电邮这篇文章 U-Th-He system in ore and accessory minerals from metasomatic rocks: testing potential thermochronometers from the Salla-Kuolayarvi zone
- 作者: Gannibal M.A.1, Gannibal A.E.1, Gudkov A.V.1, Kalinin A.A.1, Kashuk M.O.1, Kolobov V.V.2
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隶属关系:
- Geological Institute of the Kola Scientific Center, Russian Academy of Sciences
- Center for Physical and Technical Problems of Northern Energy, Kola Scientific Center, Russian Academy of Sciences
- 期: 卷 521, 编号 2 (2025)
- 页面: 265-271
- 栏目: MINERALOGY
- ##submission.dateSubmitted##: 21.09.2025
- ##submission.datePublished##: 15.12.2025
- URL: https://rjonco.com/2686-7397/article/view/690689
- DOI: https://doi.org/10.31857/S2686739725040127
- EDN: https://elibrary.ru/qdtzgk
- ID: 690689
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详细
A new approach to obtaining U-Th-He thermochronologic information is proposed. The content and mobility of radiogenic helium in concentrates of pyrite, magnetite, hematite and amphibole from albitites and their host rocks from gold-bearing uranium ore occurrences in the Salla-Kuolayarvi belt (northern Karelia) were estimated based on the results of incremental heating of samples with simultaneous registration of helium flux. The values of apparent U-Th-He ages were calculated taking into account the contribution of the trapped component. Suitability of the mineral species for placing the age boundaries on the evolution of ore-bearing metasomatic rocks was considered on the basis of the calculated parameters of helium mobility in the lattice, as well as petrographic features of each individual sample.
作者简介
M. Gannibal
Geological Institute of the Kola Scientific Center, Russian Academy of Sciences
Email: m.a.gannibal@gmail.com
Apatity, Russia
A. Gannibal
Geological Institute of the Kola Scientific Center, Russian Academy of Sciences
Email: m.a.gannibal@gmail.com
Apatity, Russia
A. Gudkov
Geological Institute of the Kola Scientific Center, Russian Academy of Sciences
Email: m.a.gannibal@gmail.com
Apatity, Russia
A. Kalinin
Geological Institute of the Kola Scientific Center, Russian Academy of Sciences
Email: m.a.gannibal@gmail.com
Apatity, Russia
M. Kashuk
Geological Institute of the Kola Scientific Center, Russian Academy of Sciences
Email: m.a.gannibal@gmail.com
Apatity, Russia
V. Kolobov
Center for Physical and Technical Problems of Northern Energy, Kola Scientific Center, Russian Academy of Sciences
编辑信件的主要联系方式.
Email: m.a.gannibal@gmail.com
Apatity, Russia
参考
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