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Zirconium silicates in a peralkaline granite: a record of the interplay of magmatic and hydrothermal processes (Ilímaussaq complex, Greenland)

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Zirconium silicates in a peralkaline granite: a record of the interplay of magmatic and hydrothermal processes (Ilímaussaq complex, Greenland). / Cegiełka, M.; Bagiński, B.; Macdonald, R. et al.
In: Acta Geologica Polonica, Vol. 72, No. 2, 08.06.2022, p. 235-245.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Cegiełka, M, Bagiński, B, Macdonald, R, Belkin, HE, Kotowski, J & Upton, BGJ 2022, 'Zirconium silicates in a peralkaline granite: a record of the interplay of magmatic and hydrothermal processes (Ilímaussaq complex, Greenland)', Acta Geologica Polonica, vol. 72, no. 2, pp. 235-245. https://doi.org/10.24425/agp.2022.140427

APA

Cegiełka, M., Bagiński, B., Macdonald, R., Belkin, H. E., Kotowski, J., & Upton, B. G. J. (2022). Zirconium silicates in a peralkaline granite: a record of the interplay of magmatic and hydrothermal processes (Ilímaussaq complex, Greenland). Acta Geologica Polonica, 72(2), 235-245. https://doi.org/10.24425/agp.2022.140427

Vancouver

Cegiełka M, Bagiński B, Macdonald R, Belkin HE, Kotowski J, Upton BGJ. Zirconium silicates in a peralkaline granite: a record of the interplay of magmatic and hydrothermal processes (Ilímaussaq complex, Greenland). Acta Geologica Polonica. 2022 Jun 8;72(2):235-245. doi: 10.24425/agp.2022.140427

Author

Cegiełka, M. ; Bagiński, B. ; Macdonald, R. et al. / Zirconium silicates in a peralkaline granite : a record of the interplay of magmatic and hydrothermal processes (Ilímaussaq complex, Greenland). In: Acta Geologica Polonica. 2022 ; Vol. 72, No. 2. pp. 235-245.

Bibtex

@article{7d52d2e3c3a24812a11cd8eac23718f3,
title = "Zirconium silicates in a peralkaline granite: a record of the interplay of magmatic and hydrothermal processes (Il{\'i}maussaq complex, Greenland)",
abstract = "Compositional and textural data are presented for zircon, secondary Zr-silicates, catapleiite and elpidite in a peralkaline granite from the Il{\'i}maussaq complex, south Greenland. The zircon is essentially stoichiometric, with (Zr + Hf + Si) = 1.96–1.98 a.p.f.u. The secondary Zr-silicates show a wide range of Zr/Si atomic ratios (0.13–0.79). The catapleiite varies from close to stoichiometric to a Na-depleted type showing cation deficiency (5.2–5.8 a.p.f.u.). Elpidite shows similar variations (7.2–9.0 a.p.f.u.). Textural relationships between the Zr phases are interpreted to show that magmatic zircon interacted with hydrous fluids exsolved from the magma to form the secondary Zr-silicates. Formation of catapleiite was late-magmatic, in equilibrium with a Na-Sibearing fluid. This was followed by the crystallization of elpidite, the fluid having a different Na/Si ratio. Both catapleiite and elpidite experienced Na-loss during late-stage hydrothermal alteration.",
author = "M. Cegie{\l}ka and B. Bagi{\'n}ski and R. Macdonald and H.E. Belkin and J. Kotowski and B.G.J. Upton",
year = "2022",
month = jun,
day = "8",
doi = "10.24425/agp.2022.140427",
language = "English",
volume = "72",
pages = "235--245",
journal = "Acta Geologica Polonica",
number = "2",

}

RIS

TY - JOUR

T1 - Zirconium silicates in a peralkaline granite

T2 - a record of the interplay of magmatic and hydrothermal processes (Ilímaussaq complex, Greenland)

AU - Cegiełka, M.

AU - Bagiński, B.

AU - Macdonald, R.

AU - Belkin, H.E.

AU - Kotowski, J.

AU - Upton, B.G.J.

PY - 2022/6/8

Y1 - 2022/6/8

N2 - Compositional and textural data are presented for zircon, secondary Zr-silicates, catapleiite and elpidite in a peralkaline granite from the Ilímaussaq complex, south Greenland. The zircon is essentially stoichiometric, with (Zr + Hf + Si) = 1.96–1.98 a.p.f.u. The secondary Zr-silicates show a wide range of Zr/Si atomic ratios (0.13–0.79). The catapleiite varies from close to stoichiometric to a Na-depleted type showing cation deficiency (5.2–5.8 a.p.f.u.). Elpidite shows similar variations (7.2–9.0 a.p.f.u.). Textural relationships between the Zr phases are interpreted to show that magmatic zircon interacted with hydrous fluids exsolved from the magma to form the secondary Zr-silicates. Formation of catapleiite was late-magmatic, in equilibrium with a Na-Sibearing fluid. This was followed by the crystallization of elpidite, the fluid having a different Na/Si ratio. Both catapleiite and elpidite experienced Na-loss during late-stage hydrothermal alteration.

AB - Compositional and textural data are presented for zircon, secondary Zr-silicates, catapleiite and elpidite in a peralkaline granite from the Ilímaussaq complex, south Greenland. The zircon is essentially stoichiometric, with (Zr + Hf + Si) = 1.96–1.98 a.p.f.u. The secondary Zr-silicates show a wide range of Zr/Si atomic ratios (0.13–0.79). The catapleiite varies from close to stoichiometric to a Na-depleted type showing cation deficiency (5.2–5.8 a.p.f.u.). Elpidite shows similar variations (7.2–9.0 a.p.f.u.). Textural relationships between the Zr phases are interpreted to show that magmatic zircon interacted with hydrous fluids exsolved from the magma to form the secondary Zr-silicates. Formation of catapleiite was late-magmatic, in equilibrium with a Na-Sibearing fluid. This was followed by the crystallization of elpidite, the fluid having a different Na/Si ratio. Both catapleiite and elpidite experienced Na-loss during late-stage hydrothermal alteration.

U2 - 10.24425/agp.2022.140427

DO - 10.24425/agp.2022.140427

M3 - Journal article

VL - 72

SP - 235

EP - 245

JO - Acta Geologica Polonica

JF - Acta Geologica Polonica

IS - 2

ER -