Metamorphic titanite–zircon pseudomorphs after igneous zirconolite
Abstract + + µ m; some are subrounded in shape. Locally, bead-like grains of titanite and zircon are intergrown with silicate minerals. The precursor igneous zirconolite was found preserved only in a sample of near-pristine igneous syenodiorite, as remnant grains of mainly < µ m in size. Two somewhat larger crystals, 8 and 12 µ m, allowed semiquantitative confirmation using microprobe analysis. Analogous with zircon pseudomorphs after baddeleyite, titanite + zircon pseudomorphs after zirconolite potentially offer dating of the metamorphic reaction, although the small size of the crystals makes dating with today's techniques challenging. The scarcity of reports of zirconolite and pseudomorphs reflects that they are either rare or possibly overlooked.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Metamorphic titanite–zircon pseudomorphs after igneous zirconolite ; volume:35 ; number:5 ; year:2023 ; pages:773-788 ; extent:16
European journal of mineralogy ; 35, Heft 5 (2023), 773-788 (gesamt 16)
- Urheber
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Urueña, Cindy L.
Möller, Charlotte
Plan, Anders
- DOI
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10.5194/ejm-35-773-2023
- URN
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urn:nbn:de:101:1-2023092104172862865375
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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14.08.2025, 10:55 MESZ
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Beteiligte
- Urueña, Cindy L.
- Möller, Charlotte
- Plan, Anders
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