Element transfer during multi stage rock-melt/fluid interactions in the Lost City Hydrothermal Field

Description of the different mantle and mafic rocks of Lost City Hydrothermal Field, Major and trace elements analyses of the altered peridotites and mafic rocks , Chemical compositions of representative spinels of LCHF peridotites and Sr, Nd isotope compositions and calculated water-rock ratios for samples of LCHF are provided in Table. Hand specimen photographs of the rock samples, Representative SEM-BSE images of spinels are provided in FigS1-S2. All chemical analyses of spinels are provided in Table S1.