Abiotic methane discovered under the Arctic Ocean

Watts Up With That?

abiotic-methane Ultra-slow spreading ocean ridges were discovered in the Arctic in 2003 by scientists at Woods Hole Ocenographic Institution. They found that for large regions the sea floor splits apart by pulling up solid rock from deep within the earth. These rocks, known as peridotites (after the gemstone peridot) come from the deep layer of the earth known as the mantle. Credit Dr. Henry J.B. Dick, WHOI / nsf.gov

From CAGE – Center for Arctic Gas Hydrate, Climate and Environment

New source of methane discovered in the Arctic Ocean

Methane, a highly effective greenhouse gas, is usually produced by decomposition of organic material, a complex process involving bacteria and microbes.

But there is another type of methane that can appear under specific circumstances: Abiotic methane is formed by chemical reactions in the oceanic crust beneath the seafloor.

New findings show that deep water gas hydrates, icy substances in the sediments that…

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