First Data on Yatulian (2.1 Ga) Metamorphism in the Belomorian Mobile Belt
- Authors: Kozlovskiy V.M.1, Savatenkov V.M.2,3, Terentyeva L.B.2, Kurdyukov E.B.1
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Affiliations:
- Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry, Russian Academy of Sciences
- Institute of Precambrian Geology and Geochronology, Russian Academy of Sciences
- Institute of Earth Sciences, St. Petersburg State University
- Issue: Vol 485, No 1 (2019)
- Pages: 322-326
- Section: Geochemistry
- URL: https://ogarev-online.ru/1028-334X/article/view/194733
- DOI: https://doi.org/10.1134/S1028334X19030310
- ID: 194733
Cite item
Abstract
The Sm–Nd isotope ages of apoamphibolite eclogites and eclogite-like garnet-clinopyroxene crystalline schists collected in the Chupa and Engozero segments of the Belomorian mobile belt are estimated. Eclogites and eclogite-like garnet–clinopyroxene rocks demonstrated nearly the same isotope age (2119 ± 170 and 2191 ± 39 Ma, respectively) on the same pair of minerals (garnet–clinopyroxene). The age obtained (about 2.1 Ga) is the oldest indicator of the onset of Paleoproterozoic metamorphism in the Belomorian mobile belt.
About the authors
V. M. Kozlovskiy
Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry, Russian Academy of Sciences
Author for correspondence.
Email: bazil@igem.ru
Russian Federation, Moscow, 119017
V. M. Savatenkov
Institute of Precambrian Geology and Geochronology, Russian Academy of Sciences; Institute of Earth Sciences, St. Petersburg State University
Email: bazil@igem.ru
Russian Federation, St. Petersburg, 119034; St. Petersburg, 119034
L. B. Terentyeva
Institute of Precambrian Geology and Geochronology, Russian Academy of Sciences
Email: bazil@igem.ru
Russian Federation, St. Petersburg, 119034
E. B. Kurdyukov
Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry, Russian Academy of Sciences
Email: bazil@igem.ru
Russian Federation, Moscow, 119017
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