MORB alteration: Rare-earth element/non-rare-earth hygromagmaphile element fractionation

Late Cretaceous crustal growth in the Gangdese area, southern Tibet: Petrological and Sr–Nd–Hf–O isotopic evidence from Zhengga diorite–gabbro

“…Moreover, on a primitive mantle-normalized trace-element diagram, the Zhengga mafic samples are characterized by subparallel patterns of REE and HFSE concentrations (Fig. 6), consistent with studies that show that the REEs and HFSEs as well as Th and Ti in mafic rocks are relatively immobile during alteration and low-grade metamorphism (Bienvenu et al, 1990;Staudigel et al, 1996). Therefore, the low-grade metamorphism has had an insignificant effect on the distribution of most elements.…”

Early Cretaceous high-Ti and low-Ti mafic magmatism in Southeastern Tibet: Insights into magmatic evolution of the Comei Large Igneous Province

“…immobile (Smith and Smith, 1976;Ludden and Thompson, 1978;Bienvenu et al, 1990;Staudigel et al, 1996). This could explain the observation (Fig.…”

Petrogenesis of the early Cretaceous volcanic rocks in the North Huaiyang tectono-magmatic unit of the Dabie Orogen, eastern China: Implications for crust–mantle interaction

“…Moreover, the Jingangtai volcanic rocks show subparallel patterns in both REE and spider diagrams (Fig. 6), suggesting that REEs and HFSEs as well as Th and Ti in rocks are relatively immobile during alteration (Bienvenu et al, 1990;Staudigel et al, 1996). Thus, the alteration effects on the elements and isotopic ratios are insignificant effect and the elements can be used to document the petrogenesis of the volcanic rocks in this study.…”