5·3H2O, from the Aris phonolite, Namibia
single-crystal X-ray diffraction kanemite NaHSi2O5·3H2O
2012/3/31
Kanemite was studied by single-crystal X-ray diffraction. The mineral, ideally NaHSi O °§3 O,2 5 2
is orthorhombic (space group Pbcn); unit-cell parameters are a = 4.946(3), b = 20.502(15), c = 7.275...