Stable isotopic values obtained for the mid to late Pliocene section of Site 138-846. Values are a composite of data previously reported by Shackleton et al. ( Shackleton N, Hall, M.A. and Pate, D.. Pliocene stable isotope stratigraphy of Site 846. Proc ODP, Sci Results. 1995;138:337-55.) and new values obtained at Brown University. The Brown University data are consistently offset by an average of 0.14 o/oo in delta 18O, so that values are also reported after interlaboratory adjustment to align with the Shackleton data set.