Silt turbidite (landslide) layers on the deep sea floor far off the coast from underwater landslides, likely caused by strong seismic shaking.

It is here where you can find dense groupings of animals that derive their energy from sources other than the sun around volcanic vents on the deep sea floor.

The elemental geochemical anomaly of pore water in Marine sediments during the formation of gas hydrate is a significant indication for Marine gas hydrates in the deep sea floor.