电邮这篇文章 About the age of granite of the famous Thunderstone pedestal of the monument to Peter the Great “The Bronze Horseman” in Saint Petersburg
- 作者: Ivanov M.A.1, Shevchenko S.S.2, Sergeev S.A.2, Popov G.N.3, Efremova N.N.4
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隶属关系:
- Saint Petersburg Mining University
- Russian Geological Research Institute (VSEGEI)
- Pangea LLC
- The State Museum of Urban Sculpture
- 期: 卷 CLIII, 编号 5 (2024)
- 页面: 3-12
- 栏目: Articles
- URL: https://journals.rcsi.science/0869-6055/article/view/281283
- DOI: https://doi.org/10.31857/S0869605524050018
- EDN: https://elibrary.ru/PCTZPO
- ID: 281283
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The age of the Thunderstone granite, which is the pedestal of the Bronze Horseman monument to Peter the Great in Saint Petersburg, is dated at ~1595 Ma. This age was obtained by U-Pb dating of accessory zircon separated with a jewelry gravel from the biotite flakes. The study was carried out on a secondary ion microprobe SIMS SHRIMP-IIe at the Center of Isotopic Research of the Karpinsky Institution (Saint Petersburg). 15 local U-Pb isotopic analyses were performed on 12 zircon crystals. It is not yet possible to recognize the source of the Thunder Stone, since granites of the same age have not yet been found either in the Vyborg batholith (1665—1615 million years), or in the Salminsky batholith (1547—1535 million years), or in other granite intrusions located in the proximity of Saint Petersburg. Thus, the Thunder Stone seems to confirm the historically established idea about its uniqueness and hints that its homeland should be sought among the manifestations of the yet unidentified phases of Early Riphean granitoid magmatism in the nearest regions.
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作者简介
M. Ivanov
Saint Petersburg Mining University
编辑信件的主要联系方式.
Email: zrmo@minsoc.ru
Д. чл.
俄罗斯联邦, 21-я линия, 2, Санкт-Петербург, 109106S. Shevchenko
Russian Geological Research Institute (VSEGEI)
Email: zrmo@minsoc.ru
俄罗斯联邦, Средний проспект, 72, Санкт-Петербург, 197110
S. Sergeev
Russian Geological Research Institute (VSEGEI)
Email: zrmo@minsoc.ru
俄罗斯联邦, Средний проспект, 72, Санкт-Петербург, 197110
G. Popov
Pangea LLC
Email: zrmo@minsoc.ru
д. чл.
俄罗斯联邦, ул. Возрождения, 20, Санкт-Петербург, 198188N. Efremova
The State Museum of Urban Sculpture
Email: zrmo@minsoc.ru
俄罗斯联邦, Невский пр., 179, Санкт-Петербург, 191167
参考
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