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The following evidence is presented in support of the hydrothermal origin of the Silesian-Cracovian zinc-lead deposits: the ore mineralization interval in the Devonian-Jurassic strata, the relation between mineralization and the WNW dislocations, the great variability in form and content of the ore bodies, characteristic ore textures, vertical zonality of mineralization, large aureoles or haloes of poor mineralization surrounding the ore bodies, distinct differences in the physico-chemical conditions of the origin of the ore mineralization and of wall rocks, the temperature of sphalerite formation up to 120° C, and the isotopic composition of lead. It follows from the metallogenic analysis that there most probably is a relation between these deposits, the basic-alkaline magmatism of the stabile zone of the Alpine cycle, and the great lineaments. It seems less probable that these deposits originated from parahydrothermal solutions or that there is a genetic relationship between them and the magmatism of the mobile zone. The Silesian-Cracovian and Rhineland ore deposits are situated on the opposite ends of a latitudinally elongated belt of basic-alkaline magmatic rocks and on the intersection with other large perpendicular dislocations. It is possible to distinguish two groups of zinc-lead deposits in carbonate rocks: one connected with the stabile, the other with the mobile zone.

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