International Geological Journal - Official Journal of the Carpathian-Balkan Geological Association

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SHRIMP U-Th-Pb zircon dating of the granitoid massifs in the Male Karpaty Mountains (Western Carpathians): evidence of Meso-Hercynian successive S- to I-type granitic magmatism

Published: Oct 2009

Pages: 345 - 350

DOI: https://doi.org/10.2478/v10096-009-0026-z

Authors: MILAN KOHUT, PAVEL UHER, MARIAN PUTIS, MARTIN ONDREJKA, SERGEY SERGEEV, ALEXANDER LARIONOV, ILYA PADERIN

Abstract: Representative granitic rock samples from the Male Karpaty Mountains of the Western Carpathians (Slovakia) were dated by the SHRIMP U-Th-Pb isotope method on zircons. Oscillatory zoned zircons revealed concordant Mississippian magmatic ages: 355±5 Ma in Bratislava granodiorite, and 347±4 Ma in Modra tonalite. The results document nearly synchronous, successive Meso-Hercynian plutonic events from S-type to I-type granites. The Neo-Proterozoic inherited zircon cores (590±13 Ma) were identified in the Bratislava S-type granitic rocks whereas scarce Paleo-Proterozoic inherited zircons (1984±36 Ma) were detected within the Modra I-type tonalites.

Keywords: Western Carpathians, Male Karpaty Mts, Bratislava Massif, Modra Massif, granitic rocks, zircon, SHRIMP dating

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