Gas Hydrates in the Container

(Top) X-ray image of hydrate-bearing pressure core collected ~168 feet below the seafloor in the Indian Ocean during the first National Gas Hydrate Program (NGHP-01).  White features are hydrate, and darker material is the surrounding sediment.  Image courtesy of Geotek, Ltd.  (Bottom) Gas hydrate (ice-like material) and sediment (dark material) in a conventional core recovered from below the sea floor during NGHP-01. Photograph by T. Collett.