Zircon geochronology of the Mashak volcanic rocks and the problem of the age of the lower-middle Riphean boundary (Southern Urals)

Black, L.P., Kamo, S.L., Allen, C.M., et al., Temora 1: a new zircon standard for Phanerozoic U-Pb geochronology, Chem. Geol., 2003, vol. 200, pp. 155–170.

Bogatikov, O.A., Andreeva, E.D., Bashkina, V.A., et al., Magmaticheskie gornye porody (Magmatic rocks), Bogatikov, O.A., Ed., Moscow: Nauka, 1987 [in Russian].

Formirovanie zemnoi kory Urala (Formation of the Earth’s crust of the Urals), Ivanov, S.N., Puchkov, V.N., Ivanov, K.S., et al., Eds., Moscow: Nauka, 1986 [in Russian].

Garan’, M.I., Proterozoic and Lower Paleozoic of the Southern Urals, in Soveshchanie po unifikatsii stratigraficheskikh skhem Urala (Proc. Conf. on unification of stratigraphic schemes of the Urals), Leningrad: VSEGEI, 1956, pp. 51–53.

Garan’, M.I., Lower and Middle Precambrian, in Geologiya SSSR. Permskaya, Sverdlovskaya, Chelyabinskaya i Kurganskaya oblasti. T. 12. Ch. 1. Kn. 1 (Geology of the USSR. Perm, Sverdlovsk, Chelyabinsk, and Kurgan Regions. Vol. 12. Part 1. Book 1), Moscow: Nedra, 1969, pp. 64–149.

The Geological Time Scale 2012, Gradstein, F.M., et al., Eds., Elsevier, 2012.

Geologicheskaya karta Rossiiskoi Federatsii i sopredel’noi territorii Respubliki Kazakhstan. Masshtab 1: 1000000 (novaya seriya). List N-40 (41)-Ufa. Ob”yasnitel’naya zapiska (The 1: 1000000 Geological Map of the Russian Federation and an adjacent territory of the Republic of Kazakhstan. New series. Sheet N-40(41)-Ufa. Explanatory note), Kozlov, V.I., Ed., St. Petersburg: MPR RF, OAO “Bashkirgeologiya”, Izd. SPb. Kartfabriki VSEGEI, 2002.

Ivanov, A.I., On stratigraphy and ancient orogenesis of ancient formations of the western slope of the Southern Urals, Tr. Bashkir. Geol. Tresta, 1937, no. 7, pp. 2–28.

Ivanov, A.I., Vozrast drevnikh svit zapadnogo sklona Yuzhnogo Urala (Age of ancient formations of the western slope of the Southern Urals), Ufa: Bashkir. Geol. Upravl., 1946 [in Russian].

Ivanov, A.I., Ancient “barren” strata of the Southern Urals, in Sovesh. po unifikatsii stratigr. skhem Urala i sootnosheniyu drevnikh svit Urala i Russkoi platformy. Tez. dokl. (Proc. Conf. on unification of stratigraphic schemes of the Urals and correlation of ancient formations of the Urals and Russian Platform), Leningrad, 1956, pp. 57–59.

Kozlov, V.I., Genina, L.A., Sergeeva, N.D., and Mikhailov, P.N., Middle Riphean volcanites of the Mashak formation of the Bashkir Megaanticlinorium (Southern Urals), in Mat. Mezhd. Konf. “Magmatizm na passivnykh okrainakh Rodinii” (v ramkakh proekta MPGK-440) (Proc. Int. Conf. Magmatism at the passive margins of Russia (project MPGK-440)), Ufa: IG UNTs RAN, 2003, pp. 32–34.

Kozlov, V.I., Sergeeva, N.D., and Genina, L.A., About the structure and subdivision of the Middle Riphean deposits of the Mashak formation (Southern Urals), Geol. Sb., 2007, no. 6, pp. 21–32.

Krasnobaev, A.A., Bibikova, E.V., Stepanov, A.I., et al., Age of effusives of the Mashak formation and problem of isotope-geochronologicla Lower-Midddle Riphean boundary, in Izotopnoe datirovanie protsessov vulkanizma i osadkoobrazovaniya (Isotope dating of processes of volcanism and sedimentation), Moscow: Nauka, 1985, pp. 162–175.

Krasnobaev, A.A., Bibikova, E.V., Ronkin, Yu.L., and Kozlov, V.I., Geochronology of volcanites of the Ai formation and isotopical age of the Riphean lower boundary, Izv. Akad. Nauk SSSR, Ser. Geol., 1992, no. 6, pp. 25–41.

Krasnobaev, A.A., Kozlov, V.I., Puchkov, V.N., et al., Mashak volcanism: situation 2008, in Strukturno-veshchestvennye kompleksy i problemy geodinamiki dokembriya fanerozoiskikh orogenov. Mat. Mezhd. Nauch. Konf. (III Chteniya pamyati S.N. Ivanova) (Structural-Compositional Complexes and Problems of Precambrian Geodynamics of the Phanerozoic Orogens (III Conf. devoted to S.N. Ivanov), Yekaterinburg: IGG UrO RAN, 2008, pp. 61–63.

Krasnobaev, A.A., Popov, V.S., and Belyatskii, B.V., Chronological and genetic relationships between intrusive rocks of the Berdyaush pluton, South Urals, in light of new U-Pb and Sm-Nd isotopic data, Zap. Vseross. Mineral. O-va, 2011, vol. CXXXX, pp. 61–63.

Larionov, A.N., Andreicev, V.A., and Gee, D.R., The Vendian alkaline igneous suite of northern Timan: ion microprobe U-Pb zircon ages of gabbros and syenite, in The Neoproterozoic Timanid Orogen of Eastern Baltica, Gee, D.R. and Pease, V.L., Geol. Soc. London. Mem. 30, 2004, pp, 69–74.

Ludwig, K.R., User’s Manual for Isoplot/Ex 3.22. Geochronological Toolkit for Microsoft Excel, Berkeley Geochronol. Center Spec. Publ., 2005.

L’vov, K.A. and Olli, A.I., About relationship of Middle Devonian deposits and the Asha formation and age of “barren” strata of the western slope of the Urals, Zap. Vseross. Mineral. O-va, 1935, vol. 64, no. 2, pp. 277–314.

Parnachev, V.P., Rotar’, A.F., and Rotar’, Z.M., Srednerifeiskaya vulkanogenno-osadochnaya assotsiatsiya Bashkirskogo antiklinoriya (Middle Riphean volcanogenic-sedimentary association of the Bashkir Anticlinorium), Sverdlovsk: UNTs AN SSSR, 1986 [in Russian].

Puchkov, V.N., Geologiya Urala i Priural’ya (aktual’nye voprosy stratigrafii, tektoniki, geodinamiki i metallogenii) (Geology of the Urals and the Priuralie (Actual Problems of Stratigraphy, Tectonics, Geodynamics and Metallogeny)), Ufa: DizainPoligrafServis, 2010 [in Russian].

Puchkov, V.N., Krasnobaev, A.A., Kozlov, V.M., et al., Preliminary data on the age of the Neo-Mezoproterozoic boundary in the southern Urals in light of new U-Pb dating, Geol. Sb. 2007, no. 6, pp. 3–4.

Puchkov, V.N., Krasnobaev, A.A., Shmitts, M., et al., New U-Pb age data of Riphean volcanites of the Mashak formation of the Southern Ural and their comparative evaluation, Geol. Sb., 2009, no. 8, pp. 3–15.

Ronkin, Yu.L., Maslov, A.V., Kazak, A.P., et al., The Lower-Middle Riphean boundary in the southern Urals: New isotopic U-Pb (SHRIMP II) constraints, Dokl. Akad. Nauk, 2007, vol. 415, no. 3, pp. 370–376.

Rotar’, A.F., Mashak Formation (Riphean) in the Southern Ural, Ofioliti, 1974, no. 4, pp. 116–123.

Semikhatov, M.A., Shurkin, K.A., Aksenov, E.M., et al., A new stratigraphic scale for the Precambrian of the USSR, Izv. Akad. Nauk SSSR, Ser. Geol., 1991, no. 4, pp. 3–13.

Shchvetsov, P.N., About the method of facies mapping of volcanites of the Urals, in Paleovulkanizm I orudenenie. 2-i Ural’skii Paleovulkanol. Simp. Tez. dokl. (Paleovolcanism and ore mineralization. Proc. 2nd Ural. Paleovolcanol. Symp.), Sverdlovsk, Miass, 1974.

Stacey, J.S. and Kramers, J.D., Approximation of terrestrial lead isotope evolution by a two-stage model, Earth Planet. Sci. Lett., 1975, vol. 26, pp. 207–221.

Steger, R.N. and Jager, E., Subcommission on geochronology: convention of the use of decay constants in geo- and cosmochronology, Earth Planet. Sci. Lett., 1977, vol. 36, pp. 359–362.

Stratigraficheckie skhemy Urala (dokembrii, paleozoi) (Stratigraphic schemes of the Urals (Precambrian, Paleozoic)), Yekaterinburg: Mezhv. Stratigr. Kom. Rossii, 1993 [in Russian].

Stratotip rifeya. Stratigrafiya. Geokhronologiya (The stratotype of Riphean. Stratigraphy. Geochronology), Moscow: Nauka, 1983 [in Russian].

Sun, S.S. and McDonough, W.F., Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes, in Magmatism in Ocean Basins, Saunders, A.D. and Norry M.J., Eds., Oxford: Blackwell, 1988, pp. 313–345.

Wiedenbeck, M., Alle, P., Corfu, F., et al., Three natural zircon standards for U-Th-Pb, Lu-Hf, trace element and REE analyses, Geostandards Newslett., 1995, vol. 19, pp. 1–23.

Williams, I.S., U-Th-Pb geochronology by ion microprobe. Applications in microanalytical techniques to understanding mineralizing processes, Rev. Econ. Geol, 1998, vol. 7, pp. 1–35.