Bazan olivin từ Đảo Livingston, Tây Nam Cực: So sánh thạch học và địa hóa

... Patagonian plateau lavas of southernmost South America in Pali-Aike volcanic field (Munoz, Stern, 1989; Stern et al., 1990; Skewes, Stern, 1979) were chosen also for comparisons with the Livingston... plume source (Hofmann, White, 1982; Storey et al., 1988) This is the reason these data to fall close to OIBs source LeMasurier and Rex (1991) and Hole and LeMasurier (1994) suggested also a mantle... subduction-enriched mantle HIMU-OIB type source According to Hole et al (1993) they are similar to HIMU basalts in their Sr and Nd-isotopes and like MORB in their Pb-isotope and some incompatible trace elements