If you put a bomb in it.
Igneous Rock.
Explosive eruptions will produce pyroclastic rocks such as scoria, pumice, and tuff.
Explosive and non-explosive eruptions form different types of rock. Explosive eruptions tend to have fragmented rocks composed of cinders, ash, and pumice. Non-explosive eruptions usually produce lava flows, which tend to cool as solid sheets or channels of rock.
rocks and hot moving plates
In areas of past or present explosive felsic volcanism
dark brown rocks
dark rocks
Red brown rocks
use gun powder or plasic explosive in the middle
Buzz Cola
dark brown rocks
Dark brown rocks