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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 |