Data for: Osmium isotope evidence for a heterogeneous 3He/4He mantle plume beneath the Juan Fernandez Islands

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.

表 1. 约翰·费尔南德斯玄武岩和橄榄石分离物中的锇同位素及亲铁元素丰度数据。表 S1. 完整的元素数据及同位素（He、O、Sr、Nd、Os、Pb）表，包括约翰·费尔南德斯玄武岩和橄榄石。表 S2. BHVO-2 和 OKUM-1 标准的锇同位素及亲铁元素丰度数据。表 S3. 约翰·费尔南德斯玄武岩和橄榄石中 HSE 分析的空白丰度和百分比。表 S4. 通过扫描电子显微镜获得的约翰·费尔南德斯橄榄石中尖晶石包体的大元素组成（质量百分比）。表 S5. 通过激光剥蚀电感耦合等离子体质谱（LA-ICP-MS）测得的橄榄石颗粒和尖晶石包体的亲铁元素丰度（ppm）。表 S6. 约翰·费尔南德斯玄武岩和橄榄石的微量元素丰度数据。表 S7. 在约翰·费尔南德斯玄武岩和橄榄石的微量元素分析过程中对外部标准（ppm）的重复分析。表 S8. 在约翰·费尔南德斯橄榄石的大元素分析过程中对外部标准（ppm）的重复分析。