21. Up to 0.6 GPa, the clathrate has a cubic structure. 22. No definitive answer has been rendered with respect to Martian CO 2 clathrate formation. 23. :Methan Clathrates form under particular conditions, which include " cold enough ". 24. With ice, argon forms a clathrate hydrate. 25. There are valuable fishing grounds around the islets and potentially large reserves of methane clathrate . 26. In addition, powder metallurgical and crystal growth techniques have been used in clathrate synthesis. 27. A related issue is the methane clathrate reservoirs found under sediments on the ocean floors. 28. See Methane # Sudden release from methane clathrates ( and the section below that ). 29. It shows longitudinal ribs or is clathrate . 30. He was one of the first marine scientists to employ marine biomass and clathrate hydrates.