In some circumstances, the carbon seems to have originated contained in the mantle of the Earth, so carbon that was already inside the Earth. In several instances, there’s proof very curiously to suggest that the carbon could have originated near the floor of the Earth. The pondering there may be that this carbon could have truly been carbon that was part of carbonate sediments or animals, crops, shells, no matter, that was carried down into the higher mantle of the Earth by the plate tectonics mechanism known as subduction.
We proudly present a gaggle from a few of within the …