An Ordovician Age of the Dunite–Wehrlite–Clinopyroxenite Banded Complex of the Nurali Massif (Southern Urals, Russia): U–Pb (SHRIMP) Zircon Age Data
- Authors: Krasnobaev A.A.1, Valizer P.M.2, Perchuk A.L.3,4
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Affiliations:
- Zavaritsky Institute of Geology and Geochemistry, Ural Branch
- Ilmeny State Reserve, Ural Branch
- Department of Geology
- Institute of Experimental Mineralogy
- Issue: Vol 73, No 2 (2018)
- Pages: 166-176
- Section: Article
- URL: https://journals.rcsi.science/0145-8752/article/view/174668
- DOI: https://doi.org/10.3103/S0145875218020072
- ID: 174668
Cite item
Abstract
The data on the geochemistry and geochronology of zircons from wehrlites and clinopyroxenites of the dunite–wehrlite–clinopyroxenite banded complex that lies at the base of the crustal section of the ophiolite complex of the Nurali massif are presented. The obtained U–Pb age of the banded complex of 450 ± 4 Ma differs markedly from the previous age data. According to REE distribution patterns zircons from ultramafic rocks are attributed to the magmatic type and they indicate the age and supposed genetic similarity of the above rocks with lherzolites and dunites from the mantle section of the Nurali massif.
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About the authors
A. A. Krasnobaev
Zavaritsky Institute of Geology and Geochemistry, Ural Branch
Author for correspondence.
Email: krasnobaev@igg.uran.ru
Russian Federation, Yekaterinburg, 620016
P. M. Valizer
Ilmeny State Reserve, Ural Branch
Email: krasnobaev@igg.uran.ru
Russian Federation, Miass, Chelyabinsk region, 456317
A. L. Perchuk
Department of Geology; Institute of Experimental Mineralogy
Email: krasnobaev@igg.uran.ru
Russian Federation, Moscow, 119091; Moscow Region, Chernogolovka, 142432