lava
not gysers
Extrusive igneous rock.
most volcanoes are formed from a hot spot in the earths crust.
Mid Atlantic ridge or north atlantic ridge
Eruption
That there are hot spots concisting of gas under the earths surface.
the earths core gets hot by all the heat on the surface and gose to the core of the earth.
You're thinking of magma.
well, it does. haven't you ever heard of hot lava? that's magma rising from the surface.
volcano
It is called a hot spring. As the groundwater heated by the nearby magma rises to the surface, it releases heat and minerals, creating a pool of warm water that is often enjoyed for its therapeutic benefits.
well hot goes up and cold goes down