4 ms·Do rock minerals capture more oxigen than carbon?by ffhhj 4y agoDo rock minerals capture more oxigen than carbon?ncmncm 4y agoThey are mostly already oxidized.eru 4y agoAnd it wouldn't matter too much (within reason): we have vastly more O2 in the atmosphere than CO2 we want to get rid of.ncmncm 4y agoThe CO2 is at <0.05% concentration. O2 is at >21%.