Excel calculation sheet for Biotite from EPMA data (Li et al. 2020, Lithos)

Excel spreadsheet for calculating biotite formula from EMPA data. Li X., Zhang C., Behrens H., Holtz F. (2020) Calculating biotite formula from electron microprobe analysis data using a machine learning method based on principal components regression. Lithos, 356-357: 105371. https://doi.org/10.1016/j.lithos.2020.105371本数据集为可基于电子探针显微分析（Electron Microprobe Analysis, EMPA）数据计算黑云母分子式的Excel电子表格。 李X、张C、贝伦斯H、霍尔茨F（2020）：基于主成分回归的机器学习方法利用电子探针显微分析数据计算黑云母分子式。《Lithos》，356-357卷：105371。 https://doi.org/10.1016/j.lithos.2020.105371