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Basalt Weathering of the basalt by CO 2 -rich fluids release Mn(II) to solution

Fe(III) removed, partially as colloidal FeOOH particles, partially incorporated in saponite. Mn(II) + oxygenated seawater = nano- microsized colloidal Mn(IV). Vein. Chromite Cr(III), Fe(II). Mn(IV). Basalt Weathering of the basalt by CO 2 -rich fluids release Mn(II) to solution.

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Basalt Weathering of the basalt by CO 2 -rich fluids release Mn(II) to solution

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  1. Fe(III) removed, partially as colloidal FeOOH particles, partially incorporated in saponite. Mn(II) + oxygenated seawater = nano- microsized colloidal Mn(IV) Vein Chromite Cr(III), Fe(II) Mn(IV) Basalt Weathering of the basalt by CO2-rich fluids release Mn(II) to solution Mn(II) Rhodocrosite Cr(VI) in solution. Removed from the system. Microorganisms 3Mn(IV)+ 2Cr(III)3Mn(II) + 2Cr(VI) Removed from the system Cr(III) Mn(IV) Carbonated seawater Rhodochrosite Chromite surface Microorganisms Partially in saponite, partially removed from the system Mn(II) Mn(IV) + 2Fe(II)Mn(II) + 2Fe(III) Cr(VI) Microorganisms

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