Plutonic rocks crystallize from in the interior of the crust, which
are later exposed. Magma is insulated and slowly, allowing large crystals
to form. Most common plutonic rocks are from the granite family.
Are rocks made up of liquid magma and solid rock fragments that were
ejected explosively from a volcanic vent.
Very fine particles of rock fragments, less than 0.25 mm in diameter.
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Rock particles bigger than the volcanic dust, about the size of rice
grains.
Large rock particles that are few centimeters to several meters in
diameter.
Small volcanic bombs about the size of golf balls hurled out of
a volcano (4-32 mm).
May formed when the top of a volcano collapses.
A volcanic landform produced by repeated eruptions of very fluid,
basaltic lava that spreads over a wide area.
Occurs when water-soaked volcanic ash and rock slide rapidly downhill.
