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Sediments in northern Gulf of Mexico not right for methane gas hydrate formation

Marine sediments in the northern Gulf of Mexico are likely too warm and salty to hold the amount of methane gas hydrates - a potential energy resource - originally thought to exist in the ocean floor there.Researchers reported high-resolution geophysical and geochemical data for two representative sites off the coast of New Orleans, La., that suggest previous estimates for the region should be revised sharply downward, according to their paper published in the March 15 issue of the journal Geophysical Research Letters (GRL).