submarine hydrothermal systems / energy-yielding reactions / oil stratifications / energy sources / important gaseous energy source / hydrothermal systems / Shallow submarine hydrothermal systems / gain energy / metal leaching / chemical composition / end products / energy / /
NaturalFeature
Mount Melbourne / Mount Erebus / Active volcanoes / Kerlingarfjöll mountains / Solfatara Crater / Geysirnaja Valley / /