Major and trace elements, and Sr isotopes compositions of Cenozoic melilitites and minerals from Haoti, Northeastrn Tibetau Plateau

This dataset for the manuscript entitled "Clinopyroxene diversity reveals open magma plumbing system and melts variation of Haoti Cenozoic melilitites, northeastern Tibetan Plateau". The samples are Cenozoic melilitites, collected from Haoti Tanchang County, northeastern Tibetau Plateau. The dataset includes: whole-rock major and trace element compositions, whole-rock Sr isotopes. clinopyroxene in situ major and trace element compositions and Sr isotopes, and olivine in situ major element compositions.