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LATE CRETACEOUS AGE OF THE ROCHOVCE GRANITE, WESTERN CARPATHIANS, CONSTRAINED BY U-Pb SINGLE-ZIRCON DATING IN COMBINATION WITH CATHODO-LUMINESCENCE IMAGING

In: Geologica Carpathica, vol. 52, no. 1
Ulrike Poller - Pavel Uher - Marian Janak - Dusan Plasienka - Milan Kohut

Details:

Year, pages: 2001, 41 - 47
About article:
The Rochovce Granite — a subsurface intrusion in the southeastern part of the Veporic Unit, has been dated by means of the single zircon U-Pb method. The dated sample represents coarse-grained biotite monzogranite of the first intrusive phase. The morphology and composition of the zircon crystals were controlled by cathodoluminescence and electron microprobe analysis. The resulting U-Pb data plot on a discordia line with a lower intercept age of 75.6 ± 1.1 Ma, and an upper intercept age of 1203 ± 500 Ma. The lower intercept age is interpreted as the crystallization age of the Rochovce Granite. Cathodoluminescence imaging excludes the presence of inherited cores or disturbing inclusions in the dated zircons. The intrusion and emplacement of the Rochovce Granite were most likely accomplished by NE-dipping, low-angle extensional normal faults, developed along the NW-SE sector of the Lubenik line at the contact between the Veporicum and Gemericum. The new U-Pb single-zircon data prove the Late Cretaceous age of the Rochovce Granite and provide a further argument to recognize Cretaceous granite magmatism in the Western Carpathians.
How to cite:
ISO 690:
Poller, U., Uher, P., Janak, M., Plasienka, D., Kohut, M. 2001. LATE CRETACEOUS AGE OF THE ROCHOVCE GRANITE, WESTERN CARPATHIANS, CONSTRAINED BY U-Pb SINGLE-ZIRCON DATING IN COMBINATION WITH CATHODO-LUMINESCENCE IMAGING. In Geologica Carpathica, vol. 52, no.1, pp. 41-47. 1335-0552.

APA:
Poller, U., Uher, P., Janak, M., Plasienka, D., Kohut, M. (2001). LATE CRETACEOUS AGE OF THE ROCHOVCE GRANITE, WESTERN CARPATHIANS, CONSTRAINED BY U-Pb SINGLE-ZIRCON DATING IN COMBINATION WITH CATHODO-LUMINESCENCE IMAGING. Geologica Carpathica, 52(1), 41-47. 1335-0552.