WebLithium isotopes fractionate substantially during a wide variety of natural processes, including mineral formation (chemical precipitation), metabolism, ion exchange (Li substitutes for Mg and Fe in octahedral sites in clay minerals, where 6 Li is preferential over 7 Li), hyperfiltration, and rock alteration (Morozova and Alferovskiy, 1974; Chan … Web12 apr. 2024 · In the past, magmatic differentiation was thought not to produce resolvable Li isotopic fractionation based on studies of basaltic rocks. Overall, only sparse studies on …
Lithium Isotope Fractionation During Intensive Felsic Magmatic ...
Web12 apr. 2024 · The lithium isotope behavior documented in this study provides new insights into magmatic differentiation and associated rare-metal mineralization. Key Points Large Li isotopic fractionations are observed in rare-metal-rich peraluminous granites Web7 jul. 2024 · While the extent of Li isotope fractionation between the aqueous solution and the source rocks is indicative of the processes involved in Li extraction, the radiogenic strontium ( 87 Sr/ 86 Sr) isotope composition of aqueous solutions reflects, in contrast, the composition of the source. chrome pc antigo
Lithium isotope evidence for subduction-enriched mantle in …
Web2 feb. 2024 · Ostrá Lúka basalts are a product of the final phase of Neogene volcanism in Central Slovakia. Their major and trace elements composition is alkaline, a feature confirmed by light rare earth elements (LREE) relative enrichment and some incompatible trace elements ratios. The basalts contain rare surrounded gabbro … Web6 mrt. 2024 · The lithium isotope system is increasingly being applied to a variety of Earth science studies, as the burgeoning literature attests; over 180 papers have been published in the last twelve... Web8 jan. 2024 · Natural lithium, mined from the Earth, contains two stable isotopes: Lithium-7 and Lithium-6. Lithium-7 has 3 protons and 4 neutrons; Lithium-6 has three of each. Natural lithium contains 92 percent Lithium-7 and only 7.5 percent Lithium-6. chrome pdf 转 图片