Cards in this guide (4)
What forms when lava flows vertically through a layer of rock
When magma does not have enough pressure to break completely through the neck and into a central vent it forms
When magma does not have enough pressure to break completely
through the neck and into a central vent, it forms a Dike.
Approximately how many active geysers are found on earth
The crevice through which the magma bursts is called the .