Geology creates chemical energy: Origin of a massive methane reservoir discovered

Cosmos Magazine

Scientists know methane is released from deep-sea vents, but its source has long been a mystery. A team from Woods Hole Oceanographic Institution may have the answer. Analysis of 160 rock samples from across the world’s oceans provides evidence, they say, of the formation and abundance of abiotic methane – methane formed by chemical reactions that don’t involve organic matter.