Fig. 1From: Continental weathering as the source of iron in Jurassic iron oolites from SwitzerlandTectonic map of Switzerland with the three studied iron oolite deposits indicated by white stars. H = Herznach, WG = Windgällen and EE = Erzegg. Sample coordinates are given in Table 1. Modified after Federal Office of Topography swisstopo (2005)Back to article page