Geochemical and mineralogical data

Data associated with the manuscript: "Controls over cesium and rubidium contents of sedimentary rocks" by Jan Środoń and Karol Jewuła submitted to GCA. The data include five tables: 1) Supplementary Table 1 contains chemical analyses of clay fractions acquired in the course of this study. 2) Supplementary Table 2 contains quality control data for chemical analyses of clay fractions provided by Actlab Laboratories. 3) Supplementary Tables 3-5 contain quantitative XRD and chemical analyses of bulk rock samples used in this study: the Miocene, Keuper, and Ediacaran-Cambrian sets, respectively. The R script used for generating plots and linear regression is also provided.