Experimental Constraints on Low Temperature Fe-Mg Carbonate Precipitation Under Early Mars Conditions

The datasets included are Microsoft Excel Files. The file names that include "Data" refer to those that are plotted within the main text of the paper. Found in Version 1: "Solution_Cation_mM_Change_Data.xlsx": Loss of cations (mM) from solution as determined by ICP data plotted in Figure 1 for all experiments 1-1 through 4-2. "Saturation_Points_Data.xlsx": Targeted and final mineral saturation values of experimental solutions as determined by ICP data plotted in Figure 2 for all experiments 1-1 through 4-2. "XRD_Data.xlsx": XRD spectra of powdered experimental samples plotted in Figure 3 for samples 1-1, 1-5, 1-6, 4-1, 4-2, 1-7, 1-8, 1-9, 1-10, 1-11, 1-12, 1-13, 1-14, 1-15, and 1-16. "EDS_Data.xlsx": EDS spectra of experimental precipitates plotted in Figures 4 and 5 for selected samples. Found in Version 2: "pygccFeMgCa_25C.txt": Thermodynamic database used in The Geochemist's Workbench to get Log K values. Found in Version 3: "Morris_ds01.docx": XRD data used and referenced in manuscript