Codex > Errant Marches > Biological and Geological > Geology and Anomalies > Fumarole
Fumaroles are gaps in a planet's crust through which gases and steam are emitted. The ejected material often accumulates around the opening
Sulphur Dioxide Fumarole
Reported
A surface opening that emits high-pressure gas and minerals, found on terrestrial planets with sulphur dioxide magma.
Water Fumarole
Reported
A surface opening that emits high-pressure gas and minerals, found on terrestrial planets with water geysers.
Silicate Vapour Fumarole
Reported
A surface opening that emits high-pressure gas and minerals, found on terrestrial planets with silicate vapour geysers.
Carbon Dioxide Fumarole
Reported
