Email this article Zirconology of ultrabasic rocks of the Karabash massif (Southern Urals)
- Authors: Krasnobaev A.A.1, Valizer P.M.2, Anfilogov V.N.2,3, Sergeev S.A.4, Rusin A.I.1, Busharina S.V.1, Medvedeva E.V.2
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Affiliations:
- Zavaritskii Institute of Geology and Geochemistry, Ural Branch
- Ilmeny State Reserve, Ural Branch
- Institute of Mineralogy, Ural Branch
- Karpinskii Russian Geological Research Institute
- Issue: Vol 469, No 1 (2016)
- Pages: 674-679
- Section: Geochemistry
- URL: https://journals.rcsi.science/1028-334X/article/view/188590
- DOI: https://doi.org/10.1134/S1028334X16070035
- ID: 188590
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Abstract
Dating of zircon (SHRIMP) from dunite and harzburgite of the Karabash massif was carried out for the first time. Relics of ancient crystals (1940 ± 30 Ma in harzburgite, 1860 ± 16 Ma in dunite) provide evidence for the Paleoproterozoic age of the protolith. The morphological peculiarities of zircon crystals allow us to assume differentiation of the magmatic source 1720 m. y. ago. The major variety of zircons indicates stages of metamorphic evolution in the Neoproterozoic (530–560 Ma) and Early–Late Ordovician (440–480 Ma).
About the authors
A. A. Krasnobaev
Zavaritskii Institute of Geology and Geochemistry, Ural Branch
Author for correspondence.
Email: krasnobaev@igg.uran.ru
Russian Federation, ul. Vonsovskogo 15, Yekaterinburg, 620016
P. M. Valizer
Ilmeny State Reserve, Ural Branch
Email: krasnobaev@igg.uran.ru
Russian Federation, Chelyabinsk oblast, Miass
V. N. Anfilogov
Ilmeny State Reserve, Ural Branch; Institute of Mineralogy, Ural Branch
Email: krasnobaev@igg.uran.ru
Russian Federation, Chelyabinsk oblast, Miass; Chelyabinsk oblast, Miass
S. A. Sergeev
Karpinskii Russian Geological Research Institute
Email: krasnobaev@igg.uran.ru
Russian Federation, Sredny pr. 74, St. Petersburg, 199106
A. I. Rusin
Zavaritskii Institute of Geology and Geochemistry, Ural Branch
Email: krasnobaev@igg.uran.ru
Russian Federation, ul. Vonsovskogo 15, Yekaterinburg, 620016
S. V. Busharina
Zavaritskii Institute of Geology and Geochemistry, Ural Branch
Email: krasnobaev@igg.uran.ru
Russian Federation, ul. Vonsovskogo 15, Yekaterinburg, 620016
E. V. Medvedeva
Ilmeny State Reserve, Ural Branch
Email: krasnobaev@igg.uran.ru
Russian Federation, Chelyabinsk oblast, Miass
