WitrynaThe two types of immobile, incompatible elements which are most sensitive to depth of melting are 1) Y and the HREE and 2) Zr and Hf, both of which partition more strongly into the garnet-bearing mantle residue that characterises melting at the solidus at higher temperatures and pressures. ... Geochemical fingerprinting of non-SSZ ophiolites is ... Witryna14 mar 2024 · Instead, immobile element proxies for fractionation indices, alkalinity, mantle temperature, mantle flow and subduction addition may be used to classify …
Geochemistry and Tectonic Setting of Amphibolites in the …
Witrynaophiolites and SSZ ophiolites has to be done carefully and by integrating several geochemical tools. Consequently, in order to accurately assess the geochemical fingerprinting of ophiolites, it is necessary to look at the fluid-immobile element data. Fluid-immobile elements remain unaltered during weathering and low-temperature … WitrynaInstead, immobile element proxies for fractionation indices, alkalinity, mantle temperature, mantle flow and subduction addition may be used to classify ophiolite lavas and … the palms villas flamingo beach
Ophiolite genesis and global tectonics: Geochemical and tectonic ...
http://www.geosciencefrontiers.com/en/article/doi/10.1016/j.gsf.2024.10.003 WitrynaHere, we investigate in detail the LIP printing of basic lavas, sills and dykes using two immobile element proxies: Th/Nb, a crustal input proxy, to monitor subduction-metaso... WitrynaThe ophiolitic rocks of the Attic-Cycladic crystalline belt are considered of key importance for understanding the Mesozoic tectonic evolution of the Aegean region. Unresolved questions concern their tectono-stratigraphic relationships across the region. The mode of occurrence of the Cycladic ophiolites varies, as they appear as: (a) dismembered … the palms waukee imax