Articles | Volume 3, issue 1
Research article
16 Feb 2021
Research article |  | 16 Feb 2021

Thermal annealing of implanted 252Cf fission tracks in monazite

Sean Jones, Andrew Gleadow, and Barry Kohn

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Cited articles

Badr, M. J., Masoudi, F., Collins, A. S., and Cox, G.: Dating of Precambrian Metasedimentary Rocks and Timing of their Metamorphism in the Soursat Metamorphic Complex (NW IRAN): Using LA–CP-MS, U – Pb Dating of Zircon and Monazite, J. Sci., 21, 311–319, 2010. 
Belton, D. X.: The low-temperature thermochronology of cratonic terranes, PhD thesis, School of Earth Sciences, The University of Melbourne, 2006. 
Box, G. E. P. and Cox, D. R.: An Analysis of Transformations, J. Roy. Stat. Soc. B Met., 26, 211–252, 1964. 
Cenki-Tok, B., Berger, A., and Gueydan, F.: Formation and preservation of biotite – rich microdomains in high – temperature rocks from the Antananarivo Block, Madagascar, Int. J. Earth Sci., 105, 1471–1483,, 2016. 
Clemens, J. D.: Granitic magmas with I-type affinities, from mainly metasedimentary sources: the Harcourt batholith of southeastern Australia, Contrib. Mineral. Petr., 173, 1–20,, 2018. 
Short summary
We present the results of a series of experiments that constrain the temperature sensitivity of fission tracks in monazite over geological time. It is concluded that over a heating duration of 10 million years, the estimated closure temperature is < 50 °C and perhaps not much above ambient surface temperatures. Monazite fission track thermochronology has the potential to understand the thermal history and constrain the timing of geological processes in the Earth’s upper crust (< 1–2 km).