Data for: Osmium isotope evidence for a heterogeneous 3He/4He mantle plume beneath the Juan Fernandez Islands
Description
Table 1. Osmium isotope and highly siderophile element abundance data for Juan Fernandez lavas and olivines separates. Table S1. Complete table of elemental data and isotopes (He, O, Sr, Nd, Os, Pb) for Juan Fernandez lavas and olivines. Table S2. Osmium isotope and highly siderophile element abundance data for BHVO-2 and OKUM-1 standards. Table S3. Blank abundances and percentages for HSE analyses of Juan Fernandez lavas and olivines. Table S4. Major element compositions (wt%) of spinel inclusions in the Juan Fernandez olivines by Scanning Electron Microscopy. Table S5. Highly siderophile element abundances (in ppm) for olivine grains and spinel inclusions by LA-ICP-MS. Table S6. Trace element abundance data for Juan Fernandez lavas and olivines. Table S7. Replicate analyses of external standards (in ppm) during trace element analyses of Juan Fernandez lavas and olivines. Table S8. Replicate analyses of external standards (in ppm) during major element analyses of Juan Fernandez olivines.