Correction to: Characterization of hydrothermal alteration along geothermal wells using unsupervised machine-learning analysis of X-ray powder diffraction data.

The original article can be found online at https://doi.org/10.1007/s12145-021-00694-3. B Correction to: Earth Science Informatics b https://doi.org/10.1007/s12145-021-00694-3 In the original published version of this article, the affiliation of first author Kazuya Ishitsuka, " B Division of Sustainable Resources Engineering, Hokkaido University, Kita-ku, Sapporo, Japan" b should be included under the affiliation section since the said affiliations was Kazuya Ishitsuka's previous affiliation. [Extracted from the article]