Slab decarbonation in Tonga and Colombia subduction zones: data repository

(1) Datasets: Phase diagrams: combined_Arag*: mineral abundance of aragonite. combined_Cc*: mineral abundance of calcite. combined_Do*: mineral abundance of dolomite. combined_M*: mineral abundance of magnesite. combined_carbon_content*: CO2 content (wt.%). combined_water_content*: H2O content (wt.%). combined_P: pressure (kbar). combined_T: temperature (oC). All phase diagrams span 0–1200oC, 0.05–10 GPa, and 0-13 wt.% H2O, discretized into a 1000×1000×27 grid with resolutions of 1.2oC, 99.5 bar, and 0.5 wt.% H2O. Abbreviations for compositional layers: basalt_uvz: upper volcanic zone. basalt_lvz: lower volcanic zone. basalt_tz: transition zone. basalt_sd: sheeted dike. gabbro_uz: shallow gabbro. gabbro_lz: lower gabbro. Carbonate solubility datasets: solubility_Arag: solubility of aragonite. solubility_Cc: solubility of calcite. solubility_Do: solubility of dolomite. solubility_M: solubility of magnesite. (2) ModelResults: Basic Information: dx: spatial resolution in the horizontal direction (m). dy: spatial resolution in the slab-normal direction (m). thickness_layer: thickness of each compositional layer (km). thickness_total: total thickness of carbonate-bearing lithologies (km). num_layer: number of grid cells within each compositional layer. num_total: total number of grid cells within carbonate-bearing lithologies. rock_density: density of each rock cell (kg/m3). subduction_rate: subduction rate (m/Myr). slab_X: x-coordinate of each rock cell in the slab (m). slab_Y: y-coordinate of each rock cell in the slab (m). slab_P: pressure along the slab (kbar). slab_T: temperature along the slab (oC). Volatile inputs: Initial_H2O_content: initial H2O content of each compositional layer (wt.%). Initial_CO2_content: initial CO2 content of each compositional layer (wt.%). Input_water: Incoming H2O flux for each compositional layer (kg H2O/Myr/m). Input_carbon: Incoming CO2 flux for each compositional layer (kg CO2/Myr/m). Carbonate abundance and solubility: slab_distribution_aragonite: mineral abundance of aragonite. slab_distribution_calcite: mineral abundance of calcite. slab_distribution_dolomite: mineral abundance of dolomite. slab_distribution_magnesite: mineral abundance of magnesite. slab_solubility_aragonite: solubility of aragonite (ppm). slab_solubility_calcite: solubility of calcite (ppm). slab_solubility_dolomite: solubility of dolomite (ppm). slab_solubility_magnesite: solubility of magnesite (ppm). H2O and CO2 contents: slab_H2O: total H2O content in the rock system after fluid infiltration (wt.%). slab_CO2: residual mineral-bound CO2 content after decarbonation (wt.%). Dehydration and decarbonation fluxes: Fluid_H2O: total released H2O (kg H2O/Myr/m). Fluid_H2O_layer: released H2O from each compositional layer (kg H2O/Myr/m). Fluid_C_dissolution_aragonite: C released by aragonite dissolution (g C/Myr/m). Fluid_C_dissolution_calcite: C released by calcite dissolution (g C/Myr/m). Fluid_C_dissolution_dolomite: C released by dolomite dissolution (g C/Myr/m). Fluid_C_dissolution_magnesite: C released by magnesite dissolution (g C/Myr/m). Fluid_CO2_dissolution: total dissolved CO2 (kg CO2/Myr/m). Fluid_CO2_dissolution_layer: dissolved CO2 from each compositional layer (kg CO2/Myr/m). Fluid_CO2_metamorphism: total metamorphic CO2 (kg CO2/Myr/m). Fluid_CO2_metamorphism_layer: metamorphic CO2 from each compositional layer (kg CO2/Myr/m). Cumulative decarbonation fluxes to 330 km depth: max_carbon_dissolution_flux: cumulative dissolved CO2 flux to 330 km (Tg CO2/Myr/m). max_carbon_dissolution_flux_layer: same, for each compositional layer (Tg CO2/Myr/m). max_carbon_metamorphism_flux: cumulative metamorphic CO2 flux to 330 km (Tg CO2/Myr/m). max_carbon_metamorphism_flux_layer: same, for each compositional layer (Tg CO2/Myr/m).