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Volcanoes & Mountains
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50)Only under special conditions (at hot spots and along plate boundaries) does the crust melt to make magma, which may then rise to the surface to make a volcanic eruption.
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51)The three places volcanoes form are
Subduction zones at convergent boundaries Divergent boundaries Hot spots
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52)Types of volcanoes Stratovolcano Shield Cinder Cone Caldera
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Mrs. Harvey at Nicaragua Volcano
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53)A hot spot is where heat from a plume (heated rising rocks in asthenosphere) melts some of the rock in the tectonic plate above.
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54)Hot spots can form volcanoes.
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55)What state was formed from a hot spot?
Hawaii
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56)Two types of mountains.
Folded Mountains
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56)Two types of mountains.
Fault-Block Mountains
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57)Draw and describe Folded Mountains.
Rock under extreme pressure for long periods of time will fold like clay. Folding bends many layers of rocks without breaking them.
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58)Draw and describe Fault Block Mountains.
Mountains with sharp, jagged peaks are produced when rock layers break apart at convergent boundaries and are tilted upward.
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