Fig. 5: Schematic model showing a deep cycle of crustal Cu-rich sulfides tracked by the heavy Cu isotope composition from the ELIP picrites-basalts.
From: Copper isotope evidence for recycled crustal sulfides in deep mantle plume source
Cu isotope data source of different geological reservoirs is listed in Supplementary Note 2. See texts for further explanations. Error bars are 2 SD.
