Articles | Volume 36, issue 1
https://doi.org/10.5194/ejm-36-11-2024
https://doi.org/10.5194/ejm-36-11-2024
Research article
 | 
05 Jan 2024
Research article |  | 05 Jan 2024

Multiple growth of zirconolite in marble (Mogok metamorphic belt, Myanmar): evidence for episodes of fluid metasomatism and Zr–Ti–U mineralization in metacarbonate systems

Qian Guo, Shun Guo, Yueheng Yang, Qian Mao, Jiangyan Yuan, Shitou Wu, Xiaochi Liu, and Kyaing Sein

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Cited articles

Audétat, A. and Keppler, H.: Solubility of rutile in subduction zone fluids, as determined by experiments in the hydrothermal diamond anvil cell, Earth Planet. Sc. Lett., 232, 393–402, https://doi.org/10.1016/j.epsl.2005.01.028, 2005. 
Antignano, A. and Manning, C.E.: Fluorapatite solubility in H2O and H2O–NaCl at 700 to 900 C and 0.7 to 2.0 GPa. Chem. Geol., 251, 112–119, https://doi.org/10.1016/j.chemgeo.2008.03.001, 2008. 
Azzone, R. G., Ruberti, E., Enrich, G. E. R., and Gomes, C. B.: Zr- and Ba-rich minerals from the Ponte Nova alkaline mafic–ultramafic massif, southeastern Brazil: indication of an enriched mantle source, Can. Mineral., 47, 1087–1103, https://doi.org/10.3749/canmin.47.5.1087, 2009. 
Bali, E., Audétat, A., and Keppler, H.: The mobility of U and Th in subduction zone fluids: an indicator of oxygen fugacity and fluid salinity, Contrib. Mineral. Petrol., 161, 597–613, https://doi.org/10.1007/s00410-010-0552-9, 2011. 
Barker, S. L., Cox, S. F., Eggins, S. M., and Gagan, M. K.: Microchemical evidence for episodic growth of antitaxial veins during fracture-controlled fluid flow, Earth Planet. Sc. Lett., 250, 331–344, https://doi.org/10.1016/j.epsl.2006.07.051, 2006. 
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Short summary
We investigate the occurrence, texture, composition, and chronology of three types of zirconolite in dolomite marbles from the Mogok metamorphic belt, Myanmar. These zirconolites, which were formed by multiple episodes of fluid–marble interaction, record the time-resolved fluid infiltration history in metacarbonates and reactive fluid compositions from ~35 to ~19 Ma. Zirconolite is expected to play a more important role in orogenic CO2 release and the transfer and deposition of rare metals.