Geochemical dataset of Fagradalsfjall 2021 eruption

This dataset contain geochemical data of the first 50 days of the 2021 Fagradalsfjall eruption, Iceland. There are major, minor and trace elements of whole-rock, groundmass glasses and mineral-hosted melt inclusions, along with major and minor element composition of minerals (plagioclase, clinopyroxene, olivine and spinels) and Sr, Nd, Pb isotopes of whole-rock samples. The dataset also contains volatile-analyses (H2O and CO2) of groundmass glasses and melt inclusions. FInally, the composition (H2O, CO2, SO2, HCL, HF) of volcanic gases is also reported.