Ergebnisse der österreichischen Projekte des Internationalen Geologischen Korrelationsprogramms (IGCP) bis 1976 / Scientific Results of the Austrian Projects of the International Geological Correlation Programme (IGCP) Until 1976 pp 57-60 | Cite as
Metallogenetische Beziehungen der südosteuropäischen Mikroplatten
The pre-drift position of the so called micro-continents in Southeastern Europe is not well understood. The most reliable, because very cautious information can be drawn from the recent volume: Metallogeny and Concepts of the Geotectonic Development of Yugoslavia, ed. by. S. Jankovic, Belgrade 1974. The SerboMakedonian Massiv, the Rhodopes, the crystalline basement of the Carpathian Arc, the Moesian platform and the Menderes Massiv in Western Turkey are parts, splitted off from ancient Europe, whereas the basement of the Dinarides and the Apulian plate were belonging to the African craton. The Pelagonides probably have been incorporated later into the Dinaric belt. The general characteristic metallogenic feature of the prehercynian plates of Eastern Europe are stratiform iron- and manganese deposits and a lack of mineralization associated with the hercynian granites in Makedonia and in the Rhodopes. This perhaps could be explained by the deep level of erosion. In the Carpathic-Balkanic chain the granite cupolas are surrounded by different hydrothermal occurrences of Cu, Au, W, Zn. Nowhere, however, distinct ore districts can be made out which would help us to reconstruct ancient connections before the separation. The rich mineralization of SE-Europe was the result of mesozoic and tertiary events; triassic rifting in the Dinarides has created vulcano-sedimentary base metal deposits; jurassic and upper cretaceous subductions, in the Vardazone and in the Balkanides have caused the genesis of porphyrie copper deposits; palingenesis of continental crust in tertiary time has produced acidic magmas associated with Pb, Zn and Sb veins. Metallogenetic heredity, particulary concerning Pb and Zn, is apparent in the Dinarides and in the Western Mediterranean. The frequency of Mn and Ba in almost all of the miocenepliocene ore deposits around the Aegean Sea and in the islands might be a result of a beginning oceanization.
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