water and usually methane, in which a solid water lat- ... The amount of methane sequestered in gas hydrates is probably enormous, but ... In February of 1998, a research project sponsored by ... Scott R. Dallimore, Timothy S. Collett. 201.
http://research.iarc.uaf.edu/NICOP/DVD/ICOP%201998%20Permafrost%207th%20conf/CD-ROM/Proceedings/PDF001189/032141.pdf