On the improvement of calculating biotite formula from EPMA data: Reexamination of the methods of Dymek (1983), Yavuz and Oztas (1997), Li et al. (2020) and reply to the discussion of Baidya and Das
On the improvement of calculating biotite formula from EPMA data: Reexamination of the methods of Dymek (1983), Yavuz and Oztas (1997), Li et al. (2020) and reply to the discussion of Baidya and Das
Xiaoyan Li 1Chao Zhang 2Harald Behrens2
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作者信息
1. State Key Laboratory of Continental Dynamics, Department of Geology, Northwest University, Xi'an 710069, China
2. Institute of Mineralogy, Leibniz University Hannover, Callinstr. 3, 30167 Hannover, Germany
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Abstract
Biotite (sensu lato) is a widespread silicate hydrous mineral in various geological conditions with potential petrological and geochemical implications. However, due to the chemical and structural complexities of biotite, calculating biotite formula from routine EPMA data has been a challenging task for decades. We thank Baidya and Das (2021) for their comments on our method presented in Li et al. (2020), which inspired us to further consider the issues about the improvement of calculating biotite formula from EPMA data.
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