@article{fdi:010077500, title = {{D}eep {E}arth carbon reactions through time and space}, author = {{M}c{C}ammon, {C}. and {B}ureau, {H}. and {C}leaves, {H}. {J}. and {C}ottrell, {E}. and {D}orfman, {S}. {M}. and {K}ellogg, {L}. {H}. and {L}i, {J}. and {M}ikhail, {S}. and {M}oussallam, {Y}ves and {S}anloup, {C}. and {T}homson, {A}. {R}. and {B}rovarone, {A}. {V}.}, editor = {}, language = {{ENG}}, abstract = {{R}eactions involving carbon in the deep {E}arth have limited manifestations on {E}arth's surface, yet they have played a critical role in the evolution of our planet. {T}he metal-silicate partitioning reaction promoted carbon capture during {E}arth's accretion and may have sequestered substantial carbon in {E}arth's core. {T}he freezing reaction involving iron-carbon liquid could have contributed to the growth of {E}arth's inner core and the geodynamo. {T}he redox melting/freezing reaction largely controls the movement of carbon in the modern mantle, and reactions between carbonates and silicates in the deep mantle also promote carbon mobility. {T}he 10-year activity of the {D}eep {C}arbon {O}bservatory has made important contributions to our knowledge of how these reactions are involved in the cycling of carbon throughout our planet, both past and present, and has helped to identify gaps in our understanding that motivate and give direction to future studies.}, keywords = {{I}nner core ; geodynamo ; subduction ; diamond ; carbonate ; carbon-rich ; fluids and melts ; oxygen fugacity ; metal-silicate partitioning ; redox ; freezing and melting ; {E}arth in {F}ive {R}eactions: {A} {D}eep {C}arbon {P}erspective}, booktitle = {}, journal = {{A}merican {M}ineralogist}, volume = {105}, numero = {1}, pages = {22--27}, ISSN = {0003-004{X}}, year = {2020}, DOI = {10.2138/am-2020-6888{CCBY}}, URL = {https://www.documentation.ird.fr/hor/fdi:010077500}, }