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Hi Megan,
Here are many references for the monazite chemistry in different context.
We don't have calculated temperature but you will find a lot of different
chemistry in natural samples :
1. Nicollet C., Bosse V., Spalla M.I. and Schiavi F. (2018) Eocene
ultra-high temperature (UHT) metamorphism in the Gruf complex (Central
Alps): constraints by LA-ICPMS zircon and monazite dating in petrographic
context. Journal of the Geological Society. Vol. 175, 774–787
https://doi.org/10.1144/jgs2018-017
2. Manzotti P., Bosse V., Pitra P., Robyr M., Schiavi F. and Ballevre M.
(2018) Exhumation rates in the Gran Paradiso Massif (Western Alps)
constrained by in situ U–Th–Pb dating of accessory phases
(monazite,allanite and xenotime). Contributions to Mineralogy and
Petrology (2018) 173:24 https://doi.org/10.1007/s00410-018-1452-7
3. Laurent A.T., Duchene S., Bingen B., Bosse V, Seydoux Guillaume A.M.
(2018b) Two successive phases of ultrahigh temperature metamorphism in
Rogaland, S. Norway: evidence from Y‐in‐monazite thermometry. Journal of
Metamorphic Geology 36 (8), 1009-1037
3. Skrzypek E., Bosse V., Kawakami T., Martelat J.E. and Štípská P. (2016)
Transient allanite replacement and prograde to retrograde monazite
(re)crystallization in medium-grade metasedimentary rocks from the
Orlica-Śnieżnik Dome (Czech Republic/Poland): Textural and
geochronological arguments. Chemical Geology,
http://dx.doi.org/10.1016/j.chemgeo.2016.11.033
4. Didier A., Bosse V., Bouloton J., Mostefaoui S., Viala M., Paquette
J.L., Devidal J.L., Duhamel R. (2015). NanoSIMS mapping and LA ICP MS
chemical and U–Th–Pb data in monazite from a xenolith enclosed in ndesite
(Central Slovakia Volcanic Field). Contribution to Mineralogy & Petrology
vol.170, p.45, doi:10.1007/s00410-015-1200-1
5. Didier A., Bosse V., Boulvais P., Bouloton J., Paquette J.L., Montel
J.M. and Devidal J.L. (2013) Disturbance versus preservation of U–Th–Pb
ages in monazite during fluid–rock interaction: textural, chemical and
isotopic in situ study in microgranites (Velay Dome, France). Contrib.
Mineral. Petrol. Vol.165, Issue 6, pp 1051–1072 ; DOI
10.1007/s00410-012-0847-0
6. Didier A., Bosse V., Cherneva Z., Gautier P., Georgieva M., Paquette
J.L. and Gerdjikov I. (2014). Syn-deformation fluid-assisted growth of
monazite during renewed high-grade metamorphism in metapelites of the
Central Rhodope (Bulgaria, Greece) Chemical Geology 381, 206–222.
7. Laurent A.T., Seydoux Guillaume A.M., Duchene S., Bingen B., Bosse V.
and Datas L. (2016) Sulphate incorporation in monazite lattice and dating
the cycle of sulphur in metamorphic belts. Contribution to Mineralogy &
Petrology 171:94 ; DOI 10.1007/s00410-016-1301-5
Cheers
Valérie Bosse
> Hi Megan,
>
> We write a paper on low temperature monazite geochronology in sandstone,
> temperature probably around 250C. We don’t have direct temperature
> estimate, but we bracketed it with data from surrounding terranes and from
> fluid inclusions.
>
> Attached is the paper and the supplementary data containing the monazite
> geochemistry. Watch out, all the cores are inherited, and so it’s PT of
> formation are unknown.
>
> Cheers,
>
> Julien
>
>
> On 8 Nov 2018, at 02:42, Megan Alice Williams
> <[log in to unmask]<mailto:[log in to unmask]>>
> wrote:
>
> Dear All,
>
> I am putting together a database of monazite chemistry from the published
> literature and am looking for datasets with the following essential
> characteristics:
> 1. Natural metamorphic monazite analyses (EPMA)
> 2. Analyses containing Th, Si and Ca
>
> 3. Each analysis paired to either a grain temperature (e.g.
> Y-in-monazite), or a whole rock temperature (conventional thermobarometry
> or phase diagrams). This can also be a temperature that is extrapolated
> from other samples in a terrane.
>
> The following additional pieces of information would be useful, but are
> not essential:
> 4. Pressure conditions (grain or whole rock)
> 5. Whole rock composition for the sample, in particular including P,
> Ca, Al, Ce, Th, Y
>
> 6. The microstructural location of the grains.
>
> I would highly appreciate any contributions of datasets that fit the above
> criteria, or direction to where published versions of the full datasets
> can be found. I have a particular paucity of data from low temperature
> (<550 •C) and high temperature (>850 •C).
>
> Many thanks in advance,
>
> Best regards,
>
> Megan Williams
>
> PhD Candidate
> Impact of melt loss on monazite and Th behaviour in Earth’s crust:
> applications to geochronology and crustal heat production
> Department of Earth Sciences
> School of Physical Sciences
> The University of Adelaide, AUSTRALIA 5005
> e-mail:
> [log in to unmask]<mailto:[log in to unmask]>
>
> CRICOS Provider Number 00123M
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