Copper and zinc isotopic compositions of seep carbonates: implication for paleo-methane seepage and paleoenvironment proxies

Raw data for all figures in the manuscript. Table 1 "Copper-zinc isotopic compositions of seep carbonates and reference materials"; Table 2 "Calculated authigenic Cu and Zn fractions and isotopic data of seep carbonates"; Table 3 "Bulk-rock major and trace element concentrations of the cold seep carbonates and rare earth element concentrations of the authigenic carbonate components".