Kurile Lake is formed by two basins, which are separated by a subaqueous ridge. These characteristics may be important in determining the style of subaqueous eruption and emplacement mechanism. Several states throughout the U.S. have begun the process of mapping and inventorying subaqueous soils. Geologists would say that the cross-stratification showed festoon geometry from transport in subaqueous ripples. Interpretations for subaqueous soils are currently being developed for a variety of uses. These subaqueous dams were unpredictable and generally undetectable. The study of subaqueous soils is a relatively new field in Pedology or soil science. Larger adults, meanwhile, probably swam with the subaqueous flight type. Subaqueous storage of tailings has also been used. Pillow lavas are used generally to confirm subaqueous volcanism in metamorphic belts. Characteristics can be sorted to infer subaqueous eruption or emplacement of silicic pyroclastic deposits. A subaqueous volcano is a volcano formed beneath freshwater and never builds above lake level. At least one explosive subaqueous volcano formed during the Pleistocene epoch.