Original paper

Gold in metallogeny of the Central and Western European units of the Peri-Alpine Variscan Belt

Moravek, P.

Global Tectonics and Metallogeny Volume 5 Number 3-4 (1996), p. 145 - 164

36 references

published: Jan 1, 1996

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Gold is one of the principal metallogenic elements occurring in the Peri-Alpine Variscan Belt of Central and Western Europe. The gold-bearing deposits, the most important of which contain over a hundred tonnes of gold, are represented either by sulphide mineralization (base metals, mostly arsenic), or by gold-bearing quartz mineralization (with elevated concentrations of tungsten, silver, and antimony among the various types of deposits). The principal contribution of gold to the Earth's crust is probably attributable to Upper Proterozoic and Paleozoic submarine volcanism which is associated with the formation of stratiform, lithologically controlled gold-bearing sulphide mineralization. The migration and concentration of gold finely dispersed in volcano-sedimentary source complexes was a result of Variscan granitization and metamorphic processes. The origin of the early Variscan (360 to 330 million years), lithologically and structurally controlled gold-bearing quartz mineralization with a Bi, Te, Mo, and W paragenesis is assumed to be consistent with the metamorphic-hydrothermal model. Middle to late Variscan (320 to 290 million years) hydrothermal gold-bearing quartz mineralization (with increased amounts of silver) and gold-antimony mineralization show a significant structural control, and are associated with regional tectonic zones. These different genetic conditions control the distribution of the different types of gold-bearing mineralization in the zonal geological setting of the Central and Western European Variscan Belt.


GoldPeri-Alpine Variscan BeltEuropegold-bearing deposithydrothermal gold-bearing quartz