How do salt volcanos work?

Answer 1

it works like this

your poor some water into a jar

add some oil

wait for it to set

then you poor salt all over the top lair

the wala its done dust like magic

Answer 2

Salt volcanoes form when water-soluble salt deposits are pushed up towards the surface by the pressure of overlying sediments. As the salt rises, it can deform the layers above, causing them to break and creating a dome-like structure. Eventually, these structures can breach the surface, allowing the salt to flow out like lava from a traditional volcano.