How sulfide chimneys form | AMNH https://www.amnh.org/exhibitions/permanent/planet-earth/why-is-the-earth-habitable/life-that-lives-off-the-earths-energy/deep-sea-hot-springs/how-sulfide-chimneys-form
Tiny particles of metal sulfide and oxide minerals, resembling black “smoke,” billow from the hot-water vents.
Earth cycles Global cycles of life-giving elements