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First results of U-Pb geochronological studies of the Precambrian granitoids of the Batomga block of the Aldan shield

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Abstract

This paper reports the first U-Pb geochronological data on the Precambrian granitoids of the Batomga block (Aldan shield). It was established that the amphibole diorites of this block have an age of 2062 ± 14 Ma, while biotite granites are dated at 2055 ± 7 Ma. These granitoids were subjected to epidote-amphibolie facies metamorphism 1920 ± 8 Ma ago.

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Correspondence to M. A. Mishkin.

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Original Russian Text © M.A. Mishkin, A.M. Lennikov, T.B. Bayanova, G.M. Vovna, V.G. Sakhno, R.A. Oktyabr’sky, Z.G. Badredinov, 2010, published in Tikhookeanskaya Geologiya, 2010, Vol. 29, No. 3, pp. 45–49.

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Mishkin, M.A., Lennikov, A.M., Bayanova, T.B. et al. First results of U-Pb geochronological studies of the Precambrian granitoids of the Batomga block of the Aldan shield. Russ. J. of Pac. Geol. 4, 223–227 (2010). https://doi.org/10.1134/S1819714010030048

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  • DOI: https://doi.org/10.1134/S1819714010030048

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