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Methane clathrate (CH 4 ·5.75H 2 O) or (4CH 4 ·23H 2 O), also called methane hydrate, hydromethane, methane ice, fire ice, natural gas hydrate, or gas hydrate, is a solid clathrate compound (more specifically, a clathrate hydrate) in which a large amount of methane is trapped within a crystal structure of water, forming a solid similar to ice.
Potentially large deposits of methane clathrate have been found under sediments on the ocean floors of the Earth, although the estimates of total resource size given by various experts differ by many orders of magnitude, leaving doubt as to the size of methane clathrate deposits (particularly in the viability of extracting them as a fuel resource).
Clathrates have been found to occur naturally in large quantities. Around 6.4 trillion (6.4 × 10 12) tonnes of methane is trapped in deposits of methane clathrate on the deep ocean floor. [8] Such deposits can be found on the Norwegian continental shelf in the northern headwall flank of the Storegga Slide.
A new study suggests that the planet’s icy interior and liquid ocean could be insulated with a three-to-six-mile-thick layer of methane clathrate, which is solid water ice with methane gas ...
The largest reservoir of methane is under the seafloor in the form of methane clathrates. When methane reaches the surface and the atmosphere, it is known as atmospheric methane. [10] The Earth's atmospheric methane concentration has increased by about 160% since 1750, with the overwhelming percentage caused by human activity. [11]
Methane clathrates feature the hydrogen-bonded framework contributed by water and the guest molecules of methane. Large amounts of methane naturally frozen in this form exist both in permafrost formations and under the ocean sea-bed. [8] Other hydrogen-bonded networks are derived from hydroquinone, urea, and thiourea.
I Found It On Google Earth. 21°48'18"S 49°5'23"W. Image credits: Priti Ray #26 Go To Your Google Earth And Type Kent St. 44305 In Search And Click Street View You’ll See This Guy, Doing ...
Methane hydrate dissolution has been invoked as a highly plausible causal mechanism for the carbon isotope excursion and warming observed at the PETM. [195] The most obvious feedback mechanism that could amplify the initial perturbation is that of methane clathrates. Under certain temperature and pressure conditions, methane – which is being ...