Altered zircon from Ontario, Canada – An investigation from
microscale to nanoscale

J 2026

Altered zircon from Ontario, Canada – An investigation from microscale to nanoscale

TRAMM, Fabian; Richard WIRTH; Bartosz BUDZYN; Grzegorz RZEPA; Gabriela A. KOZUB-BUDZYN et al.

Základní údaje

Originální název

Altered zircon from Ontario, Canada – An investigation from microscale to nanoscale

Autoři

TRAMM, Fabian; Richard WIRTH; Bartosz BUDZYN; Grzegorz RZEPA; Gabriela A. KOZUB-BUDZYN; Jiri SLAMA; Piotr JELEN; Vladimir RODDATIS; Anja SCHREIBER a Milan NOVÁK

Vydání

LITHOS, AMSTERDAM, ELSEVIER, 2026, 0024-4937

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10505 Geology

Stát vydavatele

Nizozemské království

Utajení

není předmětem státního či obchodního tajemství

Odkazy

URL

Impakt faktor

Impact factor: 2.500 v roce 2024

Označené pro přenos do RIV

Ano

Organizační jednotka

Přírodovědecká fakulta

Klíčová slova anglicky

Nanotextures; Altered zircon; Pegmatite; Fluid-induced alteration; Geochronology

Štítky

14315010, rivok

Příznaky

Mezinárodní význam, Recenzováno

Změněno: 19. 1. 2026 09:05, Mgr. Marie Novosadová Šípková, DiS.

Anotace

V originále

Heavily altered zircon grains from a pegmatite from Ontario (Bancroft, Canada) were investigated using multiple microanalytical methods (EPMA, LA-ICPMS, Raman microspectroscopy), together with TEM and electron energy loss spectroscopy (EELS). The microscale study involved compositional and geochronological analyses, structural estimation, which was followed by investigation of selected textural domains at the nanoscale. The zircon grains display four distinct textural domains, which are: dom1 – primary, oscillatory zoned zircon; dom2 – zircon containing a fine network of cracks and faint oscillatory zoning; dom3 – secondary zircon, which follows former zoning or forms “finger-like” textures; and dom4 – heterogeneous, patchy zoned and microporous zircon containing numerous microinclusions. Compositional signatures indicate an igneous origin of dom1 and dom2, supported by concordant ages of ca. 1064 Ma. The dom3 and dom4 indicate hydrothermal origin, based on textural features caused by fluid-induced alteration that occurred in the Triassic as constrained by lower intercepts (240 ± 48 Ma and 197 ± 120 Ma) of discordant age data. At the nanoscale, primary zircon in dom1 displays an overall amorphous texture with finely distributed nanocrystals due to complete metamictization. Zircon in dom2 demonstrates a homogeneous crystalline structure, but with a moderate degree of radiation-damage. The secondary zircon of the dom3 finger-like textures is the result of multiple fluid-induced alteration mechanisms with fluids that followed primary zoning or fractures as pathways. The patchy zoned zircon in dom4 shows sharp nanoscale transitions with accumulation of U in bright patches, and accumulation of metallic Pb in dark patches, resulting in disturbed U and Pb signatures. The combination of microanalytical methods together with TEM enabled the reconstruction of the recorded history in the altered zircon grains. The presented nanotextures provide new insights important in the investigations of altered zircons from pegmatite and other metasomatically overprinted environments.

Citovat

TRAMM, Fabian; Richard WIRTH; Bartosz BUDZYN; Grzegorz RZEPA; Gabriela A. KOZUB-BUDZYN; Jiri SLAMA; Piotr JELEN; Vladimir RODDATIS; Anja SCHREIBER a Milan NOVÁK. Altered zircon from Ontario, Canada – An investigation from microscale to nanoscale. LITHOS. AMSTERDAM: ELSEVIER, 2026, roč. 522-523, February, s. 1-21. ISSN 0024-4937. Dostupné z: https://doi.org/10.1016/j.lithos.2025.108375.

@article{2548298,
   author = {Tramm, Fabian and Wirth, Richard and Budzyn, Bartosz and Rzepa, Grzegorz and KozubandBudzyn, Gabriela A. and Slama, Jiri and Jelen, Piotr and Roddatis, Vladimir and Schreiber, Anja and Novák, Milan},
   article_location = {AMSTERDAM},
   article_number = {February},
   doi = {https://doi.org/10.1016/j.lithos.2025.108375},
   keywords = {Nanotextures; Altered zircon; Pegmatite; Fluid-induced alteration; Geochronology},
   language = {eng},
   issn = {0024-4937},
   journal = {LITHOS},
   title = {Altered zircon from Ontario, Canada – An investigation from microscale to nanoscale},
   url = {https://www.sciencedirect.com/science/article/pii/S0024493725004347},
   volume = {522-523},
   year = {2026}
}

TY  - JOUR
ID  - 2548298
AU  - Tramm, Fabian - Wirth, Richard - Budzyn, Bartosz - Rzepa, Grzegorz - Kozub-Budzyn, Gabriela A. - Slama, Jiri - Jelen, Piotr - Roddatis, Vladimir - Schreiber, Anja - Novák, Milan
PY  - 2026
TI  - Altered zircon from Ontario, Canada – An investigation from microscale to nanoscale
JF  - LITHOS
VL  - 522-523
IS  - February
SP  - 1-21
EP  - 1-21
PB  - ELSEVIER
SN  - 00244937
KW  - Nanotextures
KW  - Altered zircon
KW  - Pegmatite
KW  - Fluid-induced alteration
KW  - Geochronology
UR  - https://www.sciencedirect.com/science/article/pii/S0024493725004347
N2  - Heavily altered zircon grains from a pegmatite from Ontario (Bancroft, Canada) were investigated using multiple microanalytical methods (EPMA, LA-ICPMS, Raman microspectroscopy), together with TEM and electron energy loss spectroscopy (EELS). The microscale study involved compositional and geochronological analyses, structural estimation, which was followed by investigation of selected textural domains at the nanoscale. The zircon grains display four distinct textural domains, which are: dom1 – primary, oscillatory zoned zircon; dom2 – zircon containing a fine network of cracks and faint oscillatory zoning; dom3 – secondary zircon, which follows former zoning or forms “finger-like” textures; and dom4 – heterogeneous, patchy zoned and microporous zircon containing numerous microinclusions. Compositional signatures indicate an igneous origin of dom1 and dom2, supported by concordant ages of ca. 1064 Ma. The dom3 and dom4 indicate hydrothermal origin, based on textural features caused by fluid-induced alteration that occurred in the Triassic as constrained by lower intercepts (240 ± 48 Ma and 197 ± 120 Ma) of discordant age data. At the nanoscale, primary zircon in dom1 displays an overall amorphous texture with finely distributed nanocrystals due to complete metamictization. Zircon in dom2 demonstrates a homogeneous crystalline structure, but with a moderate degree of radiation-damage. The secondary zircon of the dom3 finger-like textures is the result of multiple fluid-induced alteration mechanisms with fluids that followed primary zoning or fractures as pathways. The patchy zoned zircon in dom4 shows sharp nanoscale transitions with accumulation of U in bright patches, and accumulation of metallic Pb in dark patches, resulting in disturbed U and Pb signatures. The combination of microanalytical methods together with TEM enabled the reconstruction of the recorded history in the altered zircon grains. The presented nanotextures provide new insights important in the investigations of altered zircons from pegmatite and other metasomatically overprinted environments.
ER  -

TRAMM, Fabian; Richard WIRTH; Bartosz BUDZYN; Grzegorz RZEPA; Gabriela A. KOZUB-BUDZYN; Jiri SLAMA; Piotr JELEN; Vladimir RODDATIS; Anja SCHREIBER a Milan NOVÁK. Altered zircon from Ontario, Canada – An investigation from microscale to nanoscale. \textit{LITHOS}. AMSTERDAM: ELSEVIER, 2026, roč.~522-523, February, s.~1-21. ISSN~0024-4937. Dostupné z: https://doi.org/10.1016/j.lithos.2025.108375.

Přehled o publikaci