Ba-Fe titanates in Peralkaline granite of the Ilímaussaq Complex, South Greenland

• Autorzy: Cegiełka Małgorzata , Bagiński Bogusław , Macdonald Ray , Marciniak-Maliszewska Beata , Stachowicz Marcin

Identyfikatory

DOI

10.24425/agp.2021.137709

• Języki publikacji: EN

Abstrakty

EN

A peralkaline granite of the Ilímaussaq Complex, South Greenland, contains the rare mineral henrymeyerite [(Ba0.92Na 0.05Ca0.03) 1.0(Ti6.87Fe2+1.04Nb 0.03)7.9O 16], a low-Fe Ba titanate [(Ba0.74 Ca0.02Na 0.05) 0.8 (Ti4.9o Fe2+0.15Nb 0.04)5.1O 11], and an unidentified Ba titanosilicate. Both titanates show the coupled substitution 2Na+ + Si4+→ Ba2+ + Ti4+. The minerals are present as tiny crystals fringing ilmenite inclusions in an amphibole crystal and are thought to have formed during the hydrothermal stage of the granite’s evolution.

Słowa kluczowe

EN

Ilímaussaq peralkaline granite; henrymeyerite; low-Fe Ba Titanate

PL

granit; henrymeyerite; minerały; kryształy; tytanian baru

• Wydawca: Faculty of Geology of the University of Warsaw ; Komitet Nauk Geologicznych PAN
• Czasopismo: Acta Geologica Polonica
• Rocznik: 2022
• Tom: Vol. 72, no. 1
• Strony: 1--8
• Opis fizyczny: Bibliogr. 21 poz., rys., tab.

Twórcy

autor

Cegiełka Małgorzata

• Department of Geochemistry, Mineralogy and Petrology, Faculty of Geology, University of Warsaw, ul. Żwirki i Wigury 93, 02-089 Warsaw, Poland
• Institute of Geological Sciences, Polish Academy of Sciences, Research Centre in Warsaw, Twarda 51/55, 00-818 Warsaw, Poland.

autor

Bagiński Bogusław

• Department of Geochemistry, Mineralogy and Petrology, Faculty of Geology, University of Warsaw, ul. Żwirki i Wigury 93, 02-089 Warsaw, Poland

autor

Macdonald Ray

• Department of Geochemistry, Mineralogy and Petrology, Faculty of Geology, University of Warsaw, ul. Żwirki i Wigury 93, 02-089 Warsaw, Poland
• Environment Centre, Lancaster University, Lancaster LA1 4YQ, UK

autor

Marciniak-Maliszewska Beata

• Department of Geochemistry, Mineralogy and Petrology, Faculty of Geology, University of Warsaw, ul. Żwirki i Wigury 93, 02-089 Warsaw, Poland

autor

Stachowicz Marcin

• Department of Geochemistry, Mineralogy and Petrology, Faculty of Geology, University of Warsaw, ul. Żwirki i Wigury 93, 02-089 Warsaw, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).