Leibniz University, Welfengarten 1 D-30167 Hannover, Germany Abstract The Central European Variscides and their...Belgium, in the West, through the Ruhr District, Germany, to the Upper Silesian Coal Basin, Poland. The...Na)xMg3x(Si4O10)(OH)2)], while others contain lithium such as swinefordite [Li(Al,Li,Mg)4((Si,Al)4O10)2(OH,F)4 · nH2O]...Nevertheless as being a common phyllosilicate also in the region under consideration it deserves a closer look at...metapelites as underpinned by geochemical surveys in SE Germany (Dill 2015a). It is no surprise to find a varied |