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The First Evidence for Mesozoic Magmatism on the Western Slope of the Southern Urals

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Abstract

Numerous Riphean mafic dykes cross-cut Precambrian clastics and carbonates on the western slope of the Southern Urals. An andesite dyke with an isotope age of 71 ± 1 Ma (U–Pb SHRIMP II on zircons) encountered among metamorphic rocks of the Taratashskii complex (Archean–Early Proterozoic) at the northern terminus of the Bashkirian meganticlinorium along with two gabbro bodies with zircons of similar ages near the town of Bakal provides the first evidence of Mesozoic magmatism in this region.

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Authors and Affiliations

  1. Department of Geology, Moscow State University, Moscow, 119991, Russia

    A. O. Khotylev, N. B. Devisheva & Al. V. Tevelev

  2. Geopoisk Scientific–Technical Production Enterprise, Chelyabinsk, 454126, Russia

    V. M. Moseichuk

Authors
  1. A. O. Khotylev
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  2. N. B. Devisheva
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  3. Al. V. Tevelev
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  4. V. M. Moseichuk
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Correspondence to A. O. Khotylev.

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Original Russian Text © A.O. Khotylev, N.B. Devisheva, Al.V. Tevelev, V.M. Moseichuk, 2018, published in Vestnik Moskovskogo Universiteta, Seriya 4: Geologiya, 2018, No. 5, pp. 24–34.

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Khotylev, A.O., Devisheva, N.B., Tevelev, A.V. et al. The First Evidence for Mesozoic Magmatism on the Western Slope of the Southern Urals. Moscow Univ. Geol. Bull. 73, 494–503 (2018). https://doi.org/10.3103/S0145875218060078

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  • DOI: https://doi.org/10.3103/S0145875218060078

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