Thursday, November 12, 2009

Reading and Questions Set #3: pg. 202-204, question #1

1) A shield volcano is built of basaltic magma and it has a wide base and gently sloping sides. They can also be very big. A Cinder Cone is formed of pyroclastic material. They are the smallest types of volcanoes and they form in groups. They are different because a shield volcano can be very large and a cinder cone is very small. They are formed of different material, a cinder cone is formed of pyroclastic material and a shield volcano is formed of basaltic lava spreading slowly down the sides.

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