Structural ordering of feldspars as an indikator of the temperature of mineralogenesis
- Autores: Kotelnikov A.R.1, Shchekina T.I.2, Suk N.I.1, Kotelnikova Z.A.3, Antonovskaya T.V.4
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Afiliações:
- Korzhinskii Institute of Experimental Mineralogy RAS (IEM RAS)
- Moscow State University (MSU)
- Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry, RAS (IGEM RAS)
- Yushkin Institute of Geology RAS (IG Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences)
- Edição: Volume 69, Nº 5 (2024)
- Páginas: 461-467
- Seção: Articles
- URL: https://journal-vniispk.ru/0016-7525/article/view/272957
- DOI: https://doi.org/10.31857/S0016752524050038
- EDN: https://elibrary.ru/JBRFAQ
- ID: 272957
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Resumo
The processes of albite ordering in the range of low temperatures 500–150°C at a pressure of 0.5–1 kbar in alkaline solutions of sodium hydroxide with an excess of silica have been experimentally studied. Based on the data of our experiments and literature data on the ordering of albites and felsic plagioclases, dependences have been derived that make it possible to estimate the temperature from the degree of their structural ordering. The temperatures for plagioclase-bearing parageneses of various natural complexes of the greenschist facies of metamorphism have been determined.
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Sobre autores
A. Kotelnikov
Korzhinskii Institute of Experimental Mineralogy RAS (IEM RAS)
Autor responsável pela correspondência
Email: kotelnik1950@yandex.ru
Rússia, Acad. Osipyan street, 4, Chernogolovka, Moscow district, 142432
T. Shchekina
Moscow State University (MSU)
Email: kotelnik1950@yandex.ru
Geol. faculty
Rússia, Leninskie gory, 1, Moscow, 119991N. Suk
Korzhinskii Institute of Experimental Mineralogy RAS (IEM RAS)
Email: sukni@iem.ac.ru
Rússia, Acad. Osipyan street, 4, Chernogolovka, Moscow district, 142432
Z. Kotelnikova
Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry, RAS (IGEM RAS)
Email: kotelnik1950@yandex.ru
Rússia, Staromonetny st., 35, Moscow, 119017
T. Antonovskaya
Yushkin Institute of Geology RAS (IG Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences)
Email: kotelnik1950@yandex.ru
Rússia, Pervomaiskaya st., 54, Syktyvkar, Republic of Komi, 167982
Bibliografia
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