The National Methane Hydrates R&D Program
All About Hydrates
This 3 dimensional graphic shows the types of methane hydrate deposits
including the Arctic Deposit and Deep Ocean Deposit. There are several arrows
pointing to different areas on the graphic. On the front area of the graphic
there are three arrows pointing upward which describe slow seepage of methane
gas from below. Then there is a red area which represents trapped methane gas
under pressure and above that a grey area representing impermeable solid methane
hydrate embedded in mud. On the right side of the graphic, there are two text
boxes. One says, Hydrate stability zone regions indicate vertical extents of
from 1000 - 2000 feet and can cover large horizontal areas. The other box points
to round grey masses and reads, Solid methane hydrate ice forms in bands and
lenses close to bitterly cold surface. At the top of the graphic, which is the
Artic deposit, there is a graphic of a drilling rig on frozen surface ground.
Back to Geology of Methane Hydrates
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