Breiter, Karel, Kynický, Jindřich, Korbelová, Zuzana (2024) Chemical and Textural Peculiarities of Zircon from Peralkaline Granites and Quartz-Bearing Syenites. Minerals, 14 (2) doi:10.3390/min14020187
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Chemical and Textural Peculiarities of Zircon from Peralkaline Granites and Quartz-Bearing Syenites | ||
| Journal | Minerals | ||
| Authors | Breiter, Karel | Author | |
| Kynický, Jindřich | Author | ||
| Korbelová, Zuzana | Author | ||
| Year | 2024 | Volume | < 14 > |
| Issue | < 2 > | ||
| URL | |||
| DOI | doi:10.3390/min14020187Search in ResearchGate | ||
| Classification | Not set | LoC | Not set |
| Mindat Ref. ID | 17152039 | Long-form Identifier | mindat:1:5:17152039:4 |
| GUID | 3bd5f654-cfb0-46f9-a5f4-2569c5d0f232 | ||
| Full Reference | Breiter, Karel, Kynický, Jindřich, Korbelová, Zuzana (2024) Chemical and Textural Peculiarities of Zircon from Peralkaline Granites and Quartz-Bearing Syenites. Minerals, 14 (2) doi:10.3390/min14020187 | ||
| Plain Text | Breiter, Karel, Kynický, Jindřich, Korbelová, Zuzana (2024) Chemical and Textural Peculiarities of Zircon from Peralkaline Granites and Quartz-Bearing Syenites. Minerals, 14 (2) doi:10.3390/min14020187 | ||
| In | Link this record to the correct parent record (if possible) | ||
| Abstract/Notes | Zircon from four plutons of peralkaline granites and quartz-bearing syenites, differing in geotectonic positions, petrological and mineralogical compositions, and contents of volatile and trace elements, was studied using SEM, CL, and EPMA with the intention to define typical textural and chemical features of zircon from peralkaline rocks. In strongly peralkaline Na-pyroxene-bearing rocks represented by the Khan Bogd and Khalzan Buregte plutons (Mongolia), the primary zircon is scarce or missing. Most zircon grains are secondary, originating in hydrothermal stage from primary Zr silicates. They often form globular or radial aggregates. Chemical compositions of zircon in these rocks typically show high contents of Y, moderate contents of REE (thus high Y/Yb values) together with low contents of U and Th and low analytical totals. In mildly peralkaline mica-bearing rocks represented by Ivigtut stock (Groenland) and Madeira pluton (Brazil), the exclusive primary Zr mineral is zircon, mostly of orthomagmatic origin. Its analytical totals approach 100 wt%, enrichment in HREE, resulting in low Y/Yb values, is typical. Zircon populations from two types of peralkaline granitoids can be distinguished from each other and from zircon from S-type granites based on combination of the Zr/Hf, Y/Yb, and U/Th values, or on the Y-Hf-P ternary diagram. | ||
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