Dallol is the Earth's lowest land volcano at ... which pushes up salt, sulphur, potash, and other minerals. As brine evaporates from the surface, salt formations are formed in the craters, which ...

These mainly centred around salt mining, including potash (salt containing potassium, commonly used as a fertiliser), though ...

including potash (salt containing potassium, commonly used as a fertiliser), though this stopped in the 1960s due to its remote location. As of 2020, some buildings still stand in Dallol ...