Hydrothermal vents (smokers) in shallow inland seas underlain by terrane mosaics and controlling giant ore deposits of Europe
published: Jan 1, 1998
ArtNo. ESP136000603011, Price: 19.00 €
Devonian and Triassic hydrothermal vents ("smokers") were discovered in Zawiercie north of Krakow. Twenty km to the south, in the Olkusz district, a younger chimney structure was found crosscutting the whole flat-lying Triassic sequence, forming an ore body of the former Ulisses mine near shaft No. 71. Moreover, a zoning of the MnO contents in carbonate rocks of the first Zechstein evaporate cycle, as well as numerous vein formations (Rucken) in the stopes of the Rudna mine (in the Fore-Sudetian block) indicate that hydrothermal vents have intermittently operated here. The localization of these vents has been plotted on a map of the main terrane sutures of Poland.