A survey of iron and steel making sites in the Tyne-Wear area of the United Kingdom

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Publication: CIM Bulletin
Auteur(s): D.D. HOGARTH
Numéro: 854
Volume: 76
Année: 1983
Texte
Sommaire: The use of Caro 's acid as a replacement for hydrogen peroxide for the oxidation of vanadium prior to solvent extraction resulted in a 56% reduction in oxidant usage when compared on an equivalent hydrogen peroxide basis. Comparative oxidation tests, using two actual uranium mill raffinates, resulted in premature precipitation of an amorphous ferric vanadate when hydrogen peroxide was used to oxidize one of the raffinates containing a high iron to vanadium ratio. The use of Caro's acid...
Publication: CIM Bulletin
Auteur(s): A.J. MATTUS, S.B. MAGID
Mots clés: Solvent extraction, Caro's acid, Hydrogen peroxide, Vanadium, Oxidation, Uranium, Mill raffinates, Redox chemistry.
Numéro: 854
Volume: 76
Année: 1983
Texte
Sommaire: The mid-Cretaceous Seagull batholith intruded Mississippian sedimentary and volcanic rocks and Jurassicf?) granitic and ultramafic rocks within the Omineca Crystalline Belt in the Yukon Territory near the British Columbia boundary. Leuco-cratic fluorine- and boron-rich granites of the batholith exhibit many textural variations from aplite to pegmatite, but are dominated by a coarse-grained seriate unit and a fine-grained porphyritic unit.
Four distinctive tin vein occurrences within and near...
Publication: CIM Bulletin
Auteur(s): GONZALO MATO, G. DITSON, COLIN GODWIN
Mots clés: Economic geology, Tin mineralization, Seagull batholith, Yukon Territory, Tungsten, Canadian Cordillera, MC showing, EC showing, DU showing, VAL showing.
Numéro: 854
Volume: 76
Année: 1983
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