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. "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. "pygccFeMgCa_25C.txt": Thermodynamic database used in The Geochemist's Workbench to get Log K values. "Morris_ds01.docx": XRD data used and referenced in manuscript本次收录的数据集均为微软Excel（Microsoft Excel）文件。文件名中包含“Data”的文件，均对应论文正文中绘图所用的实验数据。 "Solution_Cation_mM_Change_Data.xlsx"：针对全部1-1至4-2号实验，该文件记录了通过电感耦合等离子体（ICP，Inductively Coupled Plasma）分析得到的溶液阳离子流失量（单位：mM），对应图1的绘图数据。 "Saturation_Points_Data.xlsx"：针对全部1-1至4-2号实验，该文件记录了通过ICP数据分析得到的实验溶液的目标矿物饱和值与最终矿物饱和值，对应图2的绘图数据。 "XRD_Data.xlsx"：该文件包含实验粉末样品的X射线衍射（XRD，X-ray Diffraction）光谱数据，涉及样品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及1-16，对应图3的绘图数据。 "EDS_Data.xlsx"：该文件包含实验沉淀产物的能谱（EDS，Energy Dispersive Spectroscopy）光谱数据，对应图4与图5的绘图数据，选自部分实验样品。 "pygccFeMgCa_25C.txt"：该文件为《地球化学家工作台》（The Geochemist's Workbench）中用于获取对数平衡常数（Log K）值的热力学数据库。