The closure temperature(s) of zircon Raman dating

Härtel, Birk; Jonckheere, Raymond; Wauschkuhn, Bastian; Ratschbacher, Lothar

doi:https://doi.org/10.5194/gchron-3-259-2021

Articles | Volume 3, issue 1

https://doi.org/10.5194/gchron-3-259-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/gchron-3-259-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 3, issue 1

Research article

|

04 May 2021

Research article |

| 04 May 2021

The closure temperature(s) of zircon Raman dating

Birk Härtel, Raymond Jonckheere, Bastian Wauschkuhn, and Lothar Ratschbacher

Supplement

https://doi.org/10.5194/gchron-3-259-2021-supplement

Data sets

Supplementary material for Härtel, B., Jonckheere, R., Wauschkuhn, B., Ratschbacher, L.: The closure temperature(s) of zircon Raman dating B. Härtel, R. Jonckheere, B. Wauschkuhn, and L. Ratschbacher https://doi.org/10.25532/OPARA-103

Short summary

We carried out thermal annealing experiments between 500 and 1000 °C to determine the closure temperature of radiation-damage annealing in zircon (ZrSiO₄). Our results show that the different Raman bands of zircon respond differently to annealing. The repair is highest for the external rotation Raman band near 356.6 cm⁻¹. The closure temperature estimates range from 250 to 370 °C for different bands. The differences in closure temperatures offer the prospect of multi-T zircon Raman dating.