Supplement to: Batiza, Rodey; Rosendahl, Bruce R; Fisher, Robert L (1977): Evolution of oceanic crust: 3. Petrology and chemistry of basalts from the East Pacific Rise and the Siqueiros Transform Fault. Journal of Geophysical Research, 82(2), 265-276, https://doi.org/10.1029/JB082i002p00265