 | Coppola, Vito, Boni, Maria, Gilg, H. Albert, Balassone, Giuseppina, Dejonghe, Léon (2008) The “calamine” nonsulfide Zn–Pb deposits of Belgium: Petrographical, mineralogical and geochemical characterization. Ore Geology Reviews, 33 (2) 187-210 doi:10.1016/j.oregeorev.2006.03.005 | Journal (article/letter/editorial) | | The “calamine” nonsulfide Zn–Pb deposits of Belgium: Petrographical, mineralogical and geochemical...Germany c Geological Survey of Belgium, 13 Rue Jenner, B-1000 Brussels, Belgium d Geologisch-Paläontologisches...of a mixture of Zn carbonates (smithsonite, hydrozincite) and Zn silicates (hemimorphite, willemite and... Engis, Dickenbusch, Fossey, Rocheux-Oneux, Welkenraedt and in other smaller deposits (all no longer...4 to − 14.7‰. The metallic deposits of Eastern Belgium have undergone a polyphase history, which started |  | | Journal (article/letter/editorial) | | fractionation between smithsonite, phosgenite, hydrozincite and calcite is less than about 2‰, while cerussites...fractionation factors for phosgenite [Pb2Cl2CO3] and hydrozincite [Zn5(OH)6(CO3)2] have not yet been determined...and of calcite for fast-reacting aragonite and hydrozincite (O'Neil, 1986). H.A. Gilg et al. / Ore Geology...41-G cc Crystals 62-G cc Crystals Liège district, Eastern Belgium RN1996a sm Clear crystals, outer part...(continued) Sample no Mineral Description Liège district, Eastern Belgium RN2008c sm Brownish massive matrix |  | | Report (issue) | | Pepinster Polleur Stembert Theux Verviers Walhorn Welkenraedt Xhendelesse Conclusions CHAPITRE III: 311 313...du Synclinorium de Verviers, de la Province de Liège et de la Belgique III.l.l. Observations III.1.2...Coupe SE-NW suivant le plan de la Faille de Welkenraedt, d'après plans miniers. Figure 55.- Saint-Paul...Espérance). Plan d'ensemble des minéralisations de Welkenraedt, schéma récapitulatif. Figure 58.- Sasserotte...longitudinale (SE-NW) suivant le plan de la Faille de Welkenraedt, d'après plans miniers. Figure 70.- Witter. Vue |  | | Journal (article/letter/editorial) | | ED 5.1 “Calamine” Deposits in Europe 5.1.1. Belgium – where everything started 5.1.2. SW Sardinia –...importance in supergene deposits are smithsonite, hydrozincite, hemimorphite, MA sauconite (Zn-smectite)...“Calamine”) tend to be dominated by smithsonite and hydrozincite, whereas the ores hosted in siliciclastic rocks...relatively simple (smithsonite, hemimorphite, hydrozincite), as in the oxidation products derived from...known as “white ores”, consist of smithsonite, hydrozincite and minor Fe-(hydr)oxides. They contain AC |  | | Book (volume) | | Phosgenite Ores montite Bismuth Iron 124. Hydrozincite Native antimony Iron-pyrites Polariscope...Antimony-ores forms. growth of Willemite, Hydrozincite. com- 22. of Franklinite, Calamine, Hemimorphite...place the along three directions at cube. Belgium. take depressions the place of the Italy...crystal. rock-crystal Mountains, Germany. Welkenraedt, Bologna, Rosette-like Fibbia, 12a and parallel...encrusted in 2, Belgium. three directions crystals shown 7 fig. Welkenraedt network octahedral |  | | Journal (article/letter/editorial) | | countries are: the U. S. A., Canada, Germany, Belgium and France. The world production of metallic thallium...zinc skimmings containing 4% thallium. , In Belgium thallium is obtained frOm pyrite in the cities...(the deposits of Upper Silesia, Westphalia and Belgium, from which most of Europe's thallium is obtained)...of disseminated, layered ore in Western Europe (Belgium, Westphalia, Upper Silesia), thallium occurs widely...Aragonite Parisite Malachite Azurite Aurichalcite Hydrozincite Basobismutite Soda Schreckexigerite Celesite |  | | Book (volume) | | polytechnique, 15, BAUDRY et Cil-, MAISON A LIÈGE, RUE DE LA REGENCE, 1897 Tous droits réservés...échantillons l'ite et divers autres 1 lie Welkenraedt ( voir à hlende). — Gorbières et Montagne...français, mais moins belles 1. de moitié.) de Welkenraedt se rencontrent ral de gangue. La de plus...raux suivants : lemite, kapnite, zincite, hydrozincite. Dans 2“ Dans terrains sédimentaires. les |  | | Book | | forms smithsonite, willemite, hemimorphite, hydrozincite, etc., processes which could be included with...photographed with inclined illumination Welkenraedt, Belgium FΦRSTER "Reticulate galena". Galena, grown...fossilized precipitates of a thermal spring ; Vedrin, Belgium. XI. Literature. The detailed discussion first...N E U H A U S (1942); similar occurrences from Belgium were described by EVRARD. BRAVOITE, VAESITE,...Aachen district, (similar occurrences at Vedrin, Belgium),—Niedermarsberg, Westfalia; Wiesloch and Horbach |
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