click below
click below
Normal Size Small Size show me how
aa
slow moving cool lava
Question | Answer |
---|---|
what is aa | slow moving cool lava |
what is lava | liquid magma that reaches the surface |
what is mantle | the layer of hot solid material between the crust and the core |
what is magma chamber | the pocket beneath a volcano where magma collects |
geology | the study of planet earth |
what is inner core | a dense sphere that is made of iron and nickel |
what is normal fault | it is when the hanging wall slips down |
what is a hot spring | a pool formed by groundwater that has risen to the surface after heated by magma |
what is lava flow | the area covered by lava as it pours out of a volcano |
mid-ocean ridge | the undersea mountain chain where the new ocean floor is produced |
what is a geyser | a fountain of water and steam |
footwall | the block of rock that forms the lower half of a fault |
what is reverse fault | a type of fault where the hanging wall sides up |
subduction | the process by which oceanic crust sinks beneath the deep ocean trench |
what is a volcano | a weak spot in the earths crust |
what is a caldrea | the large whole at the top of the volcano |
batholith | a mass of rock formed when the magma cools inside the earths crust |