science igneous rock figures
caldera
Crater Lake in Oregon is an example of which igneous rock feature?
volcanic neck
Devil's Tower in Wyoming is an example of which igneous rock feature?
batholith
The granite domes of Yosemite National Park are examples of which igneous rock feature?
erosion weathering
What exposes igneous features that formed below the surface?
The magma chamber partially empties.
What may cause a caldera to form?
extrusive
What type of igneous rock forms from magma that cools on the surface?
intrusive
What type of igneous rock forms from magma that cools underground?
underground
Where does most igneous rock activity take place?
batholith
Which is the largest intrusive igneous rock feature?
batholith
Which volcanic feature is formed when a mass of magma cools underground before reaching the surface? (The magma forms no specific shape.)
volcanic neck
Which volcanic feature is formed when magma on the outside of a volcano erodes away, leaving a solid magma core?
sill
Which volcanic feature is formed when magma squeezes into a crack parallel to rock layers (horizontal) and hardens?
dike
Which volcanic feature is formed when magma squeezes into a crack that cuts across rock layers (vertical) and hardens?
caldera
Which volcanic feature is formed when the top of a volcano collapsed into a vent?
